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Freelance

Mission freelanceConsultant Expert CrowdStrike / Trellix – Endpoint Security - Ile-de-France (92) - Vorstone

VORSTONE
Publiée le
Antivirus
CrowdStrike
CyberSoc

6 mois
600-700 €
Hauts-de-Seine, France
Vorstone recherche un Consultant Expert CrowdStrike / Trellix – Endpoint Security pour un client basé en IDF (92) Contexte Au sein de la Direction Group Digital & IT de notre client, vous intégrerez l'équipe CyberSOC Protect, en charge de la protection des infrastructures et des postes de travail du Groupe. Le CyberSOC a pour mission de renforcer en continu la posture de cybersécurité du Groupe en assurant la protection, la détection et la réponse aux incidents de sécurité, grâce à des équipes internationales, des technologies avancées et des processus conformes aux standards internationaux. Le pôle Protect est l'un des quatre domaines d'activité du CyberSOC. Il est responsable de la mise en œuvre et de l'exploitation des solutions de protection permettant de prévenir ou de limiter l'impact des incidents de cybersécurité. Mission En tant qu'Expert Endpoint Security / Service Delivery CrowdStrike / Trellix, vous serez responsable du maintien en conditions opérationnelles et du déploiement des services de sécurité Endpoint à l'échelle du Groupe. Vous évoluerez au sein d'une équipe internationale répartie (France et l'Inde) À ce titre, vos principales responsabilités seront les suivantes : Assurer le maintien en conditions opérationnelles des solutions EDR et Antivirus utilisées par les équipes IT du Groupe. Garantir, en collaboration avec les équipes Métiers et les Responsables Sécurité, la conformité des solutions Endpoint Security avec les exigences internes. Définir, avec les équipes concernées, les nouveaux cas d'usage à mettre en œuvre. Piloter et suivre les projets de déploiement des solutions de sécurité avec les différentes parties prenantes. Garantir la disponibilité, les performances et la qualité de service des outils. Définir, formaliser et publier les processus, procédures et documentations liés aux solutions administrées. Participer à l'amélioration continue des services de cybersécurité. En tant qu'Expert Endpoint Security / Service Delivery, vous interviendrez principalement sur les solutions de sécurité suivantes : CrowdStrike (EDR – Endpoint Detection & Response) Trellix (solution Antivirus) Vous serez amené à collaborer avec les équipes en charge des autres services du CyberSOC, notamment autour des solutions WAF, PKI, Bastion et des outils de Vulnerability Management.
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CDI

Offre d'emploiNetwork Security Engineer

Rise Technical Recruitment Ltd
Publiée le

£40k-50k
Reigate and Banstead, Royaume-Uni
Network Security Engineer (Eligible for SC Clearance) Competitive Salary + Annual Bonus + Private Healthcare + Pension + Progression + Gym Membership + Full Training London Are you an experienced Network Security Engineer looking to take ownership of network security across complex global systems while working with cutting-edge satellite and communications technology? This is a fantastic opportunity to join a well-established and growing engineering organisation, where you will play a key role in developing and implementing security strategies across both internal and customer environments. You will work closely with compliance and engineering teams to embed robust security practices into daily operations and ensure systems are protected against evolving threats. In this role, you will be responsible for designing, implementing, and maintaining security solutions while actively monitoring threats and responding to incidents. You will utilise tools such as SIEM, IDS/IPS, and vulnerability management platforms to maintain the integrity of networks, as well as carry out investigations into security events and recommend improvements. The ideal candidate will have strong hands-on experience across multi-vendor network environments, with a deep understanding of cybersecurity frameworks and compliance standards such as ISO27001. This position offers a varied and technically engaging workload alongside opportunities to mentor colleagues and contribute to ongoing security improvements. The Role: Design, implement and maintain network security solutions across internal and customer systems Monitor security tools (SIEM, IDS/IPS) and respond to incidents and vulnerabilities Provide third-line support and act as a key escalation point for security issues Develop and maintain security policies, procedures, and documentation Collaborate with internal teams to improve security across infrastructure The Person: Strong experience with Cisco and Juniper networking technologies Proven background in cybersecurity tools including SIEM, IDS/IPS and penetration testing Knowledge of ISO27001, GDPR and security frameworks Ability to troubleshoot and resolve complex security issues independently Reference Number:BBBH276007 Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client. We are an equal opportunities company and welcome applications from all suitable candidates.
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CDI

Offre d'emploiSenior IT Infrastructure Officer

Nexus Jobs Limited
Publiée le

£70k-75k
Grand Londres, Royaume-Uni
Senior IT Infrastructure Officer Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (e.g., Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. 3. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (e.g., Syncovery, other SFTP). 4. Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (e.g., Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (e.g., Paxton) Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SAAS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/ XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (e.g., Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Education Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initally will be be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be circa £70K - £75K. Do send your CV to us in Word format along with your salary and availability.
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CDD

Offre d'emploiSenior IT Infrastructure & Systems Lead

Nexus Jobs Limited
Publiée le

£70k-75k
Grand Londres, Royaume-Uni
Senior IT Infrastructure & Systems Lead Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (e.g., Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (e.g., Syncovery, other SFTP). Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (e.g., Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (e.g., Paxton) Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SAAS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/ XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (e.g., Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Education Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initially will be be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be circa £70K - £75K. Do send your CV to us in Word format along with your salary and availability.
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CDI

Offre d'emploiSenior IT Infrastructure & Systems Lead

Nexus Jobs Limited
Publiée le
Administration Windows
Center for Internet Security (CIS)
LAN

£70k-75k
Cité de Westminster, Royaume-Uni
Senior IT Infrastructure & Systems Lead Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period This role is totally hands-on. Role Description The Senior IT Infrastructure & Systems Lead is a full-time hybrid role based in London, with flexibility for some work-from-home arrangements. This role is responsible for overseeing the day-to-day operation, maintenance, and improvement of the company's IT infrastructure, including networks, servers, and core systems. The person in this role will lead and mentor technical staff, manage system performance and availability, and coordinate responses to incidents and service requests. Typical tasks include monitoring network and system health, implementing security measures, resolving technical complex issues, planning upgrades, and collaborating with stakeholders to align technology solutions with business needs. The role also involves vendor management, documentation of infrastructure and procedures, and contributing to IT strategy and roadmap decisions. Qualifications · Candidates should possess strong skills in Network Administration and Information Technology for managing and optimizing infrastructure and systems. · Candidates should possess solid Technical Support and Troubleshooting skills to diagnose, resolve, and prevent complex IT issues. · Candidates should possess expertise in Network Security to implement, monitor, and improve security controls and practices. · Extensive experience in leading IT infrastructure projects, including planning, implementation, and migration activities. · Proven ability to manage and mentor IT teams, with strong communication and stakeholder management skills. · Experience with server and cloud technologies, virtualization, backup and recovery, and IT monitoring tools. · Relevant professional certifications (eg, CompTIA Network+, CCNA, MCSE, or similar) are beneficial. · Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent practical experience. Infrastructure & Systems Management · Administer, maintain, and optimize Windows and Linux server environments. · Manage VMware virtualized infrastructure (vSphere 8 and above). · Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. · Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. · Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). · Support endpoint DLP, SIEM, and security monitoring tools (eg, Splunk, Tenable). · Manage patching processes using ManageEngine Patch Manager Plus. · Support Microsoft 365 services and related cloud technologies. · In depth understanding of Cyber ​​security · Monitor system performance, capacity, availability, and infrastructure health. · Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support · Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. · Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. · Manage OS deployment, imaging, image creation, maintenance, and software packaging. · Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. · Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. · Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support · Support and administer business-critical applications, including: · Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP · Support enterprise file synchronization and replication solutions (eg, Syncovery, other SFTP). Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management · Support vulnerability management using tools such as Tenable. · Manage security monitoring and log analysis tools (eg, Splunk). · Perform SSL/TLS certificate lifecycle management using OpenSSL. · Create and manage CSRs, certificate chains, and private keys. · Ensure adherence to cybersecurity policies, standards, and regulatory requirements. · Support physical access control systems (eg, Paxton) Operating Systems · Windows 11 · Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization · VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 · ManageEngine Patch Manager Plus SaaS solutions SQL Server Security · Symantec Endpoint Protection (SEP) · Symantec Endpoint Encryption (SEE) SentinelOne – EDR/XDR Endpoint DLP solutions Firewall administration · Vulnerability management tools (eg, Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers · FortiGate Firewalls · LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers · Dell PowerVault SAN Storage Education Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initially will be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be around £70K - £75K. Do send your CV to us in Word format along with your salary and availability.
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CDI

Offre d'emploiIT Infrastructure Operations and Security Lead

Nexus Jobs Limited
Publiée le

£85k-100k
Grand Londres, Royaume-Uni
IT Infrastructure Operations and Security Lead This role requires excellent management of a small team in IT along with managing stakeholders and vendors. You must be hands-on technically in IT Infrastructure. The IT Operational Platform and Security Lead is responsible for overseeing the organisation's IT operations, ensuring the stability, continuity, security, and efficiency of its technology platforms within a global commercial insurance environment. While Microsoft technologies (Microsoft 365, Azure, Exchange Online) form a core part of the infrastructure, the role also encompasses broader enterprise IT systems, multi layered networking, security, data management, and third-party platforms that support global business operations and the associated applications estate. Security, Compliance & Risk Management Define and enforce cloud security policies, identity management, and access controls to protect systems, networks, and data. Oversee the adoption of zero-trust security principles to enhance protection across cloud platforms. Manage identity and access management (IAM) in a cloud-first environment, including Azure AD, MFA, Conditional Access, SSO, and Privileged Access Management (PAM). Lead threat monitoring, detection, and response using cloud-native security solutions such as Microsoft Defender, Sentinel, and SIEM platforms. Ensure compliance with cloud security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience Microsoft Azure Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, Microsoft AD (Entra), Server and SQL experience, O365 administration and design Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills Microsoft 365 & Azure: Strong experience managing Microsoft 365 (Exchange, SharePoint, Teams), Azure cloud infrastructure, and security tools such as Microsoft Defender and Sentinel. Security & Compliance: Deep knowledge of security frameworks (ISO 27001, NIST, CIS), compliance requirements (GDPR, SOC2), and risk management best practices. Identity & Access Management (IAM): Expertise in Azure AD, MFA, Conditional Access, Single Sign-On (SSO), and Privileged Access Management (PAM). Threat Management & Incident Response: Ability to detect, respond to, and mitigate cyber threats using SIEM, endpoint security, and vulnerability management tools. Networking & Infrastructure Security: Understanding of firewalls, VPNs, SD-WAN, DNS security, endpoint protection, and cloud security controls. IT Service Management & Automation: Experience implementing ITIL-based service management, automating operational tasks, and optimising service delivery. Operational & Leadership Skills: IT Operations & Service Continuity: Ability to ensure IT systems are highly available, resilient, and fit for purpose, with a strong focus on business continuity and disaster recovery. Supplier & Vendor Management: Experience managing third-party IT vendors, MSPs, and SaaS providers, ensuring service levels, performance, and cost-effectiveness. Project Leadership & Change Management: Ability to lead technology projects, system upgrades, and platform migrations, ensuring smooth execution and minimal business disruption. Process Improvement & Automation: Strong analytical mindset to identify inefficiencies, automate workflows, and enhance security controls. Soft Skills & Mindset: Problem-Solving & Decision-Making: Capable of making informed decisions and resolving complex IT issues in a fast-paced environment. Stakeholder Engagement: Ability to communicate effectively with technical and non-technical stakeholders, including senior leadership and business users. Resilience & Adaptability: Comfortable working in an evolving technology landscape, with a proactive and security-first approach. Summary of Skills Required: The following is a summary of the key skills that the Client would like you to bring to the company. Global Enterprise level Infrastructure Management position for the last 5 years, Buy before Build mentality and demonstrable migration of Legacy VM based estates to SaaS and Azure Cloud services platforms, Global Operational team management experience (human resources, strategic delivery, operational service, audit lead for Infra, budget..) Key 3 party operational infrastructure vendor management - i.e. management of managed service partners as a team extension globally, as well as service/solution delivery partners, Migration of Legacy VM based estates to SaaS and Cloud services platforms, Legacy Infra tech to Azure knowledge/experience, Prior to the last 5 years in Enterprise Management of a global estate/user-base, a demonstrable technical infrastructure engineering level background, working on Windows Server, AD , SQL environments, Firewalls/SDWAN, and Networks (WAN &/or LAN). The Client is based in the City of London. This is a hybrid position with 3 days in the office. The salary for this role will be in the range £85K - £95K plus Benefits. Do send your CV to us in Word format along with your salary and notice period.
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CDI

Offre d'emploiInformation Security Manager with Network Engineering Skills

Nexus Jobs Limited
Publiée le

£85k-100k
Grand Londres, Royaume-Uni
Information Security Manager with Network Engineering Skills Our Client is bank based in Central London who are looking to recruit a seasoned professional with at least 7 to 10 years expertise level Information Security coupled with Hands-on Network Engineering. The role is mainly Information Security – Data Security and split circa 80% with 20% Network Engineering – so you do need to be hands-on technically. You will ideally have circa 5+ years of work experience with Network Engineering coupled with over 10 years experience with Cisco Systems Products Role Description The Information Security Manager with Network Engineering Skills is a full-time hybrid role based in London, with the flexibility to work from home part of the week. The role oversees the design, implementation, and continuous improvement of information security policies, procedures, and controls across networks and systems. Day-to-day responsibilities include managing the Information Security Management System (ISMS), monitoring cybersecurity and network security events, coordinating incident response, and ensuring compliance with relevant standards and regulations. The person in this role will collaborate with IT and business stakeholders to assess risks, implement technical and procedural safeguards, and support secure network architecture and configuration. Additional tasks include producing security documentation, leading security awareness initiatives, and providing guidance on secure network engineering practices. Qualifications Strong skills in Information Security Management and Information Security, with experience defining and enforcing security policies and governance. Hands-on expertise with Information Security Management Systems (ISMS), including implementation, maintenance, and audit readiness. Proficiency in Cybersecurity and Network Security, covering threat detection, vulnerability management, network hardening, and incident response. Demonstrated network engineering experience (e.g., routing, switching, firewalls, VPNs, secure network design). Relevant certifications such as CISSP, CISM, CISA, CompTIA Security+, or similar are beneficial. Experience with regulatory and compliance frameworks (e.g., ISO 27001, GDPR, NIST) and security best practices. Ability to analyze complex technical environments, communicate clearly with both technical and non-technical stakeholders, and document security requirements and processes. Bachelor's degree in computer science, information security, engineering, or a related field, or equivalent professional experience. Key Networking Skills Required: Cisco Network Switches Layer 2 and 3 (Catalyst 9K) – CCNP Level, Expert Level Preferred Routing protocol – OSPF (Catalyst 9K) – CCNP Level, Expert Level Preferred Cisco Switch Stacking (Cat 9K Switches 9600, 9300. 9200) Virtual Routing and Forwarding – (Catalyst 9600) Internetworking Troubleshooting - CCNP Level, Expert Level Preferred High Availability and Disaster Recovery - CCNP Level, Expert Level Preferred Security/Cyber Security Skills Required: Cisco Firepower Firewalls (ASA, FTD) - CCNP Level, Expert Level Preferred Palo Alto Firewalls – Specialist Level, Architect Level Preferred Cisco Layer 2 Port Security Network Access Control including Cisco ISE, TACACS etc Network Detection and Response Network Encryption (Site to Site VPN's) Cisco Secure Client (ASA) Network IPS (Trellix) Network Zero Day (Trellix NX or similar) Host Zero Day (Trellix HX or similar) Cyber Security Network Control Incident Investigation with the assistance of group cyber security experts – Tier 1, Tier 2 to 3 preferred, using LogRhythm SIEM a bonus Host End Point Protection (Symantec) Host IPS Preferred Skills and Knowledge Vulnerability Management (Scanning for Vulnerabilities and classifying the risk, CIS Benchmark Scanning and compliance) – Using Rapid7 a bonus Knowledge of Penetration Testing, understanding of the types of testing and their advantages and disadvantages Security Zone Design and considerations Network and Security Architecture Design and Considerations Understanding of Information Security (Confidentiality, Integrity, Availability), MITRE ATT&CK, NIST, ISO 27001, SIEM use cases for key controls etc Risk Management in Cyber Security, SSL Blind spots, what causes them and how to mitigate Malware/Ransomware and how to mitigate along with Penetration testing concepts Understanding of White/Black/Grey Box penetration testing. Developing Security policies and procedures and conducting audits/risk assessments Handling crisis situations during security incidents The role is hybrid 3 days in the office in Central London. The salary for this role will be in the range £85K - £100K + Benefits. Do send your CV to us in Word format along with your salary and notice period.
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CDI

Offre d'emploiIT Operations Platforms and Security Lead

Nexus Jobs Limited
Publiée le

£85k-100k
Grand Londres, Royaume-Uni
IT Operations Platforms and Security Lead This role requires excellent management of a small team in IT along with managing stakeholders and vendors. You must be hands-on technically in IT Infrastructure. The IT Operational Platform and Security Lead is responsible for overseeing the organisation's IT operations, ensuring the stability, continuity, security, and efficiency of its technology platforms within a global commercial insurance environment. While Microsoft technologies (Microsoft 365, Azure, Exchange Online) form a core part of the infrastructure, the role also encompasses broader enterprise IT systems, multi layered networking, security, data management, and third-party platforms that support global business operations and the associated applications estate. The role requires a proactive leader who can drive IT operational excellence, manage security risks, focus on continual service improvement, drive transformational delivery projects, and work effectively with internal stakeholders and third-party vendors to deliver a high-quality Global IT services. Working in line with the Architecture defined IT principle of a "buy before build" environment, the individual will need to ensure that outsourced and cloud-based services are robust, cost-effective, and aligned with business needs and the Strategic IT vision. They will also play a key role in enhancing cybersecurity, protecting data and systems, driving transformative operational change, enhancing IT processes and ensuring compliance with governance bodies and industry regulations. Due to the nature of the role, complexity Security, Compliance & Risk Management Define and enforce cloud security policies, identity management, and access controls to protect systems, networks, and data. Oversee the adoption of zero-trust security principles to enhance protection across cloud platforms. Manage identity and access management (IAM) in a cloud-first environment, including Azure AD, MFA, Conditional Access, SSO, and Privileged Access Management (PAM). Lead threat monitoring, detection, and response using cloud-native security solutions such as Microsoft Defender, Sentinel, and SIEM platforms. Ensure compliance with cloud security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience Microsoft Azure Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, Microsoft AD (Entra), Server and SQL experience, O365 administration and design Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills Microsoft 365 & Azure: Strong experience managing Microsoft 365 (Exchange, SharePoint, Teams), Azure cloud infrastructure, and security tools such as Microsoft Defender and Sentinel. Security & Compliance: Deep knowledge of security frameworks (ISO 27001, NIST, CIS), compliance requirements (GDPR, SOC2), and risk management best practices. Identity & Access Management (IAM): Expertise in Azure AD, MFA, Conditional Access, Single Sign-On (SSO), and Privileged Access Management (PAM). Threat Management & Incident Response: Ability to detect, respond to, and mitigate cyber threats using SIEM, endpoint security, and vulnerability management tools. Networking & Infrastructure Security: Understanding of firewalls, VPNs, SD-WAN, DNS security, endpoint protection, and cloud security controls. IT Service Management & Automation: Experience implementing ITIL-based service management, automating operational tasks, and optimising service delivery. Operational & Leadership Skills: IT Operations & Service Continuity: Ability to ensure IT systems are highly available, resilient, and fit for purpose, with a strong focus on business continuity and disaster recovery. Supplier & Vendor Management: Experience managing third-party IT vendors, MSPs, and SaaS providers, ensuring service levels, performance, and cost-effectiveness. Project Leadership & Change Management: Ability to lead technology projects, system upgrades, and platform migrations, ensuring smooth execution and minimal business disruption. Process Improvement & Automation: Strong analytical mindset to identify inefficiencies, automate workflows, and enhance security controls. Soft Skills & Mindset: Problem-Solving & Decision-Making: Capable of making informed decisions and resolving complex IT issues in a fast-paced environment. Stakeholder Engagement: Ability to communicate effectively with technical and non-technical stakeholders, including senior leadership and business users. Resilience & Adaptability: Comfortable working in an evolving technology landscape, with a proactive and security-first approach. Summary of Skills Required: Global Enterprise level Infrastructure Management position for the last 5 years, Global team management (human resources, strategic delivery, operational service, audit lead for Infra, budget..) Key - 3 party operational infrastructure vendor management - i.e management of managed service partners, Migration of Legacy VM based estates to SaaS and Cloud services platforms, Legacy tech to Azure knowledge/experience, Prior to the last 5 years, a technical infrastructure engineering level background, working on Windows Server, AD , SQL environments, Firewalls/SDWAN, and Networks (WAN &/or LAN). The Client is based in the City of London. This is a hybrid position with 3 days in the office. The salary for this role will be in the range £85K - £100K plus Benefits. Do send your CV to us in Word format along with your salary and notice period.
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CDI

Offre d'emploiIT Operations and Security Lead

Nexus Jobs Limited
Publiée le

£85k-95k
Grand Londres, Royaume-Uni
IT Operations Platforms and Security Lead In summary the Client is looking to recruit an all-round individual with expert knowledge and hands-on experience of IT Infrastructure coupled with Security, Compliance & Risk Management You must have upwards of 10 years hands-on expertise in IT Infrastructure combined with Security and Risk – ideally from within the banking or insurance sector. The IT Operational Platform and Security Lead is responsible for overseeing the organisation's IT operations, ensuring the stability, continuity, security, and efficiency of its technology platforms within a global commercial insurance environment. While Microsoft technologies (Microsoft 365, Azure, Exchange Online) form a core part of the infrastructure, the role also encompasses broader enterprise IT systems, multi layered networking, security, data management, and third-party platforms that support global business operations and the associated applications estate. The role requires a proactive leader who can drive IT operational excellence, manage security risks, focus on continual service improvement, drive transformational delivery projects, and work effectively with internal stakeholders and third-party vendors to deliver a high-quality Global IT services. Working in line with the Architecture defined IT principle of a "buy before build" environment, the individual will need to ensure that outsourced and cloud-based services are robust, cost-effective, and aligned with business needs and the Strategic IT vision. They will also play a key role in enhancing cybersecurity, protecting data and systems, driving transformative operational change, enhancing IT processes and ensuring compliance with governance bodies and industry regulations. Due to the nature of the role, complexity of the estate, current transformation activities and team size, the role requires the functional capability and proficiency to technically augment the team capabilities (when required) and have a detailed knowledge of technical IT support roles/services as a requirement, across multiple technical areas. Security, Compliance & Risk Management Define and enforce cloud security policies, identity management, and access controls to protect systems, networks, and data. Oversee the adoption of zero-trust security principles to enhance protection across cloud platforms. Manage identity and access management (IAM) in a cloud-first environment, including Azure AD, MFA, Conditional Access, SSO, and Privileged Access Management (PAM). Lead threat monitoring, detection, and response using cloud-native security solutions such as Microsoft Defender, Sentinel, and SIEM platforms. Ensure compliance with cloud security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience Microsoft Azure Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, Microsoft AD (Entra), Server and SQL experience, O365 administration and design Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills Microsoft 365 & Azure: Strong experience managing Microsoft 365 (Exchange, SharePoint, Teams), Azure cloud infrastructure, and security tools such as Microsoft Defender and Sentinel. Security & Compliance: Deep knowledge of security frameworks (ISO 27001, NIST, CIS), compliance requirements (GDPR, SOC2), and risk management best practices. Identity & Access Management (IAM): Expertise in Azure AD, MFA, Conditional Access, Single Sign-On (SSO), and Privileged Access Management (PAM). Threat Management & Incident Response: Ability to detect, respond to, and mitigate cyber threats using SIEM, endpoint security, and vulnerability management tools. Networking & Infrastructure Security: Understanding of firewalls, VPNs, SD-WAN, DNS security, endpoint protection, and cloud security controls. IT Service Management & Automation: Experience implementing ITIL-based service management, automating operational tasks, and optimising service delivery. Operational & Leadership Skills: IT Operations & Service Continuity: Ability to ensure IT systems are highly available, resilient, and fit for purpose, with a strong focus on business continuity and disaster recovery. Supplier & Vendor Management: Experience managing third-party IT vendors, MSPs, and SaaS providers, ensuring service levels, performance, and cost-effectiveness. Project Leadership & Change Management: Ability to lead technology projects, system upgrades, and platform migrations, ensuring smooth execution and minimal business disruption. Process Improvement & Automation: Strong analytical mindset to identify inefficiencies, automate workflows, and enhance security controls. Skills & Mindset: Problem-Solving & Decision-Making: Capable of making informed decisions and resolving complex IT issues in a fast-paced environment. Stakeholder Engagement: Ability to communicate effectively with technical and non-technical stakeholders, including senior leadership and business users. Resilience & Adaptability: Comfortable working in an evolving technology landscape, with a proactive and security-first approach. The Client is a financial organisation based in the City of London. This is a hybrid position with 3 days in the office. Must have a Bachelor's degree in IT or similar. The salary for this role will be in the range £85K - £95K plus Benefits. Do send your CV to us in Word format along with your salary and notice period.
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CDI

Offre d'emploiIT Infrastructure & Systems Manager

Nexus Jobs Limited
Publiée le

£60k-65k
Grand Londres, Royaume-Uni
IT Infrastructure & Systems Manager We are seeking an experienced and highly motivated Senior IT Infrastructure Manager with at least 7 to 10 years experience to oversee, manage, and continuously improve the organization's IT infrastructure, enterprise systems, network environment, and end-user computing services. The successful candidate will ensure the availability, security, performance, and resilience of critical business systems while leading technical teams and supporting key stakeholders across the organization. This role requires a strong blend of technical expertise, leadership capability, operational excellence, and stakeholder management skills, within a complex enterprise environment that includes financial, trading, and treasury systems. Role Description The IT Infrastructure & Systems Manager is a full-time role based in London with a hybrid working arrangement, combining on-site presence with some work from home. This role is responsible for managing and maintaining the organization's core IT infrastructure, including servers, networks, storage, and cloud services. Day-to-day tasks include overseeing system administration, monitoring performance and availability, implementing security best practices, and coordinating backup and disaster recovery processes. The role involves leading and supporting IT operations, resolving complex technical issues, and ensuring that systems, applications, and services remain stable and secure. The IT Infrastructure & Systems Manager will collaborate with internal stakeholders, manage vendors and service providers, contribute to IT strategy and roadmaps, and document procedures, standards, and configuration changes. Qualifications Strong foundation in Information Technology and IT Operations, including infrastructure design, capacity planning, and service management. Hands-on experience with System Administration and Troubleshooting across Windows and/or Linux environments, virtualization, and cloud platforms. Proficiency in Network Security, including firewalls, VPNs, endpoint protection, access control, and security monitoring. Proven ability to manage IT projects, prioritize tasks, and deliver improvements on time and within scope. Excellent communication and stakeholder management skills, with the ability to explain technical concepts to non-technical audiences. Experience leading or mentoring IT team members or support staff is highly desirable. Relevant certifications (e.g., ITIL, Microsoft, Cisco, CompTIA, or cloud certifications) are an advantage. Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent practical experience. Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (e.g., Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (e.g., Syncovery, other SFTP). Networking Configure and support Cisco switches and routers. Administer FortiGate firewall environments. Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (e.g., Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (e.g., Paxton) Governance, Documentation & Process Improvement Develop, maintain, and enforce IT policies, standards, and operational procedures. Produce system architecture diagrams, technical documentation, SOP's, and performance reports. Identify and drive opportunities for automation and service improvement. Support technology planning, infrastructure modernization, and transformation initiatives. Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SAAS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/ XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (e.g., Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Technical Competencies Data analysis and operational reporting Desktop and laptop support Infrastructure monitoring and performance management Certificate lifecycle management (SSL/TLS) Windows imaging and deployment, GPO, NTFS PowerShell scripting SQL Server administration Understanding of software development lifecycle (SDLC) and deployment processes Architecture review and systems optimization Asset management 7+ years of experience in enterprise IT infrastructure and systems administration. Experience within financial services, banking, trading, or treasury environments. Proven experience managing mission-critical infrastructure and applications. Experience operating within regulated and security-focused environments. Able to provide support to VIP stakeholders This is a hybrid role with 3 days at the office in Central London. Salary for this role will be in the range £60K - £65K. Do send your CV to us in Word format along with your salary and availability.
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Freelance

Mission freelanceInformation Security Manager with Network Engineering Skills

Nexus Jobs Limited
Publiée le

£500-650
Grand Londres, Royaume-Uni
Information Security Manager with Network Engineering Skills Our Client is bank based in Central London who are looking to recruit a seasoned professional with at least 7 to 10 years expertise level Information Security coupled with Hands-on Network Engineering. The role is mainly Information Security – Data Security and split circa 80% with 20% Network Engineering – so you do need to be hands-on technically. You will ideally have circa 5+ years of work experience with Network Engineering coupled with over 10 years experience with Cisco Systems Products Role Description The Information Security Manager with Network Engineering Skills is a full-time hybrid role based in London, with the flexibility to work from home part of the week. The role oversees the design, implementation, and continuous improvement of information security policies, procedures, and controls across networks and systems. Day-to-day responsibilities include managing the Information Security Management System (ISMS), monitoring cybersecurity and network security events, coordinating incident response, and ensuring compliance with relevant standards and regulations. The person in this role will collaborate with IT and business stakeholders to assess risks, implement technical and procedural safeguards, and support secure network architecture and configuration. Additional tasks include producing security documentation, leading security awareness initiatives, and providing guidance on secure network engineering practices. Qualifications Strong skills in Information Security Management and Information Security, with experience defining and enforcing security policies and governance. Hands-on expertise with Information Security Management Systems (ISMS), including implementation, maintenance, and audit readiness. Proficiency in Cybersecurity and Network Security, covering threat detection, vulnerability management, network hardening, and incident response. Demonstrated network engineering experience (e.g., routing, switching, firewalls, VPNs, secure network design). Relevant certifications such as CISSP, CISM, CISA, CompTIA Security+, or similar are beneficial. Experience with regulatory and compliance frameworks (e.g., ISO 27001, GDPR, NIST) and security best practices. Ability to analyze complex technical environments, communicate clearly with both technical and non-technical stakeholders, and document security requirements and processes. Bachelor's degree in computer science, information security, engineering, or a related field, or equivalent professional experience. Key Networking Skills Required: Cisco Network Switches Layer 2 and 3 (Catalyst 9K) – CCNP Level, Expert Level Preferred Routing protocol – OSPF (Catalyst 9K) – CCNP Level, Expert Level Preferred Cisco Switch Stacking (Cat 9K Switches 9600, 9300. 9200) Virtual Routing and Forwarding – (Catalyst 9600) Internetworking Troubleshooting - CCNP Level, Expert Level Preferred High Availability and Disaster Recovery - CCNP Level, Expert Level Preferred Security/Cyber Security Skills Required: Cisco Firepower Firewalls (ASA, FTD) - CCNP Level, Expert Level Preferred Palo Alto Firewalls – Specialist Level, Architect Level Preferred Cisco Layer 2 Port Security Network Access Control including Cisco ISE, TACACS etc Network Detection and Response Network Encryption (Site to Site VPN's) Cisco Secure Client (ASA) Network IPS (Trellix) Network Zero Day (Trellix NX or similar) Host Zero Day (Trellix HX or similar) Cyber Security Network Control Incident Investigation with the assistance of group cyber security experts – Tier 1, Tier 2 to 3 preferred, using LogRhythm SIEM a bonus Host End Point Protection (Symantec) Host IPS Preferred Skills and Knowledge Vulnerability Management (Scanning for Vulnerabilities and classifying the risk, CIS Benchmark Scanning and compliance) – Using Rapid7 a bonus Knowledge of Penetration Testing, understanding of the types of testing and their advantages and disadvantages Security Zone Design and considerations Network and Security Architecture Design and Considerations Understanding of Information Security (Confidentiality, Integrity, Availability), MITRE ATT&CK, NIST, ISO 27001, SIEM use cases for key controls etc Risk Management in Cyber Security, SSL Blind spots, what causes them and how to mitigate Malware/Ransomware and how to mitigate along with Penetration testing concepts Understanding of White/Black/Grey Box penetration testing. Developing Security policies and procedures and conducting audits/risk assessments Handling crisis situations during security incidents The role is hybrid 3 days in the office in Central London. The rate for this role will be in the range £500 pd to £650 pd. This is a 3 month assignment. Do send your CV to us in Word format along with your salary and notice period.
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CDI
CDD

Offre d'emploiSenior IT Infrastructure & Systems Lead

Nexus Jobs Limited
Publiée le
Active Directory Domain Services (AD DS)
Administration Windows
Cisco

12 mois
£70k-75k
Cité de Westminster, Royaume-Uni
Senior IT Infrastructure & Systems Lead Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period Infrastructure & Systems Management · Administer, maintain, and optimize Windows and Linux server environments. · Manage VMware virtualized infrastructure (vSphere 8 and above). · Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. · Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. · Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). · Support endpoint DLP, SIEM, and security monitoring tools (eg, Splunk, Tenable). · Manage patching processes using ManageEngine Patch Manager Plus. · Support Microsoft 365 services and related cloud technologies. · In depth understanding of Cyber ​​security · Monitor system performance, capacity, availability, and infrastructure health. · Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support · Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. · Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. · Manage OS deployment, imaging, image creation, maintenance, and software packaging. · Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. · Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. · Resolve technical incidents and service requests in line with agreed SLAs. 3. Enterprise Applications & Financial Systems Support · Support and administer business-critical applications, including: · Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP · Support enterprise file synchronization and replication solutions (eg, Syncovery, other SFTP). 4. Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management · Support vulnerability management using tools such as Tenable. · Manage security monitoring and log analysis tools (eg, Splunk). · Perform SSL/TLS certificate lifecycle management using OpenSSL. · Create and manage CSRs, certificate chains, and private keys. · Ensure adherence to cybersecurity policies, standards, and regulatory requirements. · Support physical access control systems (eg, Paxton) Operating Systems · Windows 11 · Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization · VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 · ManageEngine Patch Manager Plus SaaS solutions SQL Server Security · Symantec Endpoint Protection (SEP) · Symantec Endpoint Encryption (SEE) SentinelOne – EDR/XDR Endpoint DLP solutions Firewall administration · Vulnerability management tools (eg, Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers · FortiGate Firewalls · LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers · Dell PowerVault SAN Storage Education Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initially will be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be around £70K - £75K. Do send your CV to us in Word format along with your salary and availability.
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CDI

Offre d'emploiSecurity Operations Centre Analyst (Tier 2)

LA International Computer Consultants Ltd
Publiée le

£40k-55k
Stoke-on-Trent, Royaume-Uni
Security Operations Centre (SOC) Analyst - Tier 2 Location: Stoke-on-Trent, United Kingdom Employment Type: Permanent, Full-Time Department: Security Operations Salary: Up to £55,000 per annum + shift allowance Working Hours: Rotating shifts (early, late, and nights) on a 4-days-on rota. About the Role We are seeking a proactive Tier 2 SOC Analyst to join a 24x7 Security Operations Centre. You will investigate and manage complex security incidents, support threat hunting activities, and act as an escalation point for Tier 1 analysts. This role offers an excellent opportunity to further develop your technical expertise while helping to strengthen and mature the organisation's security operations capability. Key Responsibilities Lead the triage, investigation, and resolution of medium to high-severity security incidents. Monitor and analyse security events using SIEM, EDR, and other security tools. Act as an escalation point and mentor for Tier 1 analysts. Perform threat analysis and share intelligence across teams. Tune and improve SIEM rules and detection capabilities. Support vulnerability management and remediation activities. Produce incident reports, metrics, and post-incident reviews. Collaborate with Infrastructure, Network, and Development teams to improve security posture. Skills & Experience 1-5 years' experience within a SOC or similar security operations environment. Hands-on experience with incident response, security monitoring, and threat analysis. Experience using SIEM, EDR, and vulnerability management tools. Good understanding of security operations processes, attack techniques, and incident management methodologies. Strong analytical and problem-solving skills. Qualifications (Desirable) Degree in Cyber Security, Information Security, Computer Science, or equivalent experience. Relevant certifications such as CompTIA Security+, CEH, CCSP, CISSP, BTL1, BTL2, or SIEM/vendor-specific certifications. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 10 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
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Offre d'emploiIT Infrastructure & Systems Manager

Nexus Jobs Limited
Publiée le
Active Directory
Cisco
Microsoft Office

£60k-65k
Cité de Westminster, Royaume-Uni
IT Infrastructure & Systems Manager We are seeking an experienced and highly motivated Senior IT Infrastructure Manager with at least 7 to 10 years experience to oversee, manage, and continuously improve the organization's IT infrastructure, enterprise systems, network environment, and end-user computing services. The successful candidate will ensure the availability, security, performance, and resilience of critical business systems while leading technical teams and supporting key stakeholders across the organization. This role requires a strong blend of technical expertise, leadership capability, operational excellence, and stakeholder management skills, within a complex enterprise environment that includes financial, trading, and treasury systems. Please note that this is a completely hands-on role and you must be able to be a Network Engineer, Network Security and Systems Manager all rolled in to on efunction. Role Description The IT Infrastructure & Systems Manager is a full-time role based in London with a hybrid working arrangement, combining on-site presence with some work from home. This role is responsible for managing and maintaining the organization's core IT infrastructure, including servers, networks, storage, and cloud services. Day-to-day tasks include overseeing system administration, monitoring performance and availability, implementing security best practices, and coordinating backup and disaster recovery processes. The role involves leading and supporting IT operations, resolving complex technical issues, and ensuring that systems, applications, and services remain stable and secure. The IT Infrastructure & Systems Manager will collaborate with internal stakeholders, manage vendors and service providers, contribute to IT strategy and roadmaps, and document procedures, standards, and configuration changes. Qualifications · Strong foundation in Information Technology and IT Operations, including infrastructure design, capacity planning, and service management. · Hands-on experience with System Administration and Troubleshooting across Windows and/or Linux environments, virtualization, and cloud platforms. · Proficiency in Network Security, including firewalls, VPNs, endpoint protection, access control, and security monitoring. · Proven ability to manage IT projects, prioritize tasks, and deliver improvements on time and within scope. · Excellent communication and stakeholder management skills, with the ability to explain technical concepts to non-technical audiences. · Experience leading or mentoring IT team members or support staff is highly desirable. · Relevant certifications (eg, ITIL, Microsoft, Cisco, CompTIA, or cloud certifications) are an advantage. · Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent practical experience. Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (eg, Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber ​​security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (eg, Syncovery, other SFTP). Networking Configure and support Cisco switches and routers. Administer FortiGate firewall environments. Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (eg, Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (eg, Paxton) Governance, Documentation & Process Improvement Develop, maintain, and enforce IT policies, standards, and operational procedures. Produce system architecture diagrams, technical documentation, SOP's, and performance reports. Identify and drive opportunities for automation and service improvement. Support technology planning, infrastructure modernization, and transformation initiatives. Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SaaS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (eg, Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Technical Competencies Data analysis and operational reporting Desktop and laptop support Infrastructure monitoring and performance management Certificate lifecycle management (SSL/TLS) Windows imaging and deployment, GPO, NTFS PowerShell scripting SQL Server administration Understanding of software development lifecycle (SDLC) and deployment processes Architecture review and systems optimization Asset management 7+ years of experience in enterprise IT infrastructure and systems administration. Experience within financial services, banking, trading, or treasury environments. Proven experience managing mission-critical infrastructure and applications. Experience operating within regulated and security-focused environments. Able to provide support to VIP stakeholders This is a hybrid role with 3 days at the office in Central London. Salary for this role will be in the range £60K - £65K. Do send your CV to us in Word format along with your salary and availability.
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Offre d'emploiIT Infrastructure & Systems Manager

Nexus Jobs Limited
Publiée le
Microsoft Windows
Security Information Event Management (SIEM)
SWIFT

£60k-65k
Cité de Westminster, Royaume-Uni
IT Infrastructure & Systems Manager We are seeking an experienced and highly motivated Senior IT Infrastructure Manager with at least 7 to 10 years experience to oversee, manage, and continuously improve the organization's IT infrastructure, enterprise systems, network environment, and end-user computing services. The successful candidate will ensure the availability, security, performance, and resilience of critical business systems while leading technical teams and supporting key stakeholders across the organization. This role requires a strong blend of technical expertise, leadership capability, operational excellence, and stakeholder management skills, within a complex enterprise environment that includes financial, trading, and treasury systems. Role Description The IT Infrastructure & Systems Manager is a full-time role based in London with a hybrid working arrangement, combining on-site presence with some work from home. This role is responsible for managing and maintaining the organization's core IT infrastructure, including servers, networks, storage, and cloud services. Day-to-day tasks include overseeing system administration, monitoring performance and availability, implementing security best practices, and coordinating backup and disaster recovery processes. The role involves leading and supporting IT operations, resolving complex technical issues, and ensuring that systems, applications, and services remain stable and secure. The IT Infrastructure & Systems Manager will collaborate with internal stakeholders, manage vendors and service providers, contribute to IT strategy and roadmaps, and document procedures, standards, and configuration changes. Qualifications · Strong foundation in Information Technology and IT Operations, including infrastructure design, capacity planning, and service management. · Hands-on experience with System Administration and Troubleshooting across Windows and/or Linux environments, virtualization, and cloud platforms. · Proficiency in Network Security, including firewalls, VPNs, endpoint protection, access control, and security monitoring. · Proven ability to manage IT projects, prioritize tasks, and deliver improvements on time and within scope. · Excellent communication and stakeholder management skills, with the ability to explain technical concepts to non-technical audiences. · Experience leading or mentoring IT team members or support staff is highly desirable. · Relevant certifications (eg, ITIL, Microsoft, Cisco, CompTIA, or cloud certifications) are an advantage. · Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent practical experience. Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (eg, Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber ​​security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (eg, Syncovery, other SFTP). Networking Configure and support Cisco switches and routers. Administer FortiGate firewall environments. Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (eg, Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (eg, Paxton) Governance, Documentation & Process Improvement Develop, maintain, and enforce IT policies, standards, and operational procedures. Produce system architecture diagrams, technical documentation, SOP's, and performance reports. Identify and drive opportunities for automation and service improvement. Support technology planning, infrastructure modernization, and transformation initiatives. Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SaaS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (eg, Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Technical Competencies Data analysis and operational reporting Desktop and laptop support Infrastructure monitoring and performance management Certificate lifecycle management (SSL/TLS) Windows imaging and deployment, GPO, NTFS PowerShell scripting SQL Server administration Understanding of software development lifecycle (SDLC) and deployment processes Architecture review and systems optimization Asset management 7+ years of experience in enterprise IT infrastructure and systems administration. Experience within financial services, banking, trading, or treasury environments. Proven experience managing mission-critical infrastructure and applications. Experience operating within regulated and security-focused environments. Able to provide support to VIP stakeholders This is a hybrid role with 3 days at the office in Central London. Salary for this role will be in the range £60K - £65K. Do send your CV to us in Word format along with your salary and availability.
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CDI

Offre d'emploiNetwork Security Engineer

Rise Technical Recruitment Ltd
Publiée le

£40k-50k
Reigate and Banstead, Royaume-Uni
Network Security Engineer (Eligible for SC Clearance) Competitive Salary + Annual Bonus + Private Healthcare + Pension + Progression + Gym Membership + Full Training London Are you an experienced Network Security Engineer looking to take ownership of network security across complex global systems while working with cutting-edge satellite and communications technology? This is a fantastic opportunity to join a well-established and growing engineering organisation, where you will play a key role in developing and implementing security strategies across both internal and customer environments. You will work closely with compliance and engineering teams to embed robust security practices into daily operations and ensure systems are protected against evolving threats. In this role, you will be responsible for designing, implementing, and maintaining security solutions while actively monitoring threats and responding to incidents. You will utilise tools such as SIEM, IDS/IPS, and vulnerability management platforms to maintain the integrity of networks, as well as carry out investigations into security events and recommend improvements. The ideal candidate will have strong hands-on experience across multi-vendor network environments, with a deep understanding of cybersecurity frameworks and compliance standards such as ISO27001. This position offers a varied and technically engaging workload alongside opportunities to mentor colleagues and contribute to ongoing security improvements. The Role: Design, implement and maintain network security solutions across internal and customer systems Monitor security tools (SIEM, IDS/IPS) and respond to incidents and vulnerabilities Provide third-line support and act as a key escalation point for security issues Develop and maintain security policies, procedures, and documentation Collaborate with internal teams to improve security across infrastructure The Person: Strong experience with Cisco and Juniper networking technologies Proven background in cybersecurity tools including SIEM, IDS/IPS and penetration testing Knowledge of ISO27001, GDPR and security frameworks Ability to troubleshoot and resolve complex security issues independently Reference Number:BBBH276007 Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client. We are an equal opportunities company and welcome applications from all suitable candidates.
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