Infrastructure Test Engineer - Secure Cloud Infrastructure (SC Clearance) Position Description At CGI, our Space, Defence and Intelligence business unit delivers mission-critical systems that help keep the UK safe and secure. As an Infrastructure Test Engineer, you will play a vital role in assuring the performance, resilience, and security of complex infrastructure platforms across cloud and on-premise environments. Working on high-impact programmes, you will help deliver quality-driven outcomes through rigorous testing and automation. You''ll take ownership of validation processes, contribute innovative approaches to testing, and collaborate with expert teams in an environment that supports continuous development and meaningful 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