Senior Linux System Administrator

Senior Linux Systems Administrator (DV Cleared / DV Eligible)\n
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Location: Near Reading (Hybrid)
Salary: Competitive + Bonus + Excellent Benefits + £5,000 DV Allowance (where applicable)

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\nSenior Linux Systems Administrator\n
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We're partnering with a leading organisation delivering secure technology solutions that support some of the UK's most critical national infrastructure programmes.

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This is an opportunity to join a highly skilled engineering team responsible for maintaining and evolving a large-scale data platform that underpins advanced cyber security and data science capabilities. Working within a DevOps environment, you'll help deliver continuous improvements across a secure, mission-critical infrastructure.

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Due to the nature of the work, candidates must be eligible to obtain Developed Vetting (DV) Security Clearance.

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\nThe Opportunity\n
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As a Senior Linux Systems Administrator, you'll play a key role in supporting and enhancing enterprise Linux environments while driving automation and operational excellence across the platform.

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You'll work alongside experienced infrastructure, security and DevOps engineers, solving complex technical challenges in an environment where reliability, performance and security are paramount.

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\nKey Responsibilities\n
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• Administer, maintain and optimise enterprise Linux server environments across production and development platforms.
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• Manage VMware vSphere infrastructure, including ESXi hosts, virtual machines and resource allocation.
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• Develop and enhance infrastructure automation using Ansible and related tooling.
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• Troubleshoot complex operating system, networking, storage and performance issues.
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• Support secure platform operations within a highly regulated environment.
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• Collaborate with engineering teams to deliver continuous improvements through DevOps best practices.
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• Assist with integration and interoperability between Linux and Windows Server environments where required.
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\nEssential Skills\n
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• Strong Linux administration experience (RHEL, Rocky Linux or similar)
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• Excellent troubleshooting and problem-solving skills
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• Shell scripting (Bash)
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• Infrastructure automation experience
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• Continuous Integration / DevOps experience
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• Strong understanding of enterprise IT infrastructure
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• Knowledge of IT security principles
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\nDesirable Experience\n
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• VMware vSphere / ESXi administration
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• Ansible or similar configuration management tools
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• Networking, storage and Linux permissions
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• Windows Server administration
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• Experience supporting highly secure or regulated environments
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\nSecurity Requirements\n
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Due to the sensitive nature of this work, applicants must be eligible to obtain Developed Vetting (DV) Security Clearance.

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To be eligible, you will typically need to have:

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• Lived in the UK continuously for the past 10 years.
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• Be willing to undergo comprehensive government security vetting.
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A DV allowance of £5,000 per annum may be payable whilst holding active clearance and working within a qualifying role.

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\nWorking Pattern\n
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• Based near Reading
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• Week 1: Monday-Friday on-site
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• Week 2: Monday-Thursday on-site, Friday remote
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• 37.5 hours per week
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\nBenefits\n
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• Annual performance bonus
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• Excellent pension contribution
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• Private healthcare options
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• 24/7 online GP for you and your immediate family
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• Enhanced family leave
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• Holiday purchase scheme
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• Flexible benefits package including dental and gym membership options
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• Ongoing technical training and career development
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• Opportunity to work on nationally significant technology programmes
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*Rates depend on experience and client requirements

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