Senior Linux System Administrator - DV Security Cleared

Applicants must hold active and valid Developed Vetting (DV) security clearance to be considered for this opportunity. Unfortunately, applications from candidates without current DV clearance cannot be progressed.An opportunity is available for a DV Cleared Senior Linux System Administrator to join a specialist security team supporting a secure, large-scale big data platform for a UK critical national infrastructure programme.The platform supports a suite of cutting-edge cybersecurity and data science tools, with the team using DevOps methodologies to deliver continuous improvements in response to evolving security requirements.Key Responsibilities Administer, maintain and optimise Linux server environments across production and development platforms Manage VMware vSphere/ESXi infrastructure, including virtual machines, resource allocation and host configuration Develop and maintain automation using Ansible or equivalent tools to streamline deployments, configuration and routine tasks Develop and maintain Bash and Shell Scripts Troubleshoot complex Linux, networking, storage, permissions and performance issues Support secure IT infrastructure and CI/CD environments Support interoperability with Windows Server environments where required Contribute to continuous improvements across a highly secure big data platformEssential Skills Strong Linux administration experience with RHEL, Rocky Linux or similar VMware vSphere/ESXi administration Ansible or equivalent infrastructure ..... full job details .....