Site Reliability Engineer (DV Security Clearance)

At CGI, we deliver mission-critical technology solutions that help protect the UK’s national interests and support some of the country’s most important programmes. As a Site Reliability Engineer, you will play a key role in ensuring the reliability, scalability and performance of critical services, helping teams deliver resilient platforms that operate at scale. Working within a collaborative and innovative environment, you will have the opportunity to influence platform strategy, automate complex processes, and drive continuous improvement while being supported in developing your skills and career. Your work will directly contribute to operational excellence and the successful delivery of high-impact outcomes for our clients. 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 role will be based on a secure site.