Mechanical Design Engineer

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 standards About 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) desirable What’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 development Interested? 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)