We’re working with a forward-thinking, sustainability-driven engineering and contracting business. They deliver Net Zero, low energy building design, mechanical & electrical contracting, and integrated building services solutions across education, healthcare, commercial, residential, social housing and retrofit sectors. They pride ourselves on innovation, environmental impact, and full life-cycle project delivery. This is a fantastic opportunity with a clear path to a Directors role. As they grow, they’re looking for an experienced M&E Design Manager to lead the design team and ensure robust, efficient mechanical & electrical systems for a range of sustainable building projects. Your Role & Key Responsibilities As M&E Design Manager, you will: * Lead and manage the mechanical and electrical design function, ensuring projects are delivered to time, cost, and quality expectations * Oversee design of HVAC, plumbing, ventilation, electrical distribution, controls, lighting, and energy systems in buildings across diverse sectors * Drive continuous improvement—evaluate and introduce new technologies, methods, processes, and standards across company’ M&E portfolio * Oversee the transition of schematic / conceptual designs (2D or preliminary) into full 3D models (e.g. in CAD / BIM systems) * Supervise creation of accurate component and assembly drawings, specifications, and produce Bills of Materials (BoMs) ready for procurement and construction * Apply design for manufacture, value engineering, life-cycle cost analysis, and sustainability criteria in all design decisions * Liaise with external specialists, suppliers, subcontractors and manufacturers to agree specifications, coordinate interfaces, and drive constructability * Engage with cross-functional teams (architecture, structural, energy, sustainability) both internally and with external stakeholders, including international collaborators * Identify process efficiency and design improvements in current systems and designs * Support or oversee prototyping, commissioning, and performance evaluation of systems where required * Mentor and develop junior designers and engineers, driving best practice, standards, and knowledge sharing Qualifications & Experience Required Essential * Degree / HND / NVQ / equivalent qualification in Mechanical / Electrical Engineering, Building Services, or similar field * Significant experience in mechanical and/or electrical building systems design in a building services or contracting environment * Proven track record managing a design team or function (leading multiple concurrent projects) * Strong design capabilities in HVAC, ventilation, plumbing, lighting, power, controls, and electrical distribution * Hands-on experience in producing detailed drawings, system layouts, specifications, and BoMs * Comfortable with value engineering and cost-/performance tradeoff decisions * Strong technical software skills (CAD, BIM, modeling, analysis tools) * Excellent communication and stakeholder management skills, with ability to work with international and multi-disciplinary teams * Self-motivated, detail-oriented, proactive, creative, and able to manage a complex workload Desirable * Experience in the sustainability / low-energy / Net Zero / retrofit building sector * Previous exposure to or knowledge of building services in healthcare, education, or social housing * Familiarity with M&E contracting processes, site coordination, and construction interface * Understanding of controls systems (BMS), IoT, metering and energy monitoring * Some experience in electrical engineering or basic electronics theory * Experience of prototyping, commissioning, testing or performance evaluation What's On Offer Opportunity to play a critical leadership role in delivering Net Zero and sustainable building solutions Exposure to diverse, high-impact projects across multiple sectors Collaborative, innovative and values-driven culture Professional development, training and mentorship Flexible/hybrid working arrangements (office project sites) Competitive remuneration and benefits package