Summer-Browning Associates are currently supporting our Central Government client who are seeking an OAT Tester an initial 6 month contract. Service Location: Glasgow (2-3 days p/w)Design, develop, and execute OAT test plans and scripts based on operational requirements. Validate system performance under expected load conditions. Ensure backup, recovery, monitoring, and alerting mechanisms are functioning correctly. Collaborate with infrastructure, application, and support teams to ensure readiness for production deployment. Identify and document defects, risks, and operational gaps. Participate in release planning and provide go/no-go recommendations based on test results. Maintain test environments and ensure they reflect production configurations. Support incident and problem management processes during testing phases. Required Skills and Experience: Proven experience in Operational Acceptance Testing or similar roles (e.g., QA, DevOps, Systems Testing). Strong understanding of ITIL processes and operational readiness. Familiarity with system monitoring tools, backup solutions, and disaster recovery procedures. Experience with scripting languages (e.g., PowerShell, Bash) and automation tools. Excellent analytical and problem-solving skills. Strong communication and documentation abilities. NB: The successful applicant will be vetted/eligible for SC Clearance. To apply, please submit latest CV for consideration ..... full job details .....