Senior Linux System Administrator (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

Senior Linux Systems Administrator

Rate: £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 required

The Role

Looking 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 & 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 & 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).