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What you need to know about Cybersecurity

Cybersecurity involves protecting systems, networks, and programs from digital attacks. It is essential for safeguarding sensitive information and ensuring the integrity, confidentiality, and availability of data.

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Contractor

Contractor jobExpert IAM - IGA

STHREE SAS
Published on

6 months
75001, France
🔐 IAM / IGA Support Expert (H/F)📍 Paris 📅 Démarrage : Octobre 2026 📄 Contrat : Freelance / Consultant ⏳ Durée initiale : 6 mois renouvelables Votre missionDans le cadre du renforcement d'une équipe Cybersecurity, nous recherchons un IAM / IGA Support Expert pour intervenir sur les activités de gestion des identités et des accès au sein d'un environnement international. Vous participerez à l'évolution de la gouvernance des identités tout en assurant le support opérationnel de la plateforme IGA et des processus IAM. Responsabilités✅ Administration des utilisateurs et des accès Gestion des arrivées, départs et mouvements des collaborateurs Gestion des comptes invités Azure Traitement des demandes d'accès Activation, désactivation et modification des habilitations ✅ Gouvernance des identités Création et maintenance des rôles et permissions Mise à jour des règles métier et workflows d'approbation Participation aux revues de droits et contrôles SoD (Segregation of Duties) Contribution aux projets d'évolution de la gouvernance des accès ✅ Support et amélioration continue Support de niveau 3 sur les problématiques IAM/IGA Analyse et résolution des incidents complexes Gestion des anomalies de données et des flux d'import Collaboration avec les équipes sécurité, infrastructure et partenaires externes Production de reportings et extractions de données Profil recherchéCompétences techniquesSolide expérience en Identity & Access Management (IAM) Expérience sur une solution IGA (Identity Governance & Administration) Bonne maîtrise de Microsoft Entra ID / Azure AD Connaissance de Microsoft 365 / Office 365 Compréhension des modèles RBAC, provisioning et cycle de vie des identités Connaissances en sécurité des accès et contrôles SoD Expérience5+ ans d'expérience dans les domaines IAM, IGA ou Cybersecurity Expérience en support applicatif ou support N3 appréciée Expérience dans un environnement réglementé (banque, assurance, finance, industrie) est un plus Soft SkillsExcellent relationnel Forte capacité d'analyse Sens de l'organisation Esprit d'équipe Autonomie et sens du service Certifications appréciéesITIL Foundation Certifications IAM / Cybersecurity
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Contractor

Contractor jobExpert Risques et sécurité des opérations Datacenter

LeHibou
Published on
Audit
Risk management
Third Party Risk Management (TPRM)

36 months
750 €
Montreuil, Ile-de-France
Notre client dans le secteur Banque et finance recherche un/une Expert Risques et sécurité des opérations Datacenter H/F Description de la mission : Contexte Un acteur majeur du secteur bancaire déploie un plan de contrôle global fondé sur des standards de sécurité afin de renforcer la sécurité physique de ses Datacenters. Le projet mobilise une équipe d'experts internes et externes, en collaboration avec des équipes pluridisciplinaires couvrant la cybersécurité, les opérations et les techniques immobilières des Datacenters. Mission L'expert(e) contribue à rédiger et mettre en place les processus de sécurité des opérations en Datacenter. Il ou elle veille à leur conformité avec les normes et règles de sécurité applicables, développe des procédures et contrôles pour protéger les infrastructures et les données sensibles, et apporte son expertise en gestion des risques fournisseurs. Principales responsabilités Analyser les normes de sécurité applicables, notamment NIST et ISO, ainsi que les bonnes pratiques de sécurité des opérations en Datacenter. Intégrer les procédures de sécurité du groupe dans les standards applicables aux opérations en Datacenter. Rédiger ou mettre à jour des processus et procédures détaillés, en veillant à leur applicabilité à l'échelle internationale. Collaborer avec les équipes opérationnelles pour mettre en œuvre les processus et vérifier leur conformité. Définir des contrôles de sécurité opérationnelle, de sûreté et de continuité à partir des standards de sécurité. Tester, ajuster et valider les contrôles avant leur industrialisation, puis évaluer leur efficacité et les faire évoluer selon les besoins opérationnels. Conseiller les équipes sur les bonnes pratiques de sécurité des opérations en Datacenter. Superviser et examiner les contrats fournisseurs liés aux Datacenters afin d'évaluer les risques IT, notamment dans le cadre du TPTRM. Participer à la sensibilisation et à la formation des employés aux procédures de sécurité des opérations en Datacenter. Dans un second temps, réaliser des évaluations régulières de la sécurité et des contrôles en Datacenter, puis proposer des améliorations. Environnement technique Standards et référentiels : NIST Cybersecurity Framework, NIST 800, ISO/IEC 27000 Domaines : sécurité physique des infrastructures critiques, sécurité des opérations en Datacenter, gestion des risques IT, TPTRM, audit, plans de contrôle Livrables attendus Standards, processus et procédures de sécurité des opérations en Datacenter, adaptés à un contexte international Contrôles opérationnels de sécurité, de sûreté et de continuité définis, testés et validés Revues des risques IT intégrés aux contrats fournisseurs Évaluations de sécurité et propositions d'amélioration, selon les besoins de la mission Profil recherché Expérience Minimum 8 ans dans un rôle similaire, idéalement dans le secteur bancaire ou dans un environnement hautement sécurisé ou d'infrastructures critiques Expérience solide en sécurité des opérations en Datacenter et en revue des risques IT liés aux contrats fournisseurs Compétences techniques Maîtrise du NIST Cybersecurity Framework et de la norme ISO/IEC 27000 Expérience confirmée en sécurité physique d'infrastructures critiques, de préférence en Datacenter Diplôme de niveau Master en sécurité ou équivalent, ou certification CPP (Certified Protection Professional – ASIS) La connaissance des systèmes d'exploitation, des réseaux, des pare-feu, des outils de détection d'intrusion et des systèmes de gestion des identités et des accès est un plus Compétences personnelles Excellentes capacités d'analyse et de résolution de problèmes Capacité à rédiger des processus et procédures clairs et concis Bonnes compétences en communication et aptitude à collaborer avec les équipes opérationnelles Autonomie et capacité à gérer plusieurs tâches simultanément Langues Français et anglais : capacité à rédiger des processus et procédures dans les deux langues Anglais requis Compétences / Qualités indispensables : Sécurité des opérations en Datacenter, NIST Cybersecurity Framework et NIST 800, ISO/IEC 27000, Gestion des risques IT et TPTRM, Audit et mise en place de plans de contrôle, Anglais professionnel Compétences / Qualités qui seraient un + : Connaissance des systèmes d'exploitation, des réseaux, des pare-feu, des outils de détection d'intrusion et des systèmes de gestion des identités et des accèsInformations concernant le télétravail : Oui — 2 jours/semaine
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Permanent

Job VacancySenior IT Infrastructure & Systems Lead

Nexus Jobs Limited
Published on

£70k-75k
London, England, United Kingdom
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 complex technical 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 (e.g., 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 (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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Permanent

Job VacancyInformation Security Manager with 2nd and 3rd Line Support

Nexus Jobs Limited
Published on

£65k-80k
London, England, United Kingdom
Role Description This is a full-time hybrid role for an Information Security Manager with 2nd and 3rd Line IT support experience. The role involves day-to-day tasks associated with planning, implementing, and maintaining an Information Security Management System (ISMS), including managing cybersecurity risks, implementing network security measures, and ensuring compliance with industry standards. The Information Security Manager will also provide IT support to the company and will be based in the London office, with flexibility for some remote work. Your past experience must include 2nd and 3rd line infrastructure support where you are able to advise and direct the technical team. Qualifications Experience in Information Security Management and creating and implementing an ISMS Experience in Cybersecurity and Network Security Expertise in Information security best practices and standards Excellent problem-solving skills and attention to detail Strong communication and collaboration skills Bachelor's or Master's degree in Computer Science, Information Technology, or related field Certifications such as CISSP, CISM, CCNA, or equivalent are a plus Experience in IT support or Systems Administration is desirable The position is 3 days in the office per week in Central London. Salary will be negotiable - but like to be in the range £65K - £80K. Do send your CV to us in Word format along with your salary and notice period.
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Permanent

Job VacancySenior IT Infrastructure & Systems Lead

Nexus Jobs Limited
Published on

£65k-75k
London, England, United Kingdom
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 complex technical 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 (e.g., 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 (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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Permanent

Job VacancyInformation Security Manager

Nexus Jobs Limited
Published on

£60k-75k
London, England, United Kingdom
Information Security Manager Role Description This is a full-time role as an Information Security Manager for Bank in Central London. The Information Security Manager will be responsible for day-to-day tasks related to information security management, including implementing and maintaining Information Security Management Systems (ISMS), ensuring cybersecurity and network security, and protecting sensitive information. This is a hybrid role, based in London with the flexibility for some remote work. Qualifications Information Security Management, ISMS, and Cybersecurity skills Network Security and Information Security knowledge Experience in implementing and maintaining ISMS Proficient in identifying and addressing information security vulnerabilities Strong analytical and problem-solving skills Excellent communication and interpersonal skills Certifications such as CISSP, CISM, or equivalent are preferred Bachelor's degree in Information Security, Computer Science, or related field Information Security Manager role (permanent) reporting into Head of IT (CIO | CISO) Need an individual with a strong hands on network and security background Cisco networking Cisco firewalls (Firepower / Threat Detection) Palo Alto firewalls SIEM experience (Logarithm desirable) Web proxy (Forcepoint desirable) Governance skills Policy writing / reviewing Reporting KPI monitoring Certifications like CCNP / CISM would be desirable but strong experience is preferable. The Client is based in Central London and the position is hybrid - 3 days in the office every week. Salary circa £60K - £75K + Benefits. Please do send your CV to us in Word format along with your salary and notice period.
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Contractor

Contractor jobAnalyste CyberSoc anglais bilingue mission en Chine

IBSI
Published on
CyberSoc
Google Security Operations (SecOps)
Threat hunting

12 months
€510-580
China
Cyber Security Operations Center (SOC) Analyst [Shanghai] About the Role Join an elite operational cybersecurity team whose mission is to rapidly detect, investigate, and respond to cyber threats and security incidents. As a SOC Analyst, you will be at the forefront of cyber defense, leveraging advanced security technologies to identify malicious activity, conduct investigations, and support incident response efforts. • Be part of a highly skilled cyber defense team operating in a dynamic and challenging environment. • Work with advanced security technologies and modern detection capabilities. • Develop expertise in incident response, threat hunting, and digital forensics. • Investigate real-world cyber threats and contribute to the protection of a global organization. • Collaborate with international cybersecurity teams and security experts. • Play a key role in enhancing detection capabilities and strengthening cyber resilience. Key Responsibilities • Monitor and analyze security events and alerts from multiple security platforms. • Perform triage, investigation, and escalation of security incidents. • Conduct root cause analysis and support digital forensic investigations. • Execute incident response activities, including containment, eradication, and recovery. • Perform proactive threat hunting activities to identify potential threats. • Develop and improve detection rules, playbooks, and security use cases. • Collaborate with global cybersecurity teams to ensure effective threat monitoring and response. • Document incidents and produce clear reports for both technical and non-technical stakeholders. • Contribute to the continuous improvement of SOC processes, tools, and operational capabilities. Technical Environment • SOAR: Palo Alto Cortex - EDR: SentinelOne - NDR: Vectra - SIEM: Google SecOps - Sandbox : Joe Sandbox Proven experience in a Security Operations Center (SOC) environment. Strong knowledge of cybersecurity operations, threat detection, and incident response. Hands-on experience with SIEM, EDR, NDR, and SOAR technologies. Excellent analytical, investigation, and problem-solving skills. Ability to operate effectively in a fast-paced, global cybersecurity environment. Fluency in both English and Mandarin Chinese is mandatory. Strong communication skills, with the ability to present technical findings to both technical and non-technical stakeholders. Compétences SIEM (Google SecOps) Confirmé Threat Hunting Expert Threat Detection & Analysis Expert Incident Response Expert Security Operations Center (SOC) Expert
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Contractor

Contractor jobInformation Security Manager with Network Engineering Skills

Nexus Jobs Limited
Published on

£500-650
London, England, United Kingdom
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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Permanent

Job VacancyInformation Security Manager with Network Engineering Skills

Nexus Jobs Limited
Published on

£85k-100k
London, England, United Kingdom
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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Contractor

Contractor jobProject Manager H/F

Insitoo Freelances
Published on
Confluence
Cybersecurity
FinOps

2 years
480-550 €
Marseille, Provence-Alpes-Côte d'Azur
Basée à Lille, Lyon, Nantes, Grenoble, Marseille, Paris et Bruxelles, Insitoo Freelances est une société du groupe Insitoo, spécialisée dans le placement et le sourcing des Freelances IT et Métier. Depuis 2007, Insitoo Freelances a su s'imposer comme une référence en matière de freelancing par son expertise dans l'IT et ses valeurs de transparence et de proximité. Actuellement, afin de répondre aux besoins de nos clients, nous recherchons un Project Manager H/F à Marseille, France. Contexte : Dedicated Project Manager within the cross-divisional Tenable IT project. Responsible for driving the local transition from Qualys to Tenable while maintaining synchronization with group-level strategy and the other two divisions. Les missions attendues par le Project Manager H/F : Drives structured project delivery and governance within complex, multi-stakeholder IT environments. Coordinates cross-functional activities, tracks performance metrics, and ensures strategic objectives align with operational execution. Key Responsibilities : Governance & Executive Reporting: Prepare high-level reporting decks, status dashboards, and steering committee (SteerCo) presentations for executive leadership. Plan, facilitate, and document Quality Gates and technical workshops. Work Package Tracking: Drive weekly progress monitoring across 8 WP Owners and key technical stakeholders. Maintain visibility over sub-WP and sub-project status, interdependencies, and critical path items. Financial & Schedule Management: Track budget allocation, resource consumption, and vendor performance. Identify schedule risks early and coordinate mitigation paths. Experience: 5+ years in PMO/Project Management roles within complex, enterprise-level IT or Cybersecurity environments (vulnerability management context preferred). Skills: Expert in stakeholder management, risk mitigation, and financial tracking. Proficiency in Jira, Confluence, and advanced executive presentation tools.
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Job VacancyExpert Messagerie / Cisco IronPort (H/F).

OMICRONE
Published on
Cisco
Cisco IronPort
Mimecast

1 year
40k-45k €
400-530 €
Ile-de-France, France
🔎 Recrutement – Expert Messagerie / Cisco IronPort (H/F) Dans le cadre d'une mission longue durée en Île-de-France, nous recherchons un(e) Expert(e) Messagerie / Cisco IronPort – Niveau Senior pour intervenir au sein d'un environnement grand compte international. 🎯 Vos missions : Définition des architectures techniques de messagerie HLD / LLD Administration et évolution des infrastructures Cisco ESA / IronPort Gestion du SMTP Routing et des mécanismes de sécurité DMARC, DKIM, SPF, S/MIME Gestion des incidents, changements et support L3 Optimisation du monitoring et des opérations d'administration Développement de scripts et automatisation avec PowerShell Rédaction des procédures d'installation et d'exploitation Participation aux projets d'intégration et de migration d'infrastructures de messagerie.. 🛠 Compétences recherchées : Expertise confirmée Cisco ESA / IronPort ⭐ indispensable Excellente maîtrise SMTP, DMARC, DKIM, SPF, S/MIME Sécurité messagerie / Sandboxing PowerShell, IIS Solide expérience en infrastructures et environnements de production critiques Capacité à intervenir sur des sujets d'architecture et de support Niveau 3 📍 Localisation : Île-de-France 🏠 Télétravail : 50 % 📅 Mission : Longue durée 🎯 Séniorité : Expert / Senior #CiscoIronPort #CiscoESA #Messaging #EmailSecurity #Infrastructure #SMTP #PowerShell #CyberSecurity #Freelance #ITJobs
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Permanent

Job VacancyIT Infrastructure Support Analyst

Nexus Jobs Limited
Published on

£32k-35k
London, England, United Kingdom
IT Infrastructure Support Analyst Our Client a bank based in Central London is looking to recruit a young super talented individual as an IT Infrastructure Support Analyst. You will have at least to 5 years hands-on experience within IT Infrastructure ideally from the Banking or Financial arena. Must have in-depth knowledge of troubleshooting experience with Windows, Office365 and ideally Banking applications and conferencing applications. You will be responsible for the support and maintenance of the IT infrastructure for the Branch and to provide IT support to staff. To assist in the response to service outages and other IT related problems as well as maintenance and upkeep of for security of the systems in place. Business Performance duties  Familiarity with core banking systems or financial applications  Provide first/Second level support for hardware, software, and network-related issues.  Install, configure, and maintain desktops, laptops, printers, Phones/Mobiles and other IT equipment.  Laptop imaging experience needed (WIM USB, MDT, SCCM, Intune, AutoPilot) – Image creation, management and deployments.  Assist in user account management in Active Directory, Microsoft 365, Sharepoint, Onedrive, Teams, and banking systems  Networking Fundamentals – DNS, DHCP, TCP/IP, and LAN/WAN.  Understanding of cybersecurity measures.  Perform routine system backups and assist with disaster recovery operations.  Monitor system performance and report abnormalities to senior IT staff  Assist with software updates, patches, and antivirus management.  Exposure to following Fortinet solutions – fortigate, forticlient VPN, Symantec Endpoint Protection & Encryption, Bitlocker, SentinelOne, Cisco Switches, Tenable, Group policy, ManageEngine, Nagios, MFA  Document IT procedures and maintain technical documentation relating to role. Technical/Functional skills - Proficient in common operating systems (Linux – Redhat & Ubuntu, Windows OS –Win10 &11) - Software proficiency – 0365, Sharepoint and Teams – Banking Applications - Networking (IT) - Proficient in programming languages & Automation (good to have) - Project management - Data analysis - Excellent troubleshooting and problem-solving skills. - AV Support - Understanding of cybersecurity fundamentals The Client is based in Central London. This is a 12 month FTC position which is hybrid with at least 3 days a week in the office. The salary for this position will be circa £35K. Do send your CV to us in Word format along with your salary and availability.
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Job VacancyIT Infrastructure Support Engineer

Nexus Jobs Limited
Published on

£40k-45k
London, England, United Kingdom
IT Infrastructure Support Engineer Our Client a bank based in Central London is looking to recruit a bright talented individual as an IT Infrastructure Support Analyst with circa 5 to 6 years IT Support experience. You will have at least to 5 to 6 years hands-on experience within IT Infrastructure ideally from the Banking or Financial arena. Must have in-depth knowledge of troubleshooting experience with Windows, Office365 and ideally Banking applications and conferencing applications. The Client is rolling out MS Windows 11 and would therefore like to recruit an individual with these skills. You will be responsible for the support and maintenance of the IT infrastructure for the Branch and to provide IT support to staff. To assist in the response to service outages and other IT related problems as well as maintenance and upkeep of for security of the systems in place. Business Performance duties · Familiarity with core banking systems or financial applications · Provide first/Second level support for hardware, software, and network-related issues and working knowledge of VMWare. · Install, configure, and maintain desktops, laptops, printers, Phones/Mobiles and other IT equipment. · Laptop imaging experience needed (WIM USB, MDT, SCCM, Intune, AutoPilot) – Image creation, management and deployments. · Assist in user account management in Active Directory, Microsoft 365, Sharepoint, Onedrive, Teams, and banking systems · Networking Fundamentals – DNS, DHCP, TCP/IP, and LAN/WAN. · Understanding of cybersecurity measures. · Perform routine system backups and assist with disaster recovery operations. · Monitor system performance and report abnormalities to senior IT staff · Assist with software updates, patches, and antivirus management. · Exposure to following Fortinet solutions – fortigate, forticlient VPN, Symantec Endpoint Protection & Encryption, Bitlocker, SentinelOne, Cisco Switches, Tenable, Group policy, ManageEngine, Nagios, MFA · Document IT procedures and maintain technical documentation relating to role. Technical/Functional skills - Proficient in common operating systems (Linux – Redhat & Ubuntu, Windows OS –Win10 &11) - Software proficiency – 0365, Sharepoint and Teams – Banking Applications - Networking (IT) - Proficient in programming languages & Automation (good to have) - Project management - Data analysis - Excellent troubleshooting and problem-solving skills. - AV Support - Understanding of cybersecurity fundamentals The Client is based in Central London. This is a hybrid role with at least 3 days a week in the office in Central London. The salary for this position will be circa £40K - £45K. Do send your CV to us in Word format along with your salary and availability.
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Job VacancyIT Manager

Nexus Jobs Limited
Published on

£60k-65k
London, England, United Kingdom
IT Manager Our Client is a Bank based in Central London, are looking to recruit an IT Manager ideally with at least 2 years of experience in IT within the financial industry and overall 7 to 10 years of experience in IT. You will be working in a small team managing the day-to-day technology infrastructure to ensure that the Bank can operate efficiently. Cybersecurity Strategy and Planning Evaluate and proritize security initiatives for the branch in London in collaboration with GT (Group Technology) - Group IT Security. Stay up-to-date with the latest cybersecurity threats and trends and escalate risks promptly. Ensure compliance with relevant industry regulations and standards (e.g., GDPR and any other applicable to the IT). Evaluate GT s compliance with relevant regulatory standards (eg ISO 27001) as part of critical vendor performance assessment ensuring operational resilience is maintained. In collaboration with GT, manage security systems, including firewalls, intrusion detection/prevention systems, and antivirus software. In collaboration with GT, Develop and test incident response plans and coordinate responses to security incidents and breaches Raise awareness of cybersecurity issues among bank London employees; conduct annual training /workshops to educate staff on security best practices aligned with GT. Other Duties Maintain professional and technical knowledge (Conduct Rule 2) e.g. by attending educational workshops; read professional publications; benchmarking state-of-the-art practices etc where relevant. Collaborate with stakeholders to handle backlogs and new requirements - Resolve conflicts and remove blockers for the team - Monitor, track and uphold quality of deliverables. Be the point of contact for external communications and facilitate internal communication for effective collaboration on IT related matters. Ensure work deliverables are in compliance with policies and regulatory requirements . Maintains quality service by establishing and enforcing organization standards. To act as second/third level support with GT for support related issues. To comply with all applicable FCA/PRA conduct rules. Compliance with all mandatory training as set by the Branch/Group. Technical/Functional skills - Proficient in common operating systems o Windows 10, Windows Server 2018 and above o Redhat Linux based Operating System - Software proficiency o VMWare v6.7 and above o Veeam Backup and Replication o Symantec Endpoint Protection o Symantec Endpoint Encryption o ManageEngine Patch Manager Plus o Microsoft Office 365 o Bloomberg FXT/eikons o Murex Treasury System o SWIFT Alliance Access (SAA) - Networking (IT) o Cisco Switches and Routers o Fortigate Firewalls o LAN/WAN Routing - Hardware o Dell PowerEdge Servers o Dell PowerVault SAN Storage - Data analysis - Basic PC/Laptop support (formatting, imaging, etc) - Experience of writing and updating IT policies, standards, procedures, and guidelines Personal skills (Soft Competencies [Core/Leadership]) - Committed and dedicated to team deliverables. - Ownership of the business - Strong interpersonal stakeholders management skills - Strong written and verbal communication skills - Ability to train IT staff, supervise and motivate team members for high performance - Experience in coordinating installations, upgrades, and maintenance - Knowledge of architecture processes and performance reports of operating systems - Strong analytical/critical thinking skills - Ability to understand and oversee code development Qualifications: Bachelors degree qualification in relevant discipline Professional Qualification and/or Regulatory, Licensing requirements Project management certification (e.g., PMP, PRINCE2) is highly desirable. Professional certifications such as Certified Information Systems Security Professional (CISSP), Certified Information Security Manager (CISM), or Certified Information Systems Auditor (CISA) are highly desirable. Relevant Work Experience At least 6 years of experience in IT within the financial/banking industry is preferable. Minimum of 2 years experience in managing staff or managing teams in a cross functional set-up. The position is based in Central London and is hybrid 3 days w eek in the office. The salary for this position will be up to £65K. Please do send your CV to us in Word format along with your salary and notice period.
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Job VacancyIngénieurs SecOps – Mission NIS 2

Groupe Aptenia
Published on
NIS2

3 years
40k-45k €
400-550 €
Ile-de-France, France
Ingénieurs SecOps – Mission NIS 2 Dans le cadre du renforcement de notre sécurité opérationnelle et de notre mise en conformité NIS 2, nous recherchons 1 Ingénieur SecOps pour intervenir sur un environnement télécom critique d'environ 1 000 serveurs. 🎯 L'objectif : construire et industrialiser les fondations de sécurité, plutôt que faire du monitoring SOC au quotidien. Au programme : 🛡️ Hardening & sécurité système Durcissement Linux (RHEL, Debian, Ubuntu) et Windows Server Industrialisation via Ansible Gestion des vulnérabilités et campagnes de patching Gestion des secrets et accès privilégiés : Vault, PAM, sudo, AD / Keycloak Security as Code, compliance as code et intégration dans les pipelines GitLab CI / Terraform / Ansible 🌐 Sécurité réseau Audit et durcissement des politiques firewall : Fortinet, Palo Alto, Stormshield, pfSense Segmentation / micro-segmentation et gestion des flux inter-zones Suricata / Zeek, collecte de logs et intégration SIEM Sécurisation des VPN, bastions et accès distants 🚨 Détection & réponse aux incidents Règles de détection Sigma / YARA Playbooks SOAR Investigation Linux / Windows Threat hunting de premier niveau Interface technique avec un SOC externalisé 24/7 📋 NIS 2 Cartographie des actifs critiques Mesures techniques et preuves d'audit Exercices de crise Reporting et indicateurs sécurité 👤 Profil recherché Vous avez 7 ans d'expérience en ingénierie Linux, DevOps ou réseau, avec une forte appétence pour la cybersécurité opérationnelle. Nous recherchons avant tout un ingénieur qui aime construire, automatiser et sécuriser, avec une bonne compréhension du système et du réseau. 💻 Environnement : ~1 000 serveurs, bare-metal & virtualisation (Proxmox / VMware), Ansible, GitLab, Vault, EDR en consolidation, trajectoire cloud souverain et SOC externalisé. #SecOps #Cybersécurité #NIS2 #Cybersecurity #Linux #DevOps #Ansible #Terraform #NetworkSecurity #SOC #SIEM #Firewall #Infrastructure
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Job VacancyData Scientist

█ █ █ ██ █ █
Published on
Apache Spark
Big Data
CI/CD

London, England, United Kingdom

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