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.
Key Responsibilities
- 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
Sectors
Commercial & Offices | Residential | Healthcare & Primary Care | Education | Sports & Leisure | Hotels & Hospitality | Retail | Industrial | Public Sector | Aviation | MoD
Requirements
- 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
What’s on Offer
- 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
