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 technical documentation and runbooks * Follow change management and incident management processes * Wo...