Mechanical Design Engineer Location: Cheltenham, fully onsite Duration: 6 months Rate: Market rates (Inside IR35) Clearance: SC clearable (start on BPSS), UK Eyes OnlyResponsibilities Design and document short-term safety mitigations for production test equipment (e.g., safety enclosures, mechanical modifications) Contribute to long-term design changes to bring existing test equipment up to new safety standards Review, capture, and document existing equipment designs Produce and maintain mechanical drawings and supporting technical documentation Coordinate closely with systems experts, safety team, operations, and other stakeholders Deliver quick, efficient design outputs appropriate for a fast-paced production environment Consider operator safety (immediate compliance) alongside longer-term maintainability and design directionSkillset / Experience Required Mechanical design engineering experience (ideally production / manufacturing / defence environment) Strong SolidWorks capability (SolidWorks is available for new drawings) Comfortable producing and interpreting mechanical drawings and technical documentation Flexible, hands-on mindset-able to deliver pragmatic, compromise solutions quickly when needed Strong communication and stakeholder management (safety/ops/systems collaboration)Desirable Experience with Creo and/or Visio (a lot of legacy drawings are currently in Visio) Pneumatics exposure (advantageous, not mandatory)