Senior QA Automation Engineer Long-Term Contract | London | Active DV Required I'm working with a specialist organisation delivering cutting-edge solutions across the National Security and Defence sector, seeking an experienced Senior QA Automation Engineer to join a long-term programme based onsite in London. This is an opportunity to work on highly secure, mission-critical systems alongside software engineers, test specialists and technical delivery teams. What You'll Be Doing Design and develop automated test frameworks and scripts Improve and maintain automated testing capability Investigate defects and perform root cause analysis Work closely with developers and test analysts Drive testing best practice and automation standards Contribute to continuous improvement initiatives Support delivery of secure, high-assurance systems Required Experience Active DV Clearance (MOD DV accepted) Proven Test Automation Engineering experience Strong Python development skills PowerShell scripting C# and/or Java Test framework development and maintenance Automated functional and integration testing ISTQB certification or relevant degree Experience within secure, defence or government environments What's On Offer Long-term contract engagement Competitive day rate High-profile National Security programme Complex and technically challenging work Long-term project stability Opportunity to work alongside highly skilled engineersCall Claire Thomas - (phone number removed)