2nd/3rd Line Platform EngineerContract | £600-£650 per day | Inside IR35 Location: MOD Corsham (primary) with flexibility at MOD Abbey Wood Clearance: DV Cleared (UK Nationals only)We are seeking two experienced 2nd/3rd Line Platform Engineers to support and develop a secure MOD platform within a highly controlled defence environment. This is a hands-on contract role focused on operational stability, automation, and continuous platform improvement.Key ResponsibilitiesProvide 2nd/3rd line support across incident, problem, and change managementPerform root cause analysis and resolve complex infrastructure issuesMaintain and improve automation using Ansible, AutoFS, and GoCDAdminister Linux (RHEL/CentOS) and Windows Server systems, including patching and configurationSupport Citrix and virtualised platforms including VMware vSphere and vRAMonitor system health using SCOM and other enterprise monitoring toolsCollaborate with engineering teams and mentor junior colleaguesEssential ExperienceStrong background in 2nd/3rd line platform or infrastructure engineering, ideally within secure or defence environmentsSolid experience with Linux and Windows Server administrationHands-on automation experience using AnsibleWorking knowledge of Citrix, VMware vSphere, and vRAExperience with Git, Nexus, and CI/CD pipelinesFamiliarity with SCOM, Jumpboxes, AutoFS, and log rotationActive DV clearance (mandatory)DesirableExperience with Vault, FreeIPA, Katello, Galaxy, or GoCDKnowledge of DA, MECM