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Senior Mechanical Engineer – Building Services Design

Progression to Head of Building Services

Essex (Billericay Area)

Up to £85,000 DOE + Bonus + Car Allowance + Hybrid Working + Excellent Benefits

Are you an experienced Mechanical Engineer ready to step into a leadership-focused role within a growing, design-led consultancy?

Would you value the opportunity to not only lead projects—but build and shape your own team with a clear route to Head of Building Services Design?

The Opportunity

A rapidly growing Building Services consultancy is looking to appoint a Senior Mechanical Engineer to support the expansion of its mechanical division.

This is a pivotal hire for the business, offering the chance to take ownership of projects, mentor junior engineers, and play a key role in developing the mechanical offering.

You’ll work across a varied portfolio including education, healthcare, residential, and commercial projects, delivering technically robust mechanical design solutions from concept through to completion, often as part of wider multidisciplinary project delivery teams.

The Business

This is a specialist, multidisciplinary consultancy with a strong reputation across the UK for delivering end-to-end building and estate solutions, particularly within the education and healthcare sectors. They combine technical design expertise with broader capabilities such as project delivery, asset management, funding strategy, and sustainability consultancy supporting clients from initial surveys and planning through to project completion. With a head office in Essex and a growing presence, the business is known for its collaborative, client-focused approach and strong pipeline of secured work.

Why Apply?

Clear progression pathway to Head of Building Services / Mechanical Lead

Opportunity to build, grow, and step into a leadership position

Join a high-growth consultancy with a strong presence

Work on meaningful, technically complex projects within education and healthcare sectors

Be part of a business influencing estate strategy, sustainability, and long-term asset performance

Generous bonus structure rewarding performance and contribution

Hybrid working and strong work-life balance

Supportive, people-focused culture with real investment in development and chartership What They’re Looking For

Proven experience in Mechanical Building Services Design

Operating at Senior level, with a desire to progress into leadership

Strong knowledge of HVAC, heating, ventilation, and water systems

Experience delivering projects across sectors such as education, healthcare, residential, or commercial

Ability to lead projects and coordinate with clients, contractors, and multidisciplinary teams

Interest in mentoring and developing junior engineers

Ideally Chartered (CEng) or working towards

Ambitious, commercially aware, and motivated to progress How to Apply

Jevon Astley-Jones is dealing with this vacancy, for a confidential discussion, please apply via the link or get in touch directly

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.