Find your next tech and IT Job or contract System and network administration

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.

IT Security Manager Our Client is a large international organisation who are looking to recruit an IT Security Manager with at least 5 to 8 years proven expertise. Provide advice, support and guidance to all Company Corporate functions to assist them to maintain and improve their information security maturity. To work collaboratively with all areas of the Company Corporate and build networks and relationships to promote Information Security. Act as subject matter expert on for IT Security, including legal and regulatory compliance Advise Company Corporate functions on how to achieve the required controls and assist with solutions to support them. Eg Support in the development of standards and their application in line with Group security policies. Participate in Company BU’s Projects giving support, guidance, control validation and overall security assurance. This could also involve sitting on major project steering committees. Support and encourage the ethos and methodology of security by design. Aid GRC to build, implement and facilitate a mechanism to aid BU’s to assess and measure their security compliance to policies. Drive the development of BU/Divisional security roadmaps. Giving oversight of key non-conformities to feed into the CISO roadmap. Coach, train and educate the Company IT and Functions to up skill and increase the security maturity in BU’s. Be an active member of the Company’s IS Security community, contributing to and leveraging the experience and lessons learned from other BU’s Produce, implement and standardise protocol and guidance material to support Business unit activities – examples – Asset register templates, third party due-diligence. Facilitate and chair the security working group meetings Engage and manage third party relationships to support the Company and its affiliates Aid Procurement and the tendering process Raising the security baseline controls and standardising where it makes sense to do so. Understanding the different business requirements and aligning to their objectives Support Security operations to continuously improve information security awareness across the group, including phishing campaigns and associated reporting Experience Experience in an information security risk leadership role within a large organisation. Confident in presenting, discussing and championing ideas and concepts with senior stakeholders. Experience of running information security risk governance processes and structures Familiarity with relevant industry standards for information security (e.g. ISO27001, NIST CSF) Experience of creating, implementing and assessing against information security policies and standards Creativity Able to analyse complex, ambiguous problems and summarise clearly with a view to establishing practical solutions Able to “bridge the gap” between technologists and business-people, bringing to life information security risks to the business, while maintaining a pragmatic outlook on likelihood and impact of the risk and cost/complexity of the mitigation. Ensuring initiatives/programmes are anchored in best practice whilst still being highly practical/pragmatic. Ability to defuse situations and resolve conflict to a win-win outcome Influence others understand their views and agree ways of working that are acceptable to all parties. Business acumen to understand business risks and the information security implications Able to identify when information security risks need to be escalated to achieve the right level of management visibility. Able to prioritise security risks and controls, differentiating the essential from the “nice to have”. Able to judge how to communicate messages to people to maximise buy-in and/or understanding. Able to analyse data with rigour & reach sound conclusions Can assess when further data gathering, or analysis will bring diminishing returns. Can place appropriate weight on prevailing (sometimes conflicting) evidence. Support and manage budget Responsibility Responsibility of information security incident management Responsibility for security assessments and assurance activities (e.g. penetration testing) and when to use them. Oversee and management of security compliance management and reporting in relation to any relevant regulatory or legal requirements Operational responsibility of management of third parties Responsibility for managing change management around project and change leadership. Able to judge the political and other people aspects of a situation, and tailor messages and approach to bring people along. Able to work with others, setting challenging but realistic targets for team members, and through coaching and appropriate guidance, securing a successful outcome. A positive collegiate approach to developing relationships and networks at all levels across the Company and the gravitas to work persuasively with senior stakeholders. Is aware of different styles of stakeholders and can adjust own leadership style successfully to bridge any gaps. The Client and the role is based in Central London – and you will be required to be in the office at least 3 days week. The salary for this position will be £75K + £85K plus Benefits. Please do send your CV to us in Word format for this exciting new position along with your salary and availability.

Ingénieur senior en sécurité réseau (pare-feu, sécurité cloud et segmentation réseau) Senior Network Security Engineer (Firewall, Cloud Security & Network Segmentation)Position Overview We are looking for an experienced Senior Network Security Engineer to join a team responsible for securing and maintaining critical enterprise network infrastructures. This role focuses on firewall administration, network traffic filtering, security policy enforcement, incident management, and cloud network segmentation. The successful candidate will contribute to both operational activities and strategic security initiatives while ensuring compliance with security standards and regulatory requirements.Main Responsibilities Review, validate, and implement network access and firewall requests in accordance with security policies. Configure, maintain, and optimize firewall rules across complex enterprise environments. Investigate and resolve network security incidents, connectivity issues, and policy-related disruptions. Provide technical expertise and guidance for infrastructure, security, and transformation projects. Ensure security controls and firewall configurations remain aligned with organizational security standards and industry best practices. Maintain accurate documentation of security configurations, network flows, and operational procedures. Conduct detailed traffic-flow analysis and support audit, compliance, and recertification activities. Contribute to continuous improvement initiatives aimed at strengthening security posture and operational efficiency. Collaborate with cross-functional teams operating in Agile environments. Key Requirements Minimum 5 years of hands-on experience in network security and firewall administration. Strong experience implementing and managing firewall policies and access controls. Proven track record in troubleshooting and incident resolution within enterprise environments. Experience with leading firewall technologies such as Palo Alto Networks and/or Fortinet. Familiarity with IT Service Management platforms, including ServiceNow or equivalent solutions. Solid understanding of networking, security architecture, and enterprise infrastructure principles. Experience with reporting automation, scripting, or data analysis using Python, VBA, or similar tools. Nice to Have Firewall administration and policy optimization. Intrusion Detection and Prevention Systems (IDS/IPS). Cloud security and micro-segmentation technologies. Network security architecture and traffic-flow analysis. Incident, problem, and change management processes. Security compliance, governance, and audit support. Automation and reporting solutions. Other Details Participation in an on-call rotation may be required. Experience in large-scale, highly regulated, or mission-critical environments is considered an advantage.

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 (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.

At CGI, you will help design and deliver secure, resilient network solutions that underpin mission-critical systems across the Space, Defence and Intelligence sector. As a Network Engineer, you will enable high-performance, secure connectivity across complex environments, ensuring reliability and compliance. Working with clients, partners and expert teams, you will take ownership of network challenges, apply innovative solutions, and develop your career within a collaborative and supportive environment. The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position will be based on site near Gloucester or in Central London 5 days a week.

The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position will be based on site near Chippenham 5 days a week.

148773 IT System Lead ID 148773 Job Order ID on Contract Client's Job Title IT System Lead Status Live Open/Closed Open Overview Edit Activity Notes (532) Files (0) Shortlists (0) Shortlisted Candidate Interested CV Sent Interview Placement Internal Description Job Title: IT Systems, Cyber & Infrastructure Lead (SFIA Level 5+) Salary: £45,000 - £65,000 basic Location: Weston-Super-Mare (office based) Overview A growing UK-based engineering and R&D organisation is seeking a hands-on IT Systems, Cyber & Infrastructure Lead to take ownership of its internal IT environment. The role is responsible for ensuring secure, stable, and well-structured IT operations across corporate and technical systems, supporting both business operations and project delivery. Environment The IT estate includes Microsoft 365 (E5), Azure, Windows/Linux systems, and Fortinet-based networking (firewalls, VPN, switching, failover), along with isolated technical environments supporting R&D work. Role Purpose To provide technical leadership and full operational ownership of IT infrastructure, ensuring systems are secure, reliable, and consistently managed. The role embeds cyber security into day-to-day operations and reduces reliance on external support through improved internal capability and control. Key Responsibilities Own and manage the end-to-end IT estate across infrastructure, cloud, and endpoints Define and enforce system standards, access controls, and configuration policies Lead cyber security implementation aligned to recognised frameworks (e.g. ISO27001, Cyber Essentials Plus) Manage network infrastructure including firewalls, VPNs, switching, and segmentation Oversee Azure and Microsoft 365 environments, including identity, access, and device management Support and standardise Windows/Linux and specialist development environments Ensure controlled integration of external, contractor, and remote access Maintain clear technical documentation and system visibility Line manage and develop junior IT staff Report on system health, risks, and improvements to senior leadership Requirements Significant experience in IT infrastructure / systems leadership (SFIA Level 5+ equivalent) Strong hands-on expertise with Microsoft 365, networking, and enterprise IT systems Experience with Azure (desirable) and Linux environments (beneficial) Knowledge of cyber security frameworks and secure system design Ability to operate in structured, controlled, and standards-driven environments Eligible for UK security clearance (SC level) Success Measures (6-12 months) Clear ownership and control of IT systems Stable, well-documented infrastructure and cloud environments Reduced reliance on external support Improved internal capability and governance alignment Stronger security posture across all systems Working Model Full-time, office-based role Weston-Super-Mare office location Reports to senior IT leadership / board-level IT function Manages IT Technician / Apprentice 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.

Network Infrastructure Support Engineer The role of the IT Infrastructure Engineer is to manage day to day activities to develop, deliver and support the infrastructure and upgrades needed to deliver this programme. You will be part of the 10 people UK ICT team but be assigned to the programme on a full-time basis. Provide technical and project management support Define, manage, track and proactively deliver technical solutions to achieve project goals Implement technical changes and solutions into the Companys environments Ensure all solutions are in line with Company policies and standards Act as interface between the project and BAU support team Fully document all solutions and activities You will be report to the Head of Global Infrastructure and the European IT Director Excellent communication skills, including including written and verbal You will have an understanding of ITIL, Prince 2 practices. Must have a MCP certification along with at least 5 years experience of desktop and application rollouts Ability to think creatively and problem solve and ability to work under pressure Must be able to document solutions and support users through system changes Should have effective time management and organisational skills Ability to learn knowledge of new systems quickly and apply them in the work environment Previous experience of supporting a school environment – desirable Should have the following technical skills: Microsoft Active Directory, Office 365 administration Windows 10 operating system Azure Portal Microsoft Intune uniFLOW management software Meraki Access Points Knowledge of SIMS.net – desirable Knowledge of education applications – desirable The position will be based in Milton Keynes with travel to various locations in the UK. The rate is negotiable. This is a 6 month contract assignment based in Milton Keynes. Please send your CV along with a daily rate and availability.

Au sein de l’équipe architecture, le prestataire aura pour mission principale de concevoir, formaliser et faire évoluer les architectures des différents systèmes d’information. Le prestataire sera l’interlocuteur privilégié des équipes projets et des équipes techniques, il/elle devra garantir la cohérence, la sécurité et la robustesse des infrastructures déployées, dans le respect des standards et bonnes pratiques du groupe. Il/elle aura pour activités principales : La conception et l’évolution des architectures techniques Analyser les besoins métiers et proposer des solutions d’architecture adaptées Modélisation de l’infrastructure (réseaux, serveurs, stockage, sécurité) et participer à la définition des normes associées. Rédaction des notes d’architectures et dossier d’architecture Veille technologique Identification des paterns réutilisables au sein des projets et partitipation à la création des standards d’architecture, La participation aux projets Accompagner les chefs de projets dans les phases d’études et l’identification des besoins pour le projet (humain, processus etc…) Assurer la bonne intégration des règles cybersécurité applicables au projet Soutien à l’équipe d’expertise dans la réalisation (Mises à jour des dossiers d’architecture, apport d’expertise etc…) La mission implique de nombreux contacts avec des clients internes (Corporate Client, départements de maintenance, départements projets, chef d’installation, officiers de sécurité…) et des fournisseurs (contrats de maintenance, d’achats, …). Les livrables attendus dans le cadre de la mission sont les suivants : Dossier d’architecture et notes d’architectures Description complète et formalisée des solutions d’infrastructure. Schémas d’architecture (physique, logique, applicative). Cartographie des infrastructures existantes et futures. Roadmaps de migration, prérequis techniques. Standards & Urbanisation Scénarios d’évolution et de transformation des infrastructures. Rédaction des standards. Présentation des principes d’architecture aux comités de pilotage, directions, équipes techniques etc. Autres Notes de synthèse sur l’état de l’art, propositions d’innovation. Présentations des principes d’architecture aux comités de pilotage, directions, équipes techniques etc. D’autres livrables pourront être requis par le client au cours de la prestation, en accord avec le prestataire.

Senior 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. 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 3 days in the office in Central London. Salary for this role will be in the range £55K - £60K. Do send your CV to us in Word format along with your salary and availability.

IT Systems Support Engineer Our Client is a Bank based in Central London, are looking to recruit an IT Systems Support Engineer ideally with at least 2 years of experience in IT within the financial industry and overall 5 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. Responsible for the maintenance of the IT infrastructure of the Bank by providing first line support of software, hardware and networking that incudes installation, configuration and troubleshooting Manage day to day operational aspects of a project and scope To design, plan and deploy IT projects to enhance the existing IT infrastructure and also any applications required by the bank. End User Computing support for all staff. Coordinator between the London Users and Group IT Security on all requests for systems access and to ensure that such permissions are provided promptly, are regularly updated and that the Group Access Matrix Protocol is followed at all times Preserve the Assets of the Bank by implementing Disaster Recovery and back up procedures and ensuring that the standards comply with Group requirements Provide IT support to ensure the smooth running of daily and periodic reports for the London Compliance team to ensure adherence to the Anti Money Laundering Provisions Undertake Data Extraction for reporting requirements for all the other stakeholders at the bank To monitor the CCTV, telephony systems and door access systems and to ensure that they are well maintained with proper backup and that relevant maintenance procedures are applied Overall networking equipment monitoring (i.e. Network Switches, Firewall and other appliances) and support To plan and carry out maintenance checks to ensure IT Operations, infrastructures are running smoothly and ensure daily routine task completeness To maintain and ensure that the BCP site is always ready for continuous bank operations To maintain the branch PABX system and to ensure that the recording system is always up and running at all times The following is a list of technical skills required for the role: Technical/Functional skills Proficient in common operating systems Windows 10, Windows Server 2016 and above Redhat Linux based Operating System Software proficiency VMWare v6.7 and above Veeam Backup and Replication Symantec Endpoint Protection Symantec Endpoint Encryption ManageEngine Patch Manager Plus Microsoft Office 365 Networking (IT) Cisco Switches and Routers Fortigate Firewalls LAN/WAN Routing Hardware Dell PowerEdge Servers Dell PowerVault SAN Storage Project management Data analysis Personal skills (Soft Competencies [Core/Leadership]) Strong interpersonal skills Strong written and verbal communication skills (in English) Strong stakeholder engagement Bachelor or Master’s degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The salary for this role is in the range £35K - £40K. Please send your CV to us in Word format along with your salary and notice period.

Senior 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. 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 3 days in the office in Central London. Salary for this role will be in the range £55K - £60K. Do send your CV to us in Word format along with your salary and availability.

IT Senior Systems Support Engineer Our Client is a Bank based in the City of London, are looking to recruit an IT Senior Systems Support Engineer ideally with at least 5 to 7 years of experience in IT ideally from within the banking financial industry. You will be working in a small team managing the day-to-day technology infrastructure to ensure that the Bank can operate efficiently. The Client would like the following key skills: CCNP level networking Solarwinds – Service Desk Software experience Experience of Pal Alto firewalls Firemon – Network Security Devices and Policy Management Experience of Avaya PABX systems Responsible for the maintenance of the IT infrastructure of the Bank by providing first line support of software, hardware and networking that incudes installation, configuration and troubleshooting Manage day to day operational aspects of a project and scope To design, plan and deploy IT projects to enhance the existing IT infrastructure and also any applications required by the bank. End User Computing support for all staff. Coordinator between the London Users and Group IT Security on all requests for systems access and to ensure that such permissions are provided promptly, are regularly updated and that the Group Access Matrix Protocol is followed at all times Preserve the Assets of the Bank by implementing Disaster Recovery and back up procedures and ensuring that the standards comply with Group requirements Provide IT support to ensure the smooth running of daily and periodic reports for the London Compliance team to ensure adherence to the Anti Money Laundering Provisions Overall networking equipment monitoring (i.e. Network Switches, Firewall and other appliances) and support To plan and carry out maintenance checks to ensure IT Operations, infrastructures are running smoothly and ensure daily routine task completeness To maintain the AYAYA PABX system and to ensure that the recording system is always up and running at all times The following is a list of technical skills required for the role: Technical/Functional skills Proficient in common operating systems Windows 10, Windows Server 2016 and above Redhat Linux based Operating System Software proficiency VMWare v6.7 and above Veeam Backup and Replication Symantec Endpoint Protection Symantec Endpoint Encryption ManageEngine Patch Manager Plus Microsoft Office 365 Networking (IT) Cisco Switches and Routers Palo Alto Firewalls LAN/WAN Routing Hardware Dell PowerEdge Servers Dell PowerVault SAN Storage Project management Data analysis Personal skills (Soft Competencies [Core/Leadership]) Strong interpersonal skills Strong written and verbal communication skills (in English) Strong stakeholder engagement Bachelor or Master’s degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The salary for this role is in the range £55K - £65K. Please send your CV to us in Word format along with your salary and notice period.

IT Systems Network Support Engineer Our Client is a Bank based in Central London, are looking to recruit an IT Systems Support Engineer ideally with at least 2 years of experience in IT within the financial industry and overall 5 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. Responsible for the maintenance of the IT infrastructure of the Bank by providing first line support of software, hardware and networking that incudes installation, configuration and troubleshooting Manage day to day operational aspects of a project and scope To design, plan and deploy IT projects to enhance the existing IT infrastructure and also any applications required by the bank. End User Computing support for all staff. Coordinator between the London Users and Group IT Security on all requests for systems access and to ensure that such permissions are provided promptly, are regularly updated and that the Group Access Matrix Protocol is followed at all times Preserve the Assets of the Bank by implementing Disaster Recovery and back up procedures and ensuring that the standards comply with Group requirements Provide IT support to ensure the smooth running of daily and periodic reports for the London Compliance team to ensure adherence to the Anti Money Laundering Provisions Undertake Data Extraction for reporting requirements for all the other stakeholders at the bank To monitor the CCTV, telephony systems and door access systems and to ensure that they are well maintained with proper backup and that relevant maintenance procedures are applied Overall networking equipment monitoring (i.e. Network Switches, Firewall and other appliances) and support To plan and carry out maintenance checks to ensure IT Operations, infrastructures are running smoothly and ensure daily routine task completeness To maintain and ensure that the BCP site is always ready for continuous bank operations To maintain the branch PABX system and to ensure that the recording system is always up and running at all times The following is a list of technical skills required for the role: Technical/Functional skills Proficient in common operating systems Windows 10, Windows Server 2016 and above Redhat Linux based Operating System Software proficiency VMWare v6.7 and above Veeam Backup and Replication Symantec Endpoint Protection Symantec Endpoint Encryption ManageEngine Patch Manager Plus Microsoft Office 365 Networking (IT) Cisco Switches and Routers Fortigate Firewalls LAN/WAN Routing Hardware Dell PowerEdge Servers Dell PowerVault SAN Storage Project management Data analysis Bachelor or Master’s degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The salary for this role is in the range £35K - £40K. The Client is a bank based in Central London. Please send your CV to us in Word format along with your salary and notice period.

1. Périmètre Systèmes 🎯 Niveau d’expertise requis : Expert Missions principales Administration et gestion des serveurs Windows Gestion et administration de l’Active Directory (GPO, comptes, droits, sécurité) Administration avancée Microsoft 365 : Exchange Online (messagerie, sécurité, transport) SharePoint Online (gestion documentaire, droits) Microsoft Teams (gouvernance, téléphonie si applicable) Gestion des identités (Azure AD / Entra ID), MFA, Conditional Access Gestion des licences et optimisation des coûts Gestion des incidents N2/N3 Analyse et résolution des incidents complexes Participation aux projets d’évolution de l’infrastructure Rédaction et mise à jour de la documentation technique Veille technologique et recommandations d’amélioration 2. Périmètre Réseau & Sécurité 🎯 Niveau d’expertise requis : Avancé Environnement Réseau LAN principalement Administration de l’infrastructure réseau Environnement Aruba Networks (serait un plus) Administration sur console centrale et commutateurs (serait un plus) Environnement sécurité Fortinet Missions principales Administration et supervision du LAN Configuration et gestion des VLAN Gestion des équipements réseau (switches, bornes Wi-Fi) Support et diagnostic des incidents réseau Optimisation des performances et de la sécurité réseau Sécurité (Fortinet) Administration et exploitation des firewalls FortiGate Gestion des règles de filtrage, NAT et politiques de sécurité Mise en place et administration des VPN (IPsec / SSL) Analyse des logs et gestion des incidents de sécurité Participation au renforcement de la posture de cybersécurité

Au sein d’une équipe d'une quinzaine de personnes sur le pôle Infrastructure, vous serez en charge de la bonne exécution de la politique de Sécurité. Une grande partie de votre quotidien tournera autour de la partie Build, avec notamment la mise en place de nouvelles solutions en Sécurité. Vous devrez également analyser ce qui est déjà pratiqué en interne afin de proposer un programme d’optimisation et de durcissement de l’existant. En parallèle, vous serez amené à gérer les alertes et les réduire sur le moyen/long terme. Enfin, vous devrez également structurer les bonnes pratiques Sécurité avec la rédaction de la documentation, la mise en place de process interne et la sensibilisation des équipes. Environnement technique : Windows, Linux, Active Directory, Firewall, Anti-spam, Anti-virus, reverse proxy, PowerShell