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hackajob is partnering with CGI to fill this position. Create a profile to be automatically considered for this role—and others that match your experience.
CGI has been recognised in the Sunday Times Best Places to Work 2025 and named one of the ‘World’s Best Employers’ by Forbes.
We offer a competitive salary, strong pension, private healthcare, and a share scheme (3.5% + 3.5% matching), making you a CGI Partner rather than just an employee.
We are committed to inclusivity and diversity, building a strong community of tech talent and supporting careers across critical sectors, including the Armed Forces community.
This role sits within CGI’s Space, Defence and Intelligence business unit, focused on delivering secure, mission-critical systems for government clients.
Due to the secure nature of the work, candidates must either hold or be eligible for high-level UK Security Clearance (sole British nationality, 10 years UK residency, and strict travel limitations). The role is primarily onsite at a secure client location, 5 days per week.
As a Site Reliability Engineer, you will work on mission-critical systems, ensuring high availability, performance, and reliability across complex environments.
You will combine software engineering, automation, and infrastructure skills to build tooling, improve observability, and strengthen system resilience.
You will also work closely with engineering teams and clients to investigate incidents, reduce downtime, and continuously improve system performance.
At CGI, you’ll be part of a culture built on ownership, teamwork, respect, and belonging.
As a CGI Partner, you’ll work on complex, high-impact systems, contribute to engineering excellence, and collaborate with global teams. You’ll also benefit from strong learning opportunities and continuous career development support.
hackajob is partnering with CGI to fill this position. Create a profile to be automatically considered for this role—and others that match your experience.