Senior Test Engineer / Test LeadCorsham/Hybrid - 3 days per week onsiteUp to 600 per day Inside IR35Active DV clearance - Sole UK National We are seeking an experienced Senior Test Engineer / Test Lead to support a critical, secure technology programme in Corsham.You will take ownership of the testing strategy and delivery across a Platform as a Service (PaaS) environment, ensuring the quality, reliability, performance and security of platform services and user-facing functionality.The role will involve a combination of manual and automated testing, alongside developing test plans, managing test coverage, monitoring performance and reporting findings to senior stakeholders.Key ResponsibilitiesOwn and oversee test coverage, ensuring test cases are appropriately prioritised across different testing phases.Develop and manage structured testing schedules, including verification and validation activities.Define, monitor and report on key testing metrics, identifying trends, risks and areas for improvement.Ensure testing is delivered iteratively and incrementally, enabling early identification and resolution of defects.Raise and manage engineering tickets to address issues identified during testing.Produce monthly testing metrics and management information for service reviews.Communicate testing progress, risks and issues to the Platform Management Team and senior stakeholders.Work closely with technical teams and customer representatives to ensure testing meets programme ..... full job details .....