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Dans le cadre d’un projet majeur de refonte du système d’information, l’ingénieur infrastructure SI H/F, interviendra en support direct des architectes techniques réunis en collége d’architectes. Le périmètre couvre l’ensemble des domaines d’infrastructure : réseaux, systèmes, hébergement, middleware, bases de données, serveurs web, annuaire Active Directory, ainsi que la mise en oeuvre de solutions de sécurité et de délivrance applicative. Le poste constitue un rôle clé pour assurer la cohérence technique des choix, la formalisation des livrables et la réussite des déploiements. En tant qu'Ingénieur infrastructure vos mission seront de: * Participer aux comités d’architecture et en assurer le suivi. * Recueillir et formaliser les patterns, standards et bonnes pratiques validés par l’équipe architecture. * Contribuer à la déclinaison technique des éléments échangés lors des comités d’architecture avec l’architecte référent du domaine concerné. * Contribuer à la rédaction, l’évolution et la mise à jour du LDD (Low Level Design). * Appuyer les architectes dans la préparation et le suivi des POC.

Opportunity : IT Infrastructure Project Manager (IBM z/OS et WebSphere MQ) Mainframe IBM z/OS environment expertise Strong knowledge of IBM WebSphere MQ (Message Queueing) Manage projects portfolio Develop strategic roadmaps and detailed project plans. Support and coach projects and programs. Prepare schedule progress reports, trending charts and schedule analysis. Ensure alignment with the client's portfolio controls governance and objectives. Contribute as SME to the development of governance, processes, and training materials. Coordinate implementation plan with project site teams and escalate areas of misalignment and improvement. Responsible to define the work scope and prepare overall schedules and budgets on various sized projects

Head of IT Infrastructure and Security In summary we are looking to recruit an all-round individual with expert knowledge and hands-on experience of IT Infrastructure coupled with Security, Compliance & Risk Management You must have upwards of 10 years hands-on expertise in IT Infrastructure combined with Security and Risk – ideally from within the banking or insurance sector. The Head of IT Infrastructure and Security Lead is responsible for overseeing the organization's IT operations, ensuring the stability, continuity, security, and efficiency of its technology platforms within a global commercial insurance environment. Some of the key points to consider for this role are: • Define and enforce cloud security policies, identity management, and access controls to protect systems, networks, and data. • Oversee the adoption of zero-trust security principles to enhance protection across cloud platforms. • Manage identity and access management (IAM) in a cloud-first environment, including Azure AD, MFA, Conditional Access, SSO, and Privileged Access Management (PAM). • Lead threat monitoring, detection, and response using cloud-native security solutions such as Microsoft Defender, Sentinel, and SIEM platforms. • Ensure compliance with cloud security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Technology: • Microsoft Azure Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, • Microsoft AD (Entra), Server and SQL experience, • O365 administration and design • Microsoft 365 & Azure: Strong experience managing Microsoft 365 (Exchange, SharePoint, Teams), Azure cloud infrastructure, and security tools such as Microsoft Defender and Sentinel. • Security & Compliance: Deep knowledge of security frameworks (ISO 27001, NIST, CIS), compliance requirements (GDPR, SOC2), and risk management best practices. Summary: • Problem-Solving & Decision-Making: Capable of making informed decisions and resolving complex IT issues in a fast-paced environment. • Stakeholder Engagement: Ability to communicate effectively with technical and non-technical stakeholders, including senior leadership and business users. The role will involve managing a Cloud environment in a team of 4 Technical people. Managing 6 different suppliers which include Security, IT Networks, Hosting and Servers and 3rd party software. The aim of the role is to bring the MSP's (suppliers of hardware and software) to the same page for the stakeholders and the Board and ensure technology is running smoothly. The Client is a financial organization based in the City of London. This is a hybrid position with 3 days in the office. The salary for this role will be in the range £85K - £95K plus Excellent Benefits. Do send your CV to us in Word format along with your salary and notice period.

Dans le cadre du renforcement de la gouvernance IT au sein d’un grand groupe international du secteur luxe / cosmétique , nous recherchons un Service Delivery Manager Réseau & Sécurité . Vous interviendrez sur un périmètre mondial, au sein d’environnements exigeants, multiculturels et à forte visibilité. L’objectif de la mission est d’assurer la supervision, la performance et la fiabilité des services Réseau et Sécurité, tout en accompagnant les évolutions et les projets d’amélioration continue. Vous serez garant du respect des SLA et KPI définis, ainsi que de la bonne application des processus ITIL (incident, problème, changement, capacité, disponibilité).

Description détaillée Nous recherchons pour le compte de notre client un Administrateur Réseaux & Sécurité. Voici les réalisations attendues : - Mener et Participer à la mise en production des changements sur l'infrastructure Réseau & des équipements de sécurité: expérience avérée en firewalls - Palo Alto, Checkpoint, OCI et Forti fortement souhaitée, - Assurer la cohérence technique du périmètre Infrastructure Réseaux avec d'autres périmètres (Services Cloud - Azure, GCP, Gitcloud, NSG, NSX, Services sur des sites distants, ...), - Participer à la mise en œuvre solutions d'architecture d'infrastructures Datacenter Réseau & des équipements de sécurité (Services Firewall, Équipements Cœurs de réseau) via notamment l'implémentation des exigences de sécurité. Le profil a pour principales activités : l’analyse (en cohérence avec les stratégies de sécurité de l’équipe RSSI) des demandes d’ouverture de flux pour implémenter les règles sur les différents environnements techniques l’ assistance aux demandeurs pour interconnecter via VPN Ipsec les partenaires l'assistance aux demandeurs pour le troubleshooting des problématiques de flux l’assistance aux demandeurs dans leur demandes d’ouverture de flux Astreinte possible en cas de la nécessité du projet.

Senior IT Engineer with OKTA Our Client seeks a Senior IT Engineer to support the employee population, analyze current systems and assets, recommend and implement solutions and upgrades, and provide IT related training. The ideal candidate will have extensive knowledge of network maintenance and experience managing staff. Knowledge of the Art industry is a plus. From day one, the Senior IT Engineer will have an immediate impact on the day-to-day efficiency of the IT operations, and an ongoing impact on it’s overall growth. Purpose of the Role: – Lead large IT projects, including the design and deployment of new IT systems and services – Maintain essential IT operations, including operating systems, security tools, applications, servers, email systems, laptops, desktops, software, and hardware – Own projects, solutions, and key responsibilities within a larger business initiative – Handle business-critical IT tasks and systems administration – Research and evaluate emerging technologies, hardware, and software – Track and maintain hardware and software inventory Responsibilities: – Monitor performance of information technology systems to determine cost and productivity levels, and to make recommendations for improving the IT infrastructure – Help define IT infrastructure strategy, architecture, and processes – Analyze business requirements by partnering with key stakeholders across the organization to develop solutions for IT needs – Assess vendors and develop test strategies for new hardware and software – Troubleshoot hardware and software issues related to internal IT – Supervise daily operations of network and server infrastructure – Align IT infrastructure with current and future business requirements and goals – Evaluate risk, develop network recovery and backup processes – Assess and purchase new and replacement hardware – Test, troubleshoot and adjust information systems to operate effectively – Implement security of the network, data and its storage and communication systems – Ensure network components meet business needs and work together seamlessly, using the full range of capabilities, and stay informed about new features and competitive solutions – Train employees on both software and hardware, troubleshoot, and provide technical support when needed – Develop and execute disaster procedures, and maintain data backups – Manage information technology and computer systems – Identify problematic areas and implement strategic solutions in time – Preserve assets, information security and control structures – Proven working experience as an IT Manager or relevant experience – Excellent knowledge of technical management, information analysis and of computer hardware/software systems – Expertise in data center management and data governance – Hands-on experience with computer networks, network administration and network installation Qualifications and requirements: – Bachelor’s degree in Information Technology, Computer Science, Information Systems, or a related field, or equivalent experience – 5–7 years experience in IT management – Experience leading and managing large IT projects and rolling out IT infrastructures across various technologies – Excellent working knowledge of computer systems, security, network and systems administration, databases and data storage systems, and phone systems – Strong critical thinking and decision-making skills – Excellent project management skills and strong ability to prioritize – Firm grasp on IT infrastructure and operations best practices – Experience across different software solutions, including: desktop operating systems (MS Windows, MacOS), server operating systems (MS Windows, Linux), cloud-based technologies (Google Workspaces, AWS, SD-WAN), SaaS solutions (Okta SSO, Dynamics365, Microsoft365), mobile (iOS, Android), backup and recovery procedures, and system performance monitoring – Experience across different hardware solutions, including: Cisco Switches/Routers, Meraki/Palo Alto Firewalls, Meraki Wireless Access Points; Cisco Unified Communications. – Expertise with implementing, configuring, and testing solutions – Proven leadership skills – Strong creative and analytical thinking – Professional certifications preferred (i.e. A+, Network+, CCNA, MCP) The position is based in Central London. The salary is competitive and will be circa £45K - £60K. Please send your CV to us in Word format along with your salary and availability.

We are currently seeking a Senior IT Support Manager. In this role, you will perform support for our employee population, analyze our current systems and assets, recommend and implement solutions and upgrades, and provide training. Our ideal candidate has extensive knowledge of network maintenance, experience managing staff, and advanced industry knowledge to keep us on the cutting edge. From day one, you’ll have an immediate impact on the day-to-day efficiency of our IT operations, and an ongoing impact on our overall growth. Objectives of this Role ●Lead large IT projects, including the design and deployment of new IT systems and services ●Maintain essential IT operations, including operating systems, security tools, applications, servers, email systems, laptops, desktops, software, and hardware ●Own projects, solutions, and key responsibilities within a larger business initiative ●Handle business-critical IT tasks and systems administration ●Research and evaluate emerging technologies, hardware, and software ●Track and maintain hardware and software inventory Responsibilities for IT Manager ●Monitor performance of information technology systems to determine cost and productivity levels, and to make recommendations for improving the IT infrastructure ●Help define IT infrastructure strategy, architecture, and processes ●Analyze business requirements by partnering with key stakeholders across the organization to develop solutions for IT needs ●Assess vendors and develop test strategies for new hardware and software ●Troubleshoot hardware and software issues related to internal IT ●Supervising daily operations of network and server infrastructure ●Aligning IT infrastructure with current and future business requirements and goals ●Evaluating risk, developing network recovery and backup processes ●Assessing and purchasing new and replacement hardware ●Testing, troubleshooting and adjusting information systems to operate effectively ●Implementing security of the network, data and its storage and communication systems ●Ensure network components meet business needs and work together seamlessly, using the full range of capabilities, and stay informed about new features and competitive solutions ●Train employees on both software and hardware, troubleshoot, and provide technical support when needed ●Develop and execute disaster procedures, and maintain data backups ●Manage information technology and computer systems ●Identify problematic areas and implement strategic solutions in time ●Preserve assets, information security and control structures ●Proven working experience as an IT Manager or relevant experience ●Excellent knowledge of technical management, information analysis and of computer hardware/software systems ●Expertise in data center management and data governance ●Hands-on experience with computer networks, network administration and network installation Qualifications for IT Manager ●Bachelor's degree in Information Technology, Computer Science, Information Systems, or a related field, or equivalent experience ●5-7 years experience in IT management ●Experience leading and managing large IT projects and rolling out IT infrastructures across various technologies ●Excellent working knowledge of computer systems, security, network and systems administration, databases and data storage systems, and phone systems ●Strong critical thinking and decision-making skills ●Excellent project management skills and strong ability to prioritize ●Firm grasp on IT infrastructure and operations best practices ●Experience across different software solutions, including: desktop operating systems (MS Windows, MacOS), server operating systems (MS Windows, Linux), cloud-based technologies (Google Workspaces, AWS, SD-WAN), SaaS solutions (Okta, Dynamics365, Microsoft365), mobile (iOS, Android), backup and recovery procedures, and system performance monitoring. ●Experience across different hardware solutions, including: Cisco Switches/Routers, Meraki/Palo Alto Firewalls, Meraki Wireless Access Points; Cisco Unified Communications. ●Expertise with implementing, configuring, and testing solutions ●Proven leadership skills ●Strong creative and analytical thinking ●Professional certifications preferred (i.e. A+, Network+, CCNA, MCP)

Nous recherchons un(e) Consultant(e) Réseaux & Télécoms Senior afin de renforcer notre équipe IT Europe & Moyen-Orient (EMEA). Vous serez l’expert(e) technique de référence pour toutes les problématiques réseaux et télécommunications au siège ainsi que dans l’ensemble des filiales de la région. Ce poste stratégique combine expertise technique , pilotage de projets et accompagnement des équipes locales , dans un environnement international exigeant et stimulant. Missions principales Expertise & leadership technique : être le référent réseau & télécoms pour la région EMEA et accompagner les équipes locales. Projets (40 %) : concevoir, architecturer et déployer des infrastructures réseau (Cisco, Aruba, Fortinet), piloter les projets et définir les standards techniques. Opérationnel (60 %) : assurer le support niveau 3, surveiller et optimiser la performance réseau, garantir la disponibilité 24/7 via une participation aux astreintes. Sécurité : mettre en place et maintenir des solutions robustes (pare-feux, IPS/IDS, Zscaler). Collaboration internationale : travailler avec des équipes globales, documenter les architectures et vulgariser les aspects techniques auprès de différents interlocuteurs.

We are seeking a seasoned Senior Network Transformation Specialist/ Architect (Fixed, Enterprise) to lead and execute large-scale digitalization and network transformation initiatives. The ideal candidate will have extensive experience driving measurable business outcomes through consulting, pre-sales, solution design, testing, and advanced automation. This role demands leading end-to-end network transformation across Fixed, IP/MPLS, SD-WAN, FTTx, and Telco Cloud domains. This is a 6 months contract initially and the role is outside IR35. Location is Newbury and the successful candidate will be required to work 2 days per week in the office and 3 days remote. Candidates will need to complete BPSS check before starting the role. Key Responsibilities: The successful candidate will be responsible for, but not limited to, the following core duties: Define end-to-end architecture across IP/MPLS, SR/SRv6, SD-WAN, FTTx, Broadband, and Telco Cloud environments. * Define and implement Network-as-a-Service (NaaS) and Network-as-a-Platform (NaaP) frameworks - enabling on-demand, API-driven, and intent-based network capabilities aligned with TMF Open APIs and MEF LSO standards. * Standardize service catalogs and product specifications in line with TMF models (TMF620, TMF622, TMF638, TMF641, etc.). * Lead AI/GenAI-driven automation strategies for predictive assurance, self-healing, and network optimization targeting measurable OPEX reduction. * Oversee multi-vendor integration and multi-cloud orchestration across OSS/BSS, IP, SD-WAN, and Telco Cloud systems. * Drive transformation programs to modernize legacy OSS/BSS stacks into modular, API-exposed digital ecosystems. * Enable and scale Enterprise Business services - including managed SD-WAN, VPN, Broadband, and Hybrid Network offerings; ensure SLA, QoS, and service assurance compliance. * Mentor architecture and delivery teams; influence stakeholders and customers on future-state designs and transformation strategy. Qualifications Required Skills and experience : Candidates must possess a demonstrated history of technical depth and leadership, evidenced by the following skills * Core: IP/MPLS, SR/SRv6, SD-WAN (multi-vendor environments including Cisco, Juniper, Fortinet, Versa, etc.), FTTx, Broadband, Telco Cloud, Network Automation. * Strategic: NaaS/NaaP enablement, TMF/MEF alignment, Service Catalogs, API exposure. * Automation & Cloud: Cloud-native architectures, AI/GenAI in Operations, observability frameworks. * Transformation: OSS/BSS modernization, intent-based orchestration, service abstraction. * Leadership: Solution governance, stakeholder management, and multi-domain delivery experience. Soft Skills and Leadership: * Proven capability in Strategic Planning and Execution. * Strong ability to drive Cross-functional Collaboration with diverse teams. * Demonstrate excellence in Problem Solving and Innovation. * Experience thriving in environments focused on innovation, efficiency, and continuous improvement LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

Nous recherchons un Ingénieur Réseau & Sécurité pour rejoindre un prestigieux client bancaire basé à Troyes. Vous serez responsable de la cohérence, de la sécurité et de la haute disponibilité des infrastructures réseau (LAN, WAN, Wifi, VPN, Firewall), de la gestion des incidents, mises à jour, montées de versions et performances. Vous participerez aux projets on-premise et cloud, assurerez le support aux équipes, les astreintes et veillerez à la qualité opérationnelle. Mission de 6 mois renouvelable, démarrage janvier 2026.

Contexte La Direction Stratégie & Architecture d’Entreprise assure le lien entre la stratégie du groupe et les feuilles de route IT. Elle définit les normes, standards et patterns à privilégier, garantit la cohérence globale de l’architecture et veille à ce que l’entreprise investisse au bon moment dans les bons systèmes et services. L’équipe accompagne également les Directions Métiers dans la transformation stratégique du SI et intervient sur trois axes principaux : Proximité avec les Directions Métiers : soutien à la construction de la vision cible des SI métier. Accompagnement des projets de transformation SI : alignement avec le plan stratégique et cohérence avec le cadre de référence. Diffusion et valorisation du patrimoine informatique : mise à disposition de référentiels capacitaires et partage de la connaissance. Missions principales Réaliser des études de transformation cible du SI, avec un niveau de restitution adapté aux instances managériales, dans une démarche d’architecture d’entreprise. Assurer la cohérence des solutions avec le cadre de référence et les exigences non fonctionnelles. Instruire avec le métier, les experts techniques et les architectes les scénarios d’architecture, les estimations de coûts ("T-Shirt Sizing") et les différentes trajectoires pour atteindre la cible. Faire valider les solutions cibles auprès de la direction informatique. Accompagner les Directions SI et Métiers dans la construction de leur stratégie de transformation SI (Schéma Directeur SI) et de la feuille de route associée. Alimenter, documenter et cartographier les référentiels et principes d’architecture.

IT Infrastructure Project Manager : Manage projects portfolio Develop strategic roadmaps and detailed project plans. Support and coach projects and programs. Prepare schedule progress reports, trending charts and schedule analysis. Ensure alignment with the client's portfolio controls governance and objectives. Contribute as SME to the development of governance, processes, and training materials. Coordinate implementation plan with project site teams and escalate areas of misalignment and improvement. Responsible to define the work scope and prepare overall schedules and budgets on various sized projects.

La mission consiste en : Accompagnement de l’Architecte Réseau Référent du Groupe Formalisation des cas d’usage et des propositions technico-économiques associées Participation aux ateliers techniques et rédaction des comptes-rendus associés Contribution à la définition des BoM(s)6 Contribution à la rédaction des documents d’architecture technique générale (DATG) Relecture et validation des documents d’architecture technique détaillée (DATD) Le Prestataire sera tenu de fournir les livrables suivants : Compte rendu des ateliers d’architecture ; Note de cadrage de projet - Expression de besoins techniques & fonctionnels ; Dossier de décision ; Document d’Architecture Technique Générale « DATG » et schémas associés. Tous les documents devront être rédigés en anglais.

Elevate your potential with CGI, a global technology service provider and premier business consultancy recognized by Forbes Magazine as a top 100 employer. Our mission is rooted in evolution, excelling in intricate challenges. Collaborating directly with our clients, we employ innovative technologies to revolutionize, empower, safeguard, and deliver critical mission systems. CGI is a leading provider of ground segment software and IT for space missions. We support some of the most advanced satellite systems in the world, designing and supporting ground segment command and data processing systems, as well as network architecture. This is an opportunity to join a growing team supporting the development of operational mission-critical systems. We are looking for an architect, who has an existing background in Communications or Space Technology, to support ground segment software and network solutions developed with our SatCom customers. Our solutions cover network management, operations support, and mission planning, often using cutting edge optimization techniques. This role will be hybrid, based in Leatherhead, Reading, London, Bristol or Leicester as base-office. Some short trips to Europe may be required for customer meetings. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance.

Data Solutions/Fibre Architect| OUTSIDE IR35| Reading, UKIntroduction Our client, in the Telecom/Fibre sector, is seeking a skilled and innovative Data Solutions/Fibre Architect to join their team on a contract basis. Key Responsibilities Designing scalable and efficient architectures for data integration and telecommunications systems. Developing comprehensive solutions for active and passive network assets, including OLT (Optical Line Terminals), ONT/ONU (Optical Network Terminals/Units), switches, routers, and fibre optic cables. Collaborating with cross-functional teams to ensure optimized deployment of DWDM and CWDM equipment alongside power supply and cooling systems. Skills and Expertise Architectural Design: Expertise in creating robust, scalable solutions tailored to network needs. Data Integration: Proficiency in seamlessly integrating complex systems to ensure data flow continuity. Active and Passive Network Assets: Hands-on experience working with optical networks, switches, fibre optics, and related infrastructure. Cloud Platforms: Extensive knowledge of AWS, GCP, or Azure to support cloud-based initiatives in telecommunications. Please click to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement. To find out more about Computer Futures please visit Computer Futures, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales

Missions : Dans le cadre d’un projet de transformation numérique au sein d’un grand acteur bancaire, vous êtes missionné en tant que Manager de Transition Réseaux & Sécurité pour piloter l’évaluation, l’optimisation et la sécurisation de l’infrastructure existante. Votre rôle consiste à assurer la continuité de service tout en menant des actions concrètes de refonte, de sécurisation et de montée en compétences des équipes. Vos tâches seront les suivantes : ● Audit et Diagnostic : ○ Réaliser un audit complet de l'infrastructure réseau existante. ○ Évaluer les risques et les vulnérabilités de sécurité. ● Gestion de Projet : ○ Définir et piloter les projets d'amélioration et de transformation du réseau. ○ Coordonner les équipes internes et les prestataires externes. ● Implémentation et Supervision : ○ Mettre en œuvre les solutions de sécurité réseau (firewalls, VPN, IDS/IPS). ○ Superviser les opérations quotidiennes de l'infrastructure réseau et sécurité. ● Formation et Transition : ○ Former les équipes internes aux nouvelles procédures et outils. ○ Assurer une passation de connaissances en fin de mission pour garantir la continuité des opérations. ● Documentation et Reporting : ○ Documenter toutes les actions menées, les configurations mises en place, et les procédures de sécurité. ○ Produire des rapports réguliers sur l’état du réseau et les incidents de sécurité.