Salary: £64,000 - 104,000 per year Requirements: Active security clearance Strong background in Linux engineering Experience supporting enterprise Linux platforms in public sector secure environments Extensive knowledge of system stability, performance, security, and troubleshooting across a range of Linux-based services Significant experience in delivering Linux-based development activities Experience building and maintaining development environments Experience containerising applications and services RHCSA - Red Hat Certified System Administrator (desirable) Red Hat Certified Engineer (desirable) LFCS - Linux Foundation Certified System Administrator (desirable) Responsibilities: Support enterprise Linux platforms in public sector secure environments Ensure system stability, performance, security, and troubleshoot Linux-based services Deliver Linux-based development activities including building and maintaining development environments Containerise applications and services as needed Technologies: Support Linux Security DevOps More: We are Summer-Browning Associates, currently supporting a central government client seeking a Senior Linux Infrastructure Engineer for an initial six-month assignment with the option to extend. This position is based in Milton Keynes with hybrid working opportunities. We are looking for candidates with a strong focus on Linux engineering and a proven track record in enterprise environments. last updated 21 week of 2026