Senior​/Principal Mechanical Engineer

Freelance Senior / Principal Mechanical Building Services Engineer
Stockport Hybrid / Flexible Working

We are currently looking for an experienced Senior or Principal Mechanical Building Services Engineer on a freelance basis to join a well-established, award-winning building services consultancy in Stockport.

This consultancy is recognised for delivering innovative, sustainable MEP design across healthcare, commercial, and public sector projects, and is at the forefront of net zero and low-carbon building design. They are seeking a highly skilled freelance engineer to support high-profile projects, lead design teams, and provide expert guidance across multiple complex projects.

The Role
As a freelance Senior/Principal Mechanical Engineer, you will take responsibility for delivering mechanical building services projects of varying scale, from specialist schemes to major developments over 100m.

Key responsibilities include:

• Leading the mechanical design and delivery of projects across healthcare, commercial, and public sectors
• Acting as a client-facing technical lead, advising on both commercial and technical matters
• Mentoring and guiding junior engineers and project teams
• Supporting business development and client relationships on a freelance basis
• Managing project planning, resource coordination, and delivery
• Providing technical advice for healthcare projects, including HTM and HBN compliance
• Coordinating with other engineering disciplines on multidisciplinary projects
• Producing detailed designs using IES / IES-VE, AutoCAD, MagiCAD, and Revit
• Ensuring designs meet sustainability, energy efficiency, and net zero carbon requirements

About You
The ideal freelance candidate will have extensive UK consultancy experience in building services design and be confident managing both projects and client relationships.
You will ideally have:

• BEng or MEng in Mechanical or Building Services Engineering
• Chartered Engineer status
• Membership of MCIBSE or MIMechE
• Ideally IHEEM membership or healthcare sector experience
• Knowledge of HTMs and HBNs, or transferable laboratory/cleanroom design experience
• Experience delivering new build, refurbishment, and retrofit projects
• Strong commercial awareness and project management skills
• Excellent client management and communication skills
• A proactive, flexible, and problem-solving approach

What's on Offer

• Freelance contract with flexible working arrangements
• Opportunities to work on high-profile, technically challenging projects
• Competitive day rate (negotiable based on experience and project scope)
• Work in a supportive, collaborative environment with hybrid working
• Exposure to cutting-edge net zero design and engineering tools

If you'd like to learn more about this opportunity, please apply or get in touch with Roberto Sartori on (phone number removed) for a confidential conversation.

Aldwych Consulting values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and are happy to discuss reasonable adjustments and/or additional arrangements as required to support your application.

Candidates must be eligible to live and work in the UK.

For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.