Linux & Cloud Systems Administrator – Secure Infra (Onsite Reading)

CGI is seeking a System Administrator for the BOREALIS team to manage secure cloud infrastructure on-site in Reading. You will monitor health, respond to alerts, and support mission-critical systems in a highly secure environment.

The role requires sole UK National status with eligibility for UK Security Clearance and a five-day-a-week on-site presence. You’ll work with experienced teams and contribute to ongoing service improvements and reliability.

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