Principal Mechanical Design EngineerLocation: Warrington, UKCompany: Global Nuclear Engineering OEMSalary: 75,000 basic + Excellent Pension + Flexible and Hybrid Working + Outstanding Benefits About the Principal Mechanical Design Engineer Role:We are seeking a Principal Mechanical Design Engineer to join a global leader in nuclear engineering, based near Warrington.This is a senior-level opportunity to lead the design and development of bespoke, complex, and heavy mechanical handling and process machinery. You''ll be instrumental in delivering high-integrity systems for the nuclear sector, overseeing projects from FEED (Front-End Engineering Design) through to final delivery. This role offers the chance to shape technical direction, mentor engineering teams, and influence innovation in a highly regulated and safety-critical environment. Key Responsibilities of Principal Mechanical Design EngineerLead and oversee the mechanical design of custom-engineered systems for nuclear and industrial applications.Manage full project lifecycle from concept and FEED to detailed design, manufacture, and delivery.Apply advanced CAD (e.g., SolidWorks, Inventor) and FEA (e.g., ANSYS, Abaqus) tools to develop and validate robust designs.Ensure compliance with industry codes and standards (ASME, BS EN, RCC-M, etc.).Provide technical leadership and mentorship to design teams, fostering a culture of engineering excellence.Collaborate with cross-functional teams including project management, ..... full job details .....