Job Description

Senior Mechanical Design Engineer - Building Services (District Heating / Commercial Projects)
London | Hybrid | Paying up to 65k
Are you an experienced Mechanical Design Engineer with strong knowledge of district heating and communal heat networks? Would you like to be part of a forward-thinking consultancy at the forefront of sustainable building services and low-carbon design?
My client is currently seeking a Senior Mechanical Design Engineer to join a dedicated Heat Networks team, delivering innovative solutions on a wide range of commercial and mixed-use projects. This is an exciting opportunity to take a lead role in the design, optimisation, and assurance of communal heat networks, helping clients navigate the industry's upcoming technical and regulatory changes.
The Role
As a Senior Engineer, you'll play a pivotal part in delivering compliant, efficient, and future-proof heat network solutions. Your work will span the full project lifecycle, from early design through to monitoring, testing, and optimisation of installed systems.
Key responsibilities include:

• Leading on the design of new-build and refurbished heat networks, ensuring performance, compliance, and energy efficiency.
• Acting in a quality assurance and technical monitoring role, reviewing contractor design packages, undertaking site inspections, and witnessing testing/commissioning.
• Carrying out post-occupancy performance reviews, identifying improvements and troubleshooting issues.
• Supporting clients with funding applications for government-backed decarbonisation schemes.
• Helping to shape internal design standards, procedures, and technical tools.
• Mentoring and supporting junior engineers as the team continues to expand.

About You
My client is looking for someone passionate about building services engineering and the future of low-carbon energy solutions. You'll be equally comfortable at the drawing board and on site, able to collaborate confidently with clients, contractors, and project teams.
Ideally, you will have:

• Experience as a Senior Mechanical Engineer in building services (or an Intermediate Engineer ready to step up).
• Strong technical knowledge of heating systems and district/communal heat networks.
• Experience of on-site inspection, monitoring and troubleshooting.
• Progress towards, or achievement of, Chartered Engineer status.
• Excellent written and verbal communication skills, with a track record of producing clear technical reports.

What's on Offer
This role offers the chance to join a progressive consultancy with a genuine commitment to sustainability and innovation. You'll benefit from:

• Exciting and technically challenging projects across the commercial sector.
• Excellent professional development and mentorship, including support towards Chartership.
• Competitive salary, annual bonus, and enhanced benefits package.
• Flexible working arrangements.
• Significant holiday entitlement and supportive work-life balance.
• The opportunity to play a key role in shaping the future of heat networks in the UK.

If you like the sound of the opportunity above and would be interested in hearing more, please do get in touch by calling Jack on 07752 217997 or emailing him at
Eden Brown is committed to equality in the workplace and is an equal opportunity employer.
50,000.00 - 65,000.00
Per annum
GBP50000 - GBP65000 per annum
Greater London
Permanent
Added 19/09/2025
Reference: 30770672338_1758293926

Skills Required