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.