Join a prestigious multidisciplinary consultancy with a team of 130 experts in London and over 50 offices across the UK They are expanding their Building Services division and are seeking a Senior/Principal Mechanical Design Engineer to lead their dynamic London team. In this role, you will have the opportunity to spearhead high-profile skyscraper projects globally, focusing on base builds, shell, and core designs with industry leaders, while gaining invaluable experience at the forefront of innovation. Their brand-new London offices, designed by their own engineers, showcase cutting-edge solutions that have reduced power consumption by 80%. This is a remarkable opportunity to be a part of a forward-thinking team in a pivotal position. The ideal candidate will have a minimum of 5 years experience in a building services consultancy, alongside a Bachelors degree in Mechanical Engineering or a related discipline. Proficiency in Revit MEP is essential, and experience with Hevacomp is highly valued. You should possess a deep understanding of U-value, heat loss, and heat gain calculations, as well as expertise in pipe sizing for systems such as LTHW, CHW, HWS, and CWS. Additionally, experience in pump, duct, and fan sizing, thermal modelling, and overall project leadership is required. This role offers an exceptional opportunity to apply your advanced expertise to large-scale, impactful projects. As a Senior/Principal Engineer, you'll lead a team of talented professionals, collaborating with industry-leading experts on high-security, large-scale buildings. You will guide the design and development processes while refining your skills and positioning yourself for continued leadership roles. The company is deeply committed to supporting your professional development, offering structured pathways for career progression and leadership opportunities. Along with a highly competitive salary and comprehensive benefits package, they provide flexibility to support your work-life balance. This is a prime opportunity to advance your career while contributing to transformative, global projects. Eden Brown is committed to equality in the workplace and is an equal opportunity employer.