Reporting to the IT Linux Team Lead, the Senior Linux System Administrator acts as the senior technical member of the Linux System Administration team. They provide an escalation point for more junior team members and for the IT Service Desk, and act as the primary technical reference point for automation, scripting, and infrastructure standards. In addition to performing routine maintenance, 3rd line technical support, and project work, the postholder will play a key role in the Linux estate's ongoing modernisation: leading OS lifecycle projects, driving Ansible adoption across managed servers, reducing technical debt in scripting and automation, and providing informal day‑to‑day technical mentorship to junior members of the team. Reporting to the Linux Team Lead, the Senior Linux System Administrator will be responsible for providing 3rdline IT support to the JD business - including detection, recording, analysis, and resolution of incidents received via phone, email, and intra...