We are seeking a skilled Linux Engineer/Linux Systems Administrator to take ownership of our client's large scale Linux environment consisting of approximately 100 Servers. This role will focus on Business-as-Usual (BAU) operations, maintenance, stability and performance, while also contributing to an ongoing infrastructure modernisation programme. This is an excellent opportunity for a technically strong Linux professional who enjoys both operational responsibility and forward-looking project work. Key Responsibilities BAU & Operational Support . Administer, monitor, and maintain circa 100 Linux Servers across production and non-production environments . Perform system patching, upgrades and security hardening . Manage user access, permissions and authentication services . Troubleshoot performance issues, outages and system alerts . Maintain high availability, reliability and up time standards . Manage backups, restores and disaster recovery processes Modernisation & Project Work . Contribute to infrastructure improvement and automation initiatives . Support migration, consolidation or upgrade projects . Assist with cloud, virtualisation or containerisation initiatives where applicable . Identify opportunities for efficiency, performance and cost optimisation Documentation & Governance . Maintain clear te...