Senior Mechanical Engineer x 2 Inside IR35 12 months £53.90 per hour As a Senior Mechanical Engineer, you will play a pivotal role in the design and development of submarine systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to steer design architecture across a major submarine programme. Lead design activities of Hydraulic / Mechanical systems, sub-systems and equipment for the next generation Royal Navy submarines. Undertake functional design activities, modelling and analysis. Produce design documentation, Verification & Validation evidence and safety justifications. Support specification qualification and procurement of components, working collaboratively with suppliers. Engaging with stakeholders across the cross-functional project team. Driving engineering governance through peer reviews and design reviews. Your skills and experiences: Essential: Strong experience in the design of hydraulic/mechanical systems - ideally in complex, safety-critical environments (e.g. maritime, aerospace, defence, nuclear, oil & gas and sub-sea). Familiarity with systems and equipment involving; hydraulic power units (HPUs), variable frequency dives (VFDs), control cabinets, pumps, electric motors, hydraulic actuators, hydro-static transmissions and fluid mechanics.