Senior Mechanical Design Engineer - Building Services

Energi People

Location: London

Salary: Competitive 

An exciting opportunity has become available within a growing Building Services consultancy in London.

This opportunity would suit an experienced Mechanical Engineer who enjoys taking ownership of projects, mentoring junior engineers, and delivering innovative, sustainable engineering solutions across a diverse portfolio of developments.

You'll play a key role within the business, working closely with clients, architects, contractors, and senior stakeholders while contributing to the successful delivery of projects from concept through to completion.

The Role

As a Senior Mechanical Design Engineer, you'll lead and contribute to a range of technically challenging projects across sectors including:
  • Commercial developments
  • Residential and mixed-use schemes
  • Education facilities
  • Healthcare projects
  • Life sciences
  • Data centres
  • Hospitality and leisure
You will be responsible for developing robust mechanical design solutions, coordinating multidisciplinary teams, and ensuring projects are delivered to the highest technical standards.


Key Responsibilities
  • Leading the mechanical design and delivery of building services projects
  • Producing and reviewing detailed calculations, specifications, reports, and technical documentation
  • Managing project deliverables across multiple RIBA stages
  • Taking responsibility for programme, quality, and design output
  • Coordinating with internal and external project teams
  • Attending and leading client, design, and stakeholder meetings
  • Supporting the development of sustainable and low-carbon building services strategies
  • Undertaking site visits, surveys, and construction-stage support
  • Mentoring and providing technical guidance to junior engineers and graduates
What We're Looking For

The ideal candidate will possess:
  • Strong experience within a Building Services Consultancy environment
  • Proven mechanical building services design experience across a variety of sectors
  • A solid understanding of HVAC, public health, and sustainable design principles
  • Experience leading projects and managing client relationships
  • Knowledge of current industry regulations and engineering standards
  • Proficiency with industry software such as Revit, Hevacomp, IES, or similar design packages
  • Excellent communication and stakeholder management skills
  • The ability to work independently while contributing positively to a wider team
Chartered Engineer status, or active progress towards Chartership, would be beneficial but is not essential.


Why Join?
  • Opportunity to work on prestigious and technically complex projects
  • Genuine autonomy and responsibility from day one
  • Clear pathway towards Associate-level progression
  • Direct access to senior leadership and decision-makers
  • Collaborative and supportive team culture
  • Ongoing training and professional development
  • Flexible hybrid working environment
  • Competitive salary and comprehensive benefits package
The Next Step

If you're a Senior Mechanical Design Engineer looking to join a consultancy where your technical expertise is valued and your career development is genuinely supported, I'd be happy to arrange a confidential discussion.

Get in touch to find out more.



About Energi People  
Having spent 20 years earning trust across MEP building services, structural and mission-critical engineering with the very best construction engineering firms in the UK, UAE, USA and beyond, we know the disciplines, the best employers, and crucially, the roles that aren’t advertised. Find out more at (url removed)/
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