DV Cleared Linux Engineer - Secure MOD Infra (On-site)

CBSbutler Holdings Limited trading as CBSbutler; East Hampshire; On-site; GBP 101,000 - 120,000; Full time

Job summary

CBSbutler Holdings Limited (trading as CBSbutler) is seeking an experienced Linux Engineer with active DV clearance for a fully on-site role in Hampshire. The candidate will manage enterprise Linux platforms within a secure MOD environment, focusing on security, resilience and performance.

Responsibilities include installation, patching, troubleshooting, upgrades, and collaboration with cross-functional teams to maintain compliant, high-availability systems. DV clearance is mandatory.

Qualifications

• DV clearance is essential.
• MOD/Defence sector experience required.
• Strong hands-on Linux administration experience.

Responsibilities

• Administering and supporting enterprise Linux environments.
• Installing, configuring, patching, and maintaining Linux servers.
• Troubleshooting complex infrastructure and OS issues.
• Supporting upgrades, migrations, and platform improvements.
• Collaborating with infrastructure, network, security, and project teams.
• Monitoring system health, performance and availability.
• Producing and maintaining technical documentation and procedures.
• Ensuring compliance with security policies.

Skills

Linux administration

DV clearance

MOD/Defence experience

Security

Tools

Red Hat

Rocky Linux

Ubuntu

Virtualization

Job description

CBSbutler Holdings Limited (trading as CBSbutler) is seeking an experienced Linux Engineer with active DV clearance for a fully on-site role in Hampshire. The candidate will manage enterprise Linux platforms within a secure MOD environment, focusing on security, resilience and performance.

Responsibilities include installation, patching, troubleshooting, upgrades, and collaboration with cross-functional teams to maintain compliant, high-availability systems. DV clearance is mandatory.