Principal Mechanical Engineer

Fully Remote (UK)
£65,000 - £72,000 + Benefits

The Opportunity

Are you an experienced Mechanical Engineer with a strong background in residential building services design looking for the flexibility of a fully remote role?

A fast-growing and ambitious building services consultancy is seeking a Principal Mechanical Engineer to play a key role in the delivery of a substantial portfolio of residential developments across the UK. As a senior member of the business, you will take ownership of project delivery from concept through to completion, ensuring innovative, sustainable, and commercially successful solutions are delivered to clients.

Key Responsibilities

• Lead the design and delivery of mechanical building services projects, with a primary focus on residential developments.
• Manage projects through all stages, from feasibility and concept design through to construction and final handover.
• Produce and review detailed calculations, specifications, reports, and technical documentation.
• Provide technical leadership and mentorship to engineers across the business.
• Build and maintain strong relationships with developers, architects, contractors, and key stakeholders.
• Act as a trusted advisor to clients, ensuring projects are delivered to the highest technical and commercial standards.
• Coordinate effectively with multidisciplinary design teams.
• Champion sustainable and energy-efficient engineering solutions across all projects.
• Ensure projects are delivered on time, within budget, and in line with client expectations.

About You

• Degree qualified in Mechanical Engineering, Building Services Engineering, or a related discipline.
• Minimum of 6 years' experience within a building services consultancy environment.
• Strong and demonstrable experience delivering residential building services projects is essential.
• Proven track record of leading projects and managing client relationships.
• Extensive knowledge of HVAC systems, mechanical design principles, and relevant UK regulations.
• Excellent communication, leadership, and stakeholder management skills.
• Self-motivated and comfortable working independently within a fully remote environment.
• Chartered status or working towards chartership would be advantageous.

What's on Offer

• Fully remote working anywhere within the UK.
• Genuine flexibility and autonomy with no daily office requirement.
• Opportunity to join a rapidly growing consultancy at an exciting stage of its development.
• Key role in delivering a strong pipeline of residential projects across the UK.
• Supportive, collaborative culture focused on quality, innovation, and professional development.
• 26 days annual leave plus bank holidays.
• Clear opportunities for progression and long-term career growth.

If you have a strong residential building services background and are looking for a role that offers both technical responsibility and the flexibility of fully remote working, we'd love to hear from you.

For a confidential discussion or to apply, contact Callum at Aztrum via callum.jones@aztrum.com