Red Hat Infrastructure Support Engineer Location: South West UK (site confidential) - on-site, 5 days per week Duration: 12 months (with likely extensions) Clearance: Enhanced DV clearance (active required) Join a vital, mission-critical programme supporting a secure, air-gapped IT environment. Our client is hiring for a dedicated Red Hat Infrastructure Support Engineer to help maintain and support a large RHEL estate, ensuring operational stability, security, and compliance within a highly secure setting. If you thrive in challenging environments and have a passion for supporting national defence infrastructure, this could be the opportunity for you. What youll be doing: * Managing and supporting a large x86-based RHEL environment (versions 7/8/9) * Ensuring system stability, security, and compliance in a secure, air-gapped environment * Following strict change, incident, and problem management protocols * Performing system patching, upgrades, and monitoring to maintain optimal performance * Contributing to the development and improvement of Standard Operating Procedures (SOPs) * Collaborating with a team to uphold high standards of security and operational resilience What youll bring: * Active eDV clearance * Proven experience as a RHEL System Administrator * Strong knowledge of x86 server architecture * Familiarity with ITIL-based processes (change, incident, problem management) * Experience working within air-gapped or highly secure environments * Proficiency in patching, upgrades, and system monitoring * Ability to follow and enhance SOPs Desirable skills: * Experience with Red Hat Satellite, Foreman, or similar lifecycle management tools * Basic scripting skills (Bash, Python) for automation tasks * Knowledge of storage technologies (LVM, NFS, SAN) * Understanding of networking fundamentals (VLANs, DNS, DHCP) Attributes we value: * Attention to detail and thorough documentation * Ability to work within strict security and compliance frameworks * Strong team player with excellent communication skills * Dedicated to supporting mission-critical objectives and values * Experience with service management tools (e.g., ServiceNow, BMC Remedy) If youre ready to contribute your skills to a vital national programme and meet the challenge of working in a secure environment, we want to hear from you. Apply now to join a team making a real difference.