Principal Design Engineer (Mechanical) An excellent opportunity has arisen for a Senior / Principal Mechanical Design Engineer to join a national building services consultancy. This is a permanent, full-time role operating within an agile and flexible working framework, based from a UK office with hybrid working available. About the role You will join a collaborative team of mechanical, electrical and low-carbon engineers delivering high-quality, sustainable building services design. As a national consultancy with a strong UK footprint, the business works across a broad range of sectors including healthcare, education, residential, commercial, industrial, pharmaceutical, public sector and net-zero carbon projects. The role offers significant autonomy, technical responsibility and client exposure, with clear progression opportunities for the right individual. Key responsibilities Acting as Project Lead on selected mechanical building services projects Working as part of a wider multi-disciplinary team on larger schemes Attending client, design team and principal meetings, including presentations Providing technical leadership and mentoring to junior mechanical engineers Raising and promoting technical excellence within the mechanical discipline Developing into a key point of contact for strategic clients Supporting repeat business through strong client relationships Delivering technically challenging projects across mult...