Principal / Associate Mechanical Engineer | London | Hybrid Working | Building Services Consultancy

Salary: £70,000 - £85,000 + Bonus + Private Healthcare + Pension + Hybrid Working
Exceptional candidates seeking a higher package will also be considered.

Are you an experienced Mechanical Building Services Engineer looking for a role that combines technical leadership, client engagement, project delivery and genuine influence within a growing consultancy£

This is an opportunity to join a highly regarded, design-led building services consultancy that has built an impressive reputation for delivering technically robust, commercially focused engineering solutions across a diverse range of sectors.

Working alongside an experienced leadership team, you''ll play a key role in project delivery, client management, technical oversight and mentoring junior engineers, whilst helping shape the continued growth of the business.

This role would suit a well-rounded engineer who enjoys being involved in every aspect of a project, from technical design and site inspections through to client advisory services, team management and business development.

The Opportunity

As the consultancy continues to expand, they are seeking a Principal or Associate Mechanical Engineer capable of leading projects, developing client relationships and acting as a senior technical figure within the business.

The successful candidate will have broad experience across building services consultancy and be comfortable operating both technically and commercially.

You''ll work across a varied portfolio including:

- Commercial offices
- Workplace fit-outs
- Healthcare facilities
- Higher education projects
- Student accommodation
- Residential developments
- Mixed-use schemes
- Specialist technical environments

Beyond traditional MEP design, the business is regularly involved in:

- Technical due diligence
- Design management
- Asset reviews
- Building surveys
- Construction-stage support
- Decarbonisation projects
- Occupier advisory services
- Pre-acquisition and landlord / tenant technical assessments

As a result, this role offers exposure far beyond a typical mechanical design position.

What You''ll Be Doing

As a Principal / Associate Mechanical Engineer, you will:

- Lead the delivery of mechanical building services projects from feasibility through to completion.
- Act as Lead Mechanical Engineer across multiple projects and sectors.
- Manage client relationships and act as a trusted technical advisor.
- Undertake mechanical design reviews and provide technical leadership across project teams.
- Oversee technical due diligence, surveys, feasibility studies and building assessments.
- Attend site inspections and construction reviews, ensuring designs are properly implemented.
- Coordinate multidisciplinary design teams and manage project programmes.
- Review calculations, reports, specifications and technical documentation.
- Identify project risks and develop practical engineering solutions.
- Mentor and support junior and intermediate engineers.
- Assist with resource planning and project delivery management.
- Contribute to business development, proposal preparation and client growth initiatives.
- Work closely with company leadership in helping shape future business strategy.

What We''re Looking For

Essential

- Degree qualified in Mechanical Building Services Engineering or a related discipline.
- Approximately 8+ years'' experience within Building Services Consultancy.
- Strong technical understanding of mechanical building services design.
- Proven experience delivering projects across all RIBA stages.
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