Find your next tech and IT Job or contract Infrastructure in Basingstoke

At CGI, you’ll play a vital role in assuring the quality and resilience of the infrastructure that underpins mission-critical defence systems. As an Infrastructure Test Engineer, you’ll work at the heart of Agile delivery teams, collaborating across disciplines to validate complex environments and ensure new capabilities are delivered with confidence. You’ll combine hands-on infrastructure knowledge with modern testing and DevOps practices, taking ownership of test activities while contributing creative solutions that strengthen delivery. Supported by a community of experts, you’ll help shape secure, scalable systems that make a real-world 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 at a high level or be eligible to go through this clearance. This position will require 5 days a week working onsite.