Principal Mechanical Design Engineer - fully remote

Principal Mechanical Engineer Fully Remote (UK) £65,000 – £72,000 + Benefits Are you an experienced Mechanical Engineer with a strong background in residential building services design, looking for the freedom and flexibility of a fully remote role? A fast-growing and forward-thinking building services consultancy is seeking a Principal Mechanical Engineer to take a leading role in the delivery of a diverse and expanding portfolio of residential developments across the UK. This is a senior position within the business, offering full ownership of project delivery from concept through to completion, with a focus on delivering innovative, sustainable, and commercially robust engineering solutions. The Role As Principal Mechanical Engineer, you will lead the mechanical discipline across a wide range of residential projects, acting as a key technical authority within the business. You will be responsible for ensuring design quality, driving project success, and supporting the continued development of the wider engineering team. Key Responsibilities Lead the mechanical design and delivery of residential building services projects across all RIBA stages Take full ownership of projects from feasibility and concept design through to construction and handover Produce and review calculations, specifications, reports, and technical documentation Provide technical leadership, mentoring, and support to engineers across the team Develop and maintain strong relationships with clients, developers, architects, and contractors Act as a trusted technical advisor, ensuring high-quality and commercially sound outcomes Coordinate effectively with multidisciplinary design teams Promote sustainable, low-energy, and innovative engineering solutions Ensure projects are delivered on time, within budget, and to the highest technical standardsAbout You We are looking for a confident, self-sufficient engineer with strong residential sector experience and the ability to lead projects independently in a remote environment. You will ideally have: A degree in Mechanical Engineering, Building Services Engineering, or a related discipline Minimum 6 years’ experience within a building services consultancy Strong, demonstrable experience in residential project delivery (essential) Proven ability to lead projects and manage client relationships Strong technical knowledge of HVAC systems, mechanical design principles, and UK Building Regulations Excellent communication and stakeholder management skills A proactive, self-motivated approach suited to remote working Chartered status or working towards chartership (CIBSE, IMechE, IET or equivalent) desirableWhat’s on Offer Fully remote working anywhere in the UK Genuine flexibility and autonomy – no office requirement Opportunity to join a rapidly growing and ambitious consultancy Lead delivery on a strong pipeline of residential projects nationwide Collaborative, quality-focused culture with strong technical support 26 days annual leave plus bank holidays Clear progression opportunities and long-term career developmentInterested? If you’re an experienced residential Mechanical Engineer looking for a Principal level role that is fully remote, we’d love to hear from you. Please contact Callum via (url removed)