Linux Specialist
Job in
Hampshire, Hampshire County, England, UK
Listed on 2026-07-24
Listing for:
CBSbutler Holdings Limited trading as CBSbutler
Full Time
position Listed on 2026-07-24
Job specializations:
-
IT/Tech
Unix/Linux, Systems Administrator, Cybersecurity, Systems Engineer
Job Description & How to Apply Below
+12 months +
+On site in Hampshire
+Outside IR35
+£550 - £650 a day
+DV cleared role - current active clearance is essential
+Sole British national only - due to the nature of the project
We're looking for an experienced DV Cleared Linux Specialist to join a high-profile Defence programme supporting critical secure infrastructure within an MOD environment.
This is a fully on-site role based in Hampshire, offering the opportunity to work on business-critical systems where security, resilience, and performance are paramount. You'll become part of an experienced technical team responsible for maintaining, supporting, and enhancing Linux-based platforms across a highly secure environment.
As a Linux Specialist, you'll be responsible for the administration, maintenance, and optimisation of enterprise Linux environments, ensuring systems remain secure, available, and operating at peak performance.
Key responsibilities include:
Administering and supporting enterprise Linux environments.
Installing, configuring, patching, and maintaining Linux servers.
Troubleshooting complex infrastructure and operating system issues.
Supporting system upgrades, migrations, and platform improvements.
Working closely with infrastructure, network, security, and project teams.
Monitoring system health, performance, and availability.
Producing and maintaining technical documentation and operational procedures.
Ensuring compliance with MOD security policies and operational standards.
Essential Experience
Current DV (Developed Vetting) clearance.
Previous MOD or Defence sector experience is essential.
Strong hands-on experience administering Linux operating systems (Red Hat Enterprise Linux, Rocky Linux, Oracle Linux, Ubuntu, or similar).
Experience with Linux system installation, configuration, patching, and troubleshooting.
Good understanding of enterprise infrastructure, including storage, virtualisation, networking, and server technologies.
Experience working within highly secure or mission-critical environments.
If you'd like to discuss this Linux Specialist role in more detail, please send your updated CV to (url removed) and I will get in touch
Additional Information / Benefits
Outside IR35 Hybrid working
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