Trouvez votre prochaine offre d’emploi ou de mission freelance Sécurité informatique

oin CGI as a System Administrator and help keep secure, business-critical cloud infrastructure performing reliably for our clients. Based on site in Reading, you'll play an important role in monitoring system health, identifying potential issues and providing responsive first-line support within a highly secure environment. You'll have the autonomy to investigate alerts, use monitoring insights to solve problems and contribute to service improvements, while collaborating with experienced technical teams when more complex challenges arise. It's an opportunity to build your expertise across Linux and cloud infrastructure, contribute ideas that strengthen service performance, and develop your career within a supportive CGI community where your contribution has a visible impact. 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 is an office based position.

At CGI, we're helping organisations transform the way they deliver technology services by creating modern, resilient and customer-focused IT service management capabilities. As a Senior IT Service Management (ITSM) Consultant, you'll work with leading public and private sector clients to shape future operating models, improve service performance and deliver lasting business value. You'll collaborate with experienced consultants, architects and client stakeholders, taking ownership of meaningful transformation programmes while developing innovative solutions in an environment that supports your professional growth and empowers you to make a real impact. 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 is a hybrid position with expensed travel to client sites as required.

IT Senior Network Systems Engineer Our Client is a Bank based in the City of London, are looking to recruit an IT Senior Network Systems Engineer ideally with at least 7 to 10 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 Palo Alto firewalls Firemon – Network Security Devices and Policy Management Complex Switches experience is essential. 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 £70K - £80K. This is a 12 month FTC role. Please send your CV to us in Word format along with your salary and notice period.

Descriptif de la mission Notre client recherche un Ingénieur Cloud AWS afin d'intégrer ses équipes. Lors de cette mission, votre collaborateur devra effectuer les tâches suivantes : - Concevoir et implémenter les services et composants d'une plateforme AWS native - Analyser et challenger les architectures Cloud existantes pour les workloads critiques - Concevoir des solutions robustes pour le processing, la réplication, la synchronisation et la reprise après incident - Traduire les exigences de résilience, haute disponibilité et Disaster Recovery en solutions techniques - Implémenter l'infrastructure selon les principes Infrastructure as Code (IaC) et GitOps - Collaborer avec les équipes Platform, Infrastructure, Security et Application - Identifier les risques techniques, dépendances, Single Points of Failure et gaps opérationnels - Définir et documenter les procédures opérationnelles - Garantir des solutions automatisées, sécurisées, testables, maintenables et opérables - Participer à l'amélioration continue des standards et pratiques d'ingénierie

Job Title: AI Automation Tester Location: London (Hybrid, Minimum 2 Days Onsite per Week) Contract Length: 12 Months IR35 Status: Inside IR35 Rate: Negotiable We are currently recruiting for multiple AI Automation Tester positions to support a major client programme. This is an exciting opportunity to join a high-profile AI initiative, helping to ensure the quality, reliability, and performance of cutting-edge AI-powered solutions. Working as part of a collaborative delivery team, you will be responsible for designing and executing automated testing across the AI solution landscape, covering both traditional software testing and AI-specific validation activities. The Role As an AI Automation Tester, you will play a key role in validating AI-driven applications and services, ensuring they meet functional, performance, integration, and quality standards. You will be responsible for building and maintaining automated testing frameworks while evaluating AI responses and behaviours to ensure consistent and reliable outcomes. You will work closely with developers, architects, and business stakeholders to support the successful delivery of enterprise-scale AI solutions. Key Skills & Experience Test Automation | API Testing | Functional Testing | Integration Testing | Regression Testing | Performance Testing | AI Response Evaluation | Test Data Management | Continuous Testing Key Responsibilities * Design, develop, and execute automated test strategies for AI-powered applications. * Perform functional, integration, regression, and performance testing. * Validate AI-generated responses, outputs, and behaviours against defined requirements. * Develop and maintain automated testing frameworks and test suites. * Support API testing and integration validation across complex systems. * Manage test data and ensure effective test coverage across the solution lifecycle. * Collaborate with development teams to identify, troubleshoot, and resolve defects. * Contribute to continuous testing practices within an agile delivery environment. What We're Looking For * Proven experience in test automation and software quality assurance. * Strong understanding of API testing methodologies and tools. * Experience executing functional, integration, regression, and performance testing. * Familiarity with AI, machine learning, or generative AI solutions. * Experience evaluating AI responses and validating AI-driven functionality. * Strong analytical and problem-solving skills. * Ability to work effectively within multidisciplinary agile teams. Why Apply? * Join a major AI transformation programme. * Work with cutting-edge AI technologies and solutions. * Collaborate with experienced technical and delivery teams. * Long-term contract opportunity. * Hybrid working arrangement with a minimum of two days onsite in London. If you are an experienced AI Automation Tester and would like to learn more about this opportunity, I'd be delighted to arrange a brief call to discuss the role in more detail. 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. A multiple award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over consecutive 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.

Job title: AI Developer (Backend & Frontend) Location: London (Hybrid, Minimum 2 Days Onsite per Week) Contract Length: 12 Months IR35 Status: Inside IR35 Rate: Negotiable We are currently recruiting for multiple AI Developer opportunities to support a major enterprise AI programme. These roles offer the chance to work at the forefront of AI innovation, developing intelligent applications and solutions that leverage the latest advancements in Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and modern cloud technologies. We are seeking both Backend AI Developers and Frontend AI Developers who are passionate about building scalable, secure, and user-focused AI solutions within a collaborative delivery environment. The Role As an AI Developer, you will play a key role in designing, developing, and integrating AI-powered applications and services. You will work closely with architects, engineers, and business stakeholders to deliver innovative solutions that drive business value and enhance user experiences. Depending on your specialism, you will contribute to backend AI services, frontend user interfaces, or a combination of both. Essential Skills & Experience Python | LLM Integration | Prompt Engineering | RAG Architectures | Vector Databases | Embeddings & Tokenisation | AWS Services | Git / Version Control | REST APIs | Authentication, Authorisation, Firewalls & API Gateway Frontend Experience (For Frontend Developers) React or Other Modern Web Frameworks | TypeScript | UX Implementation | API Integration Desirable Skills MCP (Model Context Protocol) | IBM watsonx Orchestrate | CI/CD Pipelines What We're Looking For * Experience developing AI-enabled applications using modern frameworks and technologies. * Strong understanding of LLM integration and prompt engineering techniques. * Experience designing and implementing RAG-based solutions. * Knowledge of vector databases, embeddings, and tokenisation concepts. * Experience working with cloud platforms, particularly AWS. * Strong API development and integration skills. * Understanding of secure application design, authentication, authorisation, and API gateways. * Ability to work effectively within agile, multidisciplinary teams. Why Apply? * Join a high-profile AI transformation programme. * Work with cutting-edge AI technologies and frameworks. * Collaborate with industry-leading technical teams. * Contribute to the development of innovative enterprise AI solutions. * Long-term contract opportunity with flexible hybrid working arrangements. If you are an experienced AI Developer and would like to learn more about this opportunity, I'd be delighted to arrange a brief call to discuss the role in more detail. 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. A multiple award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over consecutive 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.