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