Senior Linux SysAdmin – On-Site, DV Cleared

Randstad Technologies Recruitment seeks a Senior Linux Systems Administrator to own a large, 100% on-premise Big Data platform supporting UK Critical National Infrastructure. Based in Reading, you will maintain mission-critical systems, ensure security, and keep services running smoothly.

Key tasks include managing Linux (RHEL/Rocky) and VMware vSphere, automating with Ansible and Bash, applying monthly updates, renewing certificates, and performing proactive checks.