Senior Mechanical Design Engineer

Senior Mechanical Design Engineer

Building Services Consultancy | Southampton Area (Hybrid)

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The Opportunity

We’re representing a forward-thinking building services consultancy in Fareham that is looking for an experienced Senior Mechanical Design Engineer. This is a key role, leading the design and delivery of innovative, sustainable mechanical services across commercial, residential, education, and healthcare projects.
You’ll play a pivotal part in shaping design solutions, mentoring engineers, and working closely with clients and multidisciplinary teams to deliver projects from concept through to completion.

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What You’ll Do

• Take ownership of the mechanical design process for building services (HVAC, heating, cooling, ventilation, domestic water systems).
• Produce and review design calculations, technical specifications, drawings, and reports.
• Coordinate effectively with clients, project teams, and other engineering disciplines.
• Mentor junior and intermediate engineers, fostering technical growth and best practices.
• Ensure all designs meet UK building regulations, CIBSE guidance, and sustainability standards.
• Actively contribute to client meetings, workshops, and design reviews.
• Support business development and help drive continuous improvement across the consultancy.

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What We’re Looking For

• Degree in Mechanical Engineering or Building Services Engineering (BEng, MEng, or equivalent).
• Chartered Engineer (CEng) or working towards chartership (IMechE, CIBSE, or similar).
• At least 5+ years of consultancy-based experience in mechanical building services design.
• Strong technical knowledge of HVAC and building services systems.
• Proficiency with design software such as Hevacomp, IES, Revit, and AutoCAD.
• Excellent leadership, communication, and project management skills.
• Proven track record in managing complex projects and guiding design teams.

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What’s on Offer

• Competitive salary with bonus and benefits package.
• Hybrid working model promoting flexibility and work-life balance.
• Clear career progression and support towards chartership.
• Exposure to varied and high-profile projects across multiple sectors.
• A collaborative, supportive, and innovative work environment.

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Next Step

If you’re ready to take the lead on mechanical design projects and want to grow with a respected consultancy, we’d love to hear from you.
👉 Apply now to start a confidential conversation.