Linux Engineer / Administrator

UK Wide (100% Remote)
Active SC Clearance Required

We're hiring a mid-level Linux Engineer to support and maintain enterprise platforms across multiple UK public sector clients. This is a fully remote role where you'll work within a collaborative infrastructure team, solving problems and ensuring stable, secure environments.

• Build, configure, and administer Red Hat Enterprise Linux (RHEL 8/10) systems
• Support day-to-day operations, incidents, and platform stability
• Perform system administration, patching, and performance tuning
• Troubleshoot issues across distributed environments
• Contribute to ongoing platform improvements and automation
• Work across mixed estates with some Unix (AIX) exposure

• 5+ years Linux Engineering experience (mid-level)
• Strong experience with RHEL (v8 essential, v10 desirable)
• Proven ability in system administration, server builds, and configuration
• Good troubleshooting and problem-solving skills
• Some Unix/AIX exposure (preferred)
• Active SC Clearance (must not be expired)

• Competitive salary
• 10% pension
• Performance-related bonus (up to 10%)
• Fully remote working anywhere in the UK
• Supportive team environment working on public sector platforms

• On-call rota: 1 week in 6-7 (low call-out volume, standby required)
• Backfill role due to retirement
• 1-stage interview: 1-hour technical with Manager/Lead

GCS is acting as an Employment Agency in relation to this vacancy.