Network Engineer (Information Technology)

At CGI, you’ll play a key role in strengthening the digital backbone of mission-critical defence programmes. As an Infrastructure Support Engineer, you will help ensure the reliability, security, and performance of the platforms that keep our clients’ operations moving. Here, you’ll be trusted to take ownership, supported by a community of experts, and encouraged to explore new ways of delivering resilient, high-value infrastructure for the future. 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. 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 requires five days a week on site working. You’ll be empowered to take ownership of problems, apply creative thinking to technical challenges, and work within a supportive team to deliver high-quality outcomes. You will maintain core infrastructure technologies, troubleshoot complex issues, and support an on-call rota to ensure business-critical services are available around the clock. Provide technical support across VMware Cloud Foundation, Tanzu, VxRail, Data Domain, and key management systems. Administer & Maintain: Manage Windows Server environments, Hyper-V, and routine system upkeep. Track performance, contribute to continuity planning, and enhance infrastructure resilience. Respond & Resolve: Participate in an on-call rota to address critical incidents effectively. To succeed, you should bring hands-on experience in infrastructure or support engineering, ideally within a defence environment. You’ll need a solid foundation across core infrastructure technologies, strong communication skills, and a willingness to develop your expertise further through training and certification. Proven background in infrastructure or support engineering. Knowledge of VMware, Microsoft, or security technologies (certifications or willingness to work toward them). Exposure to DevOps technologies (GitLab, Harbor, FluxCD, Kubernetes). Familiarity with Elastic for monitoring and analytics. Come join our team-one of the largest IT and business consulting services firms in the world….