Senior Mechanical Design Engineer – Building Services Consultancy 📍
Winchester (Hybrid Working) 💼
Full-Time 💰
Competitive Salary + Benefits + Bonus
About the Role A respected building services consultancy with 45 years of experience delivering sustainable, value-engineered solutions is seeking a
Senior Mechanical Design Engineer to join their Winchester office. You’ll lead mechanical systems design across a broad range of projects—residential, commercial, healthcare, education, and industrial—on schemes from small-scale to £100m developments
Key Responsibilities- Lead HVAC, ventilation, heating, cooling, and domestic water system design from feasibility through to construction
- Use TAS for dynamic thermal modelling and AutoCAD/Revit for detailed 2D/3D coordinated outputs
- Collaborate with multi-disciplinary teams, ensuring integrated low-carbon and energy-efficient solutions
- Mentor and guide junior engineers while contributing to internal QA reviews
- Provide specialist input into pre-planning energy/sustainability reports and Part L/F compliance assessments
- Visit sites to verify installation accuracy and support technical coordination
- Engage with clients and contractors throughout delivery and oversee value-engineering initiatives
What You’ll Bring- Degree in Mechanical or Building Services Engineering (BEng/MEng or equivalent)
- Chartered status (CEng, IMechE/CIBSE) or actively working towards it
- 6+ years’ experience designing mechanical building services in consultancy
- Proficiency in mechanical design software including TAS, AutoCAD, Revit, IES, Hevacomp
- Strong understanding of UK regulations (Part L & Part F, CIBSE guidelines) and sustainable engineering practices
- Excellent leadership, communication, and project management abilities
- A proactive, structured mindset capable of delivering complex projects to high quality and budget standards
Why This Role Is Special- Join a consultancy known for delivering sustainable, user-focused environments
- Variety of projects—ranging from healthcare and urban extensions to corporate and residential developments
- Operate within a proactive, structured team environment that values open communication and innovation
- Benefit from hybrid working, healthcare plans, CPD-led training days, and social team events
- Support for chartership and professional growth alongside exposure to advanced thermal modelling and sustainability tools
If you’re a senior mechanical engineer ready to take responsibility for complex design projects and contribute to a sustainability-first consultancy, this is your opportunity. Apply now for a confidential discussion.