Linux System Administrator

Linux System AdministratorLocation: Gloucestershire, UK (On-Site)Employment Type: Full-time, Mid-Senior levelAbout the OpportunitySanderson is collaborating with a leading global technology organisation delivering mission-critical infrastructure and secure digital services across the public sector. The team is expanding and looking for Senior Linux System Administrators to join a high-performing environment working on nationally significant projects.You’ll be part of a skilled technical team responsible for maintaining and improving secure Linux environments, ensuring stability, performance, and compliance. The role offers hybrid working and exposure to some of the most advanced secure computing environments in the UK.Key ResponsibilitiesProvide 1st and 2nd line technical support for Linux-based systems and infrastructureMonitor overall system performance, proactively identifying risks or issuesDevelop and maintain system documentation and operational proceduresImplement, support, and maintain standards, policies, and procedures for continual service improvementCollaborate with internal teams to enhance automation and system reliabilityEssential Skills & ExperienceStrong knowledge of Linux system administration (RHEL/CentOS 6/7/8)Experience working to ITIL best practicesExcellent organisation, time management, and troubleshooting skillsA proactive mindset focused on process improvement and root cause analysisStrong communication skills and willingness to share knowledge within a teamDesirable TechnologiesAutomation tools: Ansible, PuppetRed Hat ecosystem: Satellite 6, OpenShift 3/4, RHEL Atomic/CoreOSScripting: Bash, Python, GitCloud: AWSSolid understanding of command line interfaces (CLI)Security Clearance RequirementsDue to the nature of the work, candidates must be eligible for national security clearance. To meet this requirement, applicants must:Be sole British citizens (dual nationality is not permitted)Have not spent more than 30 consecutive days outside the UK in the past 10 yearsHave no criminal recordHave no significant financial irregularities (e.g. bankruptcy, outstanding debts)Unfortunately, candidates who do not meet these criteria cannot be considered for this position.Why You’ll Enjoy Working HereCompetitive salary and comprehensive benefits packageHybrid working environment with flexible optionsAccess to industry-leading learning & development resourcesOpportunities to work on high-impact, mission-critical projectsA strong emphasis on collaboration, wellbeing, and career growth