Our client, a leader in the defence and security sector, is currently seeking an Integration & Systems Validation Engineer to join their Integration and Systems Validation (ISV) team within the Weapon System Simulation and Experimentation (WSSE) department. This is a permanent role situated in a dynamic and growing area focusing on driving innovation and excellence in systems integration and testing for digital simulation and experimentation products. Key Responsibilities: Reporting to the ISV in WSSE Team Lead, you will be responsible for: Test/Proving Planning Understanding customer needs/requirements from a proving perspective Understanding design/architecture including input to test bed needs Test planning, design, and specification Test/Proving Conduct Regular progressive assurance testing during software development Supporting technical investigations into defects and emergent behaviours Supporting external software integration with other engineering partners and customers Data analysis of logs Conducting formal qualification Test/Proving Reporting Regular reporting to project lead and stakeholders on software functionality Writing test/analysis reports for certification Support to software delivery/release process including certification Job Requirements: Understanding of systems proving and knowledge of how to test and certify complex systems throughout the development lifecycle Experience in functional and/or software testing, and verification and validation (V&V) knowledge Proficiency in tools like GitLab, Jenkins, Python scripting, IBM ALM ETM/Doors, PLM, JIRA, Excel, and basic Macros Ability to understand different levels of the system and the different stakeholder's perspectives Dynamic and proactive approach with strong self-management skills Experience in monitoring the achievement of milestones and targets, identifying risks, and producing contingency plans Benefits: Company bonus: Up to £2,500 (based on company performance) Pension: Maximum total (employer and employee) contribution of up to 14% Opportunity for paid overtime Flexi Leave: Up to 15 additional days Flexible working arrangements Enhanced parental leave: Up to 26 weeks for maternity, adoption, and shared parental leave Fantastic site facilities including subsidised meals, free car parking and more Healthcare Cash Plan: Claim cashback on everyday healthcare expenses If you are an experienced Integration & Systems Validation Engineer seeking a new opportunity to advance your career in the defence and security sector, we would love to hear from you. Apply now to join our client's innovative and collaborative team.