Senior​/Associate Mechanical Design Engineer

Job Title:Senior / Associate Mechanical Design Engineer
Location:Bristol (Hybrid - 3 days in office, 2 days WFH)
Salary:Up to £75,000 (dependent on experience)
Contract Type:Permanent, Full-Time

An exciting opportunity has arisen for a Senior or Associate Mechanical Design Engineer to join an established and highly regarded building services consultancy. This is a senior‑level position offering genuine involvement in technically varied and high‑profile projects across a diverse range of sectors, with a clear pathway for progression within a collaborative and ambitious team.

You will be responsible for leading the mechanical design of building services schemes from feasibility and concept through to detailed design, specification, and construction support – covering RIBA Stages 1 through to 6. The role demands both technical depth and client‑facing confidence, and sits within a consultancy that prides itself on long‑standing client relationships, innovative design, and a commitment to net‑zero and sustainability outcomes.

• Lead the mechanical design of building services installations across a variety of project types and sectors
• Produce detailed design drawings and models using AutoCAD and Revit (BIM)
• Undertake dynamic thermal modelling and energy analysis using IES, HAP, and TAF
• Prepare specifications, design reports, and technical submissions
• Manage projects through RIBA Stages 1–6, coordinating with clients, architects, structural engineers, and contractors
• Attend design team and client meetings; provide technical advice and design leadership
• Mentor junior engineers and support their professional development
• Contribute to business development activity and fee proposals
• Ensure designs comply with current UK Building Regulations and relevant CIBSE guidance
• Contribute to sustainable, low‑carbon, and energy‑efficient design solutions

Commercial & Offices | Residential | Healthcare & Primary Care | Education | Sports & Leisure | Hotels & Hospitality | Retail | Industrial | Public Sector | Aviation | MoD

• Minimum 5 years' UK‑based building services mechanical design experience within a consultancy environment
• Proficient in AutoCAD and Revit for design and BIM coordination
• Experienced in thermal modelling and energy analysis using IES, HAP, and TAF
• Strong technical knowledge of HVAC, heating, ventilation, and public health systems
• Experience managing projects across RIBA Stages 1–6
• Solid understanding of UK Building Regulations and relevant CIBSE guidance
• Strong communication, report‑writing, and client‑facing skills
• Degree or HNC/HND in Building Services Engineering, Mechanical Engineering, or related discipline
• Chartered Engineer (CEng) status or actively working towards it

• Salary up to £75,000 – depending on experience
• Private healthcare
• Hybrid working – 3 days in the office, 2 days working from home
• Varied and technically stimulating project portfolio across multiple sectors
• Clear progression pathway