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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
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