Principal Mechanical Engineer – Electric Machine & rotor systems Permanent Greater Norwich Area ARCA is proud to partner with an innovative engineering organisation at the forefront of next-generation electric propulsion technology. This pioneering company is developing advanced electric machine solutions that are shaping the future of high-performance, efficient propulsion systems. As part of continued growth, they are seeking an experienced Principal Mechanical Engineer to play a leading role in the development of cutting-edge electric motor technology from concept through to production readiness. This is an outstanding opportunity for a senior engineer with deep expertise in electric machine mechanical design, thermal management, and validation to join a highly collaborative and technically ambitious engineering environment. The Opportunity As Principal Mechanical Engineer, you will take ownership of the mechanical and thermal design of advanced electric motors, ensuring robust, manufacturable, and high-performing solutions capable of operating reliably in demanding real-world environments. Working closely with multidisciplinary engineering teams across electromagnetic, controls, manufacturing, and testing, you will drive the full development lifecycle - from early-stage concept design through analysis, testing, validation, and transition into production. Key Responsibilities * Lead the mechanical design and ...