Job Title: Windows andamp; Linux Infrastructure EngineerClearance Type: Active SC Clearance Location: Hybrid - Cirencester, Gloucestershire (mostly remote andamp; expenses for all site travel) Day Rate: £340 per day - payable to Limited Company/Outside IR35 Duration: 12 months initially Pay Frequency: Weekly Start Date: ASAPandnbsp;Overview We are looking for experienced SC Cleared Infrastructure Engineers/3rd Line Server Engineers to support a large-scale Windows andamp; Linux server migration. This is a hands-on Infrastructure Engineer role focused on server configuration, validating automation, troubleshooting issues, and supporting the new environment post-migration.andnbsp;Key Responsibilities Support migration of Windows andamp; Linux Servers to a new environment Validate automated migrations (Quest) and resolve any failures manually Migrate core services including Active Directory, DNS, file systems, and storage Troubleshoot and resolve OS-level and migration issues Support application teams with integration and post-migration stabilisation Configure environments for high availability, patching, backup, and monitoring Identify risks, gaps, and dependencies across the environment Support separation activities and ensure production readiness Maintain documentation and contribute to knowledge transfer Requirements Previous experience as an Infrastructure Engineer or 3rd Line Server Engineer Active SC Clearance Strong Windows Server skills - Active Directory, DNS, GPO S