Senior​/Principal Mechanical Engineer

Senior / Principal Mechanical Engineer
London | £55,000 - £70,000 | Building Services Consultancy

I'm currently working with a well-established building services consultancy based in London that is looking to appoint a Senior or Principal Mechanical Engineer to join their growing team.
The consultancy delivers high-quality mechanical and multi-disciplinary building services solutions across a varied project portfolio, with a strong focus on client relationships, technical excellence, and project ownership.

The Role
You'll be responsible for managing and delivering mechanical building services projects from concept through to completion, acting as a key client-facing contact and ensuring projects are delivered to a high technical standard. At Principal level, you will also mentor junior engineers and contribute to the strategic development of the mechanical team.

Key Responsibilities

Manage mechanical building services projects from inception to completion
Lead mechanical design, including calculations, specifications, and reports
Act as a client-facing representative, building and maintaining strong relationships
Coordinate with internal and external multi-disciplinary teams
Oversee project delivery, programme, and technical quality
Provide technical leadership and mentoring to junior engineers
Ensure designs comply with current regulations and industry standards

About You

Degree qualified (or equivalent) in Mechanical Engineering or Building Services
Strong experience within a building services consultancy environment
Proven experience managing projects and dealing directly with clients
Comfortable operating at Senior or Principal Engineer level
Excellent technical knowledge across mechanical building services systems
Strong communication and organisational skills
Working towards or holding IEng / CEng status is advantageous

What's on Offer

Competitive salary of £55,000 - £70,000, depending on experience + benefits
London-based role with responsibility and autonomy
Opportunity to manage projects and client relationships
Clear progression within a supportive and growing consultancy
Professional, collaborative, and design-focused working environment

For a confidential discussion, you can contact Roberto Sartori for a chat on (phone number removed).

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.

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