System Administrator

4 weeks ago


Farnborough, United Kingdom Talent Locker Full time

System AdministratorUp to £55,000 | Permanent | Farnborough (onsite 3–5 days/wk, hybrid flexibility)National Security & Defence | SC Cleared (DV eligible)Keep critical systems reliable, secure, and up to date across multiple environments. You’ll own monitoring, patching, and hardening workflows that underpin a high-profile programme.Core FocusProactively monitor and triage alerts (Elastic)Maintain resilient network connectivity across the estateRun vulnerability assessments (Nessus) and action SOC outputsImplement firewall upgrades and configuration changesManage WSUS for controlled Windows patch deploymentsMaintain Linux repositories and oversee patching cycles (pre-prod → prod)EssentialsProven System Administration in secure/enterprise environmentsHands-on with Linux and Windows ServerPatching at scale (WSUS, Linux repos) and firewall managementUnderstanding of network protocols and core cyber security principlesFamiliar with Elastic monitoring, Nessus, and SOC workflowsDesirablesCertifications: CompTIA Security+, Microsoft Certified / Azure Administrator, or similarClearance & Working PatternActive UK SC required; willing and eligible for UK DVFarnborough based; hybrid possible, onsite 3–5 days/week as neededIf you take pride in clean operational execution and secure-by-default systems, this is a solid fit.



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