Safran is an international high-technology group, operating in the aviation (propulsion, equipment and interiors), defense and space markets. Its core purpose is to contribute to a safer, more sustainable world, where air transport is more environmentally friendly, comfortable and accessible. Safran has a global presence, with 100,000 employees and sales of 27.3 billion euros in 2024, and holds, alone or in partnership, world or regional leadership positions in its core markets. Safran is in the 2nd place in the aerospace and defense industry in TIME magazines Worlds best companies 2024 ranking. Safran Electronics & Defense offers its customers onboard intelligence solutions allowing them to understand the environment, reduce mental load and guarantee a trajectory, even in critical situations, in all environments: on land, at sea, in the sky or space. The company harnesses the expertise of its 13,000 employees towards these three functions: observe, decide and guide, for the civil and military markets. What do we offer? Competitive salary Company performance bonus scheme Pension scheme - up to 10% employer contribution Private medical insurance Comprehensive health cash plan 25 days annual leave bank holidays Flexible benefits programme (buy & sell holiday allowance, discounted gym memberships, Maternity/ adoption leave- up to 52 weeks, first 26 weeks at full pay, subsequent 26 at 50% (basic pay) and Paternity/Non-Pregnant Parent/ Co-adopter leave 4 weeks full pay) Structured training & opportunities to progress What does the role look like? As a Senior Development Engineer, you will play a key role in generating verification and qualification test evidence to demonstrate compliance with customer requirements. You will lead and execute development and qualification testing activities, working with a high degree of autonomy while supporting programme delivery. Operating within a multi-disciplinary Integrated Project Team, you will translate technical requirements into robust test definitions, manage test execution (on-site and off-site), and ensure the highest standards of technical integrity, process compliance and documentation. What will your day-to-day responsibilities look like? Interpret customer requirements and generate formal Qualification Test Procedures Define and specify test equipment to support qualification activities Plan and manage qualification testing (on-site and external facilities) Set up and execute development and qualification tests (strength, fatigue, endurance, vibration and environmental testing) Monitor, record and analyse test data, supporting failure investigations where required Coordinate off-site testing activities including transport, rig set-up and commissioning Produce high-quality qualification and development documentation and reports Present results clearly to stakeholders Maintain strong EH&S standards and drive good housekeeping practices What will you bring to the role? Essential skills: Proven experience executing hardware qualification and environmental testing within a regulated engineering environment Strong capability in test data analysis, failure investigation and technical report writing Experience managing and coordinating qualification testing activities (on-site and off-site) Desirable skills: Experience with hydro-mechanical and/or electro-mechanical actuation systems Familiarity with rig software such as LabVIEW or DIAdem Electrical testing knowledge (e.g. bonding, EMC) Experience specifying or commissioning test rigs Exposure to non-standard test methodologies and process improvement initiatives