Senior Linux SysAdmin – On-Site, DV Cleared

Randstad Technologies Recruitment; Old Warren; On-site; GBP 101,000 - 157,000; Full time

Job summary

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.

Qualifications

• Active UK DV clearance required.
• Strong Red Hat/Rocky Linux skills.
• Hands-on Ansible/Bash scripting experience.

Responsibilities

• System Health: Manage enterprise Linux and VMware vSphere environments.
• Automation: Use Ansible and Bash to automate server builds and tasks.
• Maintenance & Patching: Handle monthly OS/app updates and certificate renewals.
• Troubleshooting: Resolve complex network, OS, and storage performance issues.

Skills

Linux system administration

VMware

Ansible

Bash scripting

Security patching

Tools

VMware vSphere

Job description

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.