Senior Linux System Administrator (DV Cleared)

Randstad Technologies Recruitment; Reading; On-site; GBP 101,000 - 138,000; Full time

Job summary

Randstad Technologies Recruitment seeks a Senior Linux Systems Administrator for a 6-month, on-site contract in the Reading area. The role requires DV clearance and involves owning a large on-premise Big Data platform, ensuring systems are patched, secure, and continuously running.

You will manage Linux and VMware environments, automate builds with Ansible/Bash, and perform monthly maintenance and troubleshooting to keep critical infrastructure available.

Qualifications

• Active UK DV clearance required.
• Strong Red Hat or Rocky Linux expertise.
• VMware vSphere experience.
• On-site location in Reading area; private transport needed.

Responsibilities

• Maintain enterprise Linux (RHEL/Rocky Linux) and VMware vSphere environments.
• Automate server builds and routine tasks using Ansible and Bash.
• Apply monthly OS/app updates, certificate renewals, and proactive disk checks.
• Troubleshoot complex network, OS, and storage performance issues.

Skills

Automation

System administration

Troubleshooting

Tools

Ansible

Bash

VMware vSphere

RHEL/Rocky Linux

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).