Principal Mechanical Engineer | Building Services
Posted 12/05/2026 by Thomas Search
Principal Mechanical Engineer | Building Services
Thomas Search are partnered with a leading, forward-thinking Mutli - disciplinary consultancy to appoint a Principal Mechanical Design Engineer into their expanding South-East Building Consultancy team
This is an opportunity for a Principal Mechanical Building Services Engineer who wants to operate at the technical and professional core of project delivery.
You'll be joining an established MEP design team delivering work across a wide and balanced project portfolio, spanning residential, regeneration, healthcare, education, and commercial sectors. The role is design-led, client-facing, and suited to an engineer who is confident taking responsibility for outcomes, as well as a desire to lead projects, mentor junior members and ambition to succeed.
Working within a multi-disciplinary environment, you'll lead mechanical design packages, manage your own workload, and contribute to the successful delivery of projects from early concept through detailed design and construction support.
The role will involve:
What we're looking for:
This role offers technical autonomy, trusted client exposure, and progression within a supportive, well-structured engineering environment.
Interested?
Apply directly or reach out in confidence to David at (url removed) for a discreet and informative disclosure.
Thomas Search are partnered with a leading, forward-thinking Mutli - disciplinary consultancy to appoint a Principal Mechanical Design Engineer into their expanding South-East Building Consultancy team
This is an opportunity for a Principal Mechanical Building Services Engineer who wants to operate at the technical and professional core of project delivery.
You'll be joining an established MEP design team delivering work across a wide and balanced project portfolio, spanning residential, regeneration, healthcare, education, and commercial sectors. The role is design-led, client-facing, and suited to an engineer who is confident taking responsibility for outcomes, as well as a desire to lead projects, mentor junior members and ambition to succeed.
Working within a multi-disciplinary environment, you'll lead mechanical design packages, manage your own workload, and contribute to the successful delivery of projects from early concept through detailed design and construction support.
The role will involve:
- Leading mechanical services design on building projects
- Acting as lead engineer within design teams
- Managing and coordinating internal disciplines on smaller schemes
- Producing detailed designs, calculations, reports, drawings, and specifications
- Using industry-standard tools such as Hevacomp, IES, CAD, and Revit
- Undertaking QA reviews to ensure technical and regulatory compliance
- Advising clients on energy efficiency, sustainability, and carbon reduction
- Attending and contributing to client, design, and technical meetings
- Mentoring and supporting junior engineers and apprentices
What we're looking for:
- Strong background in mechanical building services design
- Experience from a consultancy or technically focused contractor environment
- Degree qualified (or equivalent: HNC/HND+)
- Chartered Engineer (CEng) status
- Confident communicator with a collaborative mindset
- High technical standards and pride in quality delivery
This role offers technical autonomy, trusted client exposure, and progression within a supportive, well-structured engineering environment.
Interested?
Apply directly or reach out in confidence to David at (url removed) for a discreet and informative disclosure.
- Type:
- Permanent
- Contract Length:
- N/A
- Contact Name:
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- Telephone:
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- Job Reference:
- 1321498
- Job ID:
- 225100946
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