Senior Linux Systems AdministratorRate: Competitive (Inside IR35)Location: Reading area (100% on-site Driver essential)Duration: 6-month contract (High chance of extension)Work Pattern: 9-day fortnight (Alternate Fridays off)Clearance: Active UK DV Clearance requiredThe RoleLooking for a high-rate contract with a genuine work-life balance? We need a Senior Linux Systems Administrator to take ownership of a massive, 100% on-premise Big Data platform supporting UK Critical National Infrastructure. You''ll join a solid team in Reading, keeping mission-critical systems patched, secure, and running smoothly.What you''ll be doing day-to-day:System Health: Manage enterprise Linux (RHEL/Rocky Linux) and VMware vSphere environments.Automation: Use Ansible and Bash to automate server builds and routine tasks.Maintenance and Patching: Handle monthly OS/app updates, certificate renewals, and proactive disk/system checks.Troubleshooting: Dig into complex network, OS, and storage performance issues.What you need to bring:Clearance and Vetting: Active UK DV clearance.Technical Setup: Strong Red Hat or Rocky Linux skills, VMware familiarity, and hands-on Ansible/Bash scripting.Logistics: Personal transport (there''s zero public transport access to the site).Hit apply with your updated CV to set up an initial chat or share your CV to (url removed)Randstad Technologies is acting as an Employment Business in relation to this vacancy. ..... full job details .....