Application Deadline: 25 May 2026
Department: Design
Employment Type: Full Time
Location: Birmingham
Reporting To: Associate Director
The opportunity has arisen to join an industry leader in UK’s & Ireland’s commercial decarbonisation sector. At Alternative Heat, we are at the forefront of innovative, sustainable building solutions. As a leader in the design, development, and delivery of offsite-prefabricated energy systems, we take pride in offering groundbreaking decarbonisation solutions throughout Ireland, UK and Europe. As part of our mission to drive the transition to renewable and low-carbon energy solutions, we are excited to announce an opportunity for a Principal Mechanical Design Engineer to join our team. This pivotal role will shape the future of sustainable energy delivery across a diverse portfolio of public and commercial sectors.
Team Overview:The Design department is responsible for developing innovative, practical, and fully coordinated mechanical and electrical services solutions tailored to each project. Working closely with clients, project teams, and the BIM department, the design team transforms concepts into detailed, build-ready technical designs that meet regulatory standards, client specifications, and sustainability goals. Their work underpins the technical accuracy and efficiency of our installations, ensuring seamless integration from planning through to construction. As a Principal Mechanical Design Engineer, you will play a key role within our growing Design Team, based at our Birmingham Office. You’ll take ownership of mechanical designs from concept through to commissioning, working closely with fabrication, project management, and commissioning teams to ensure seamless delivery.
You’ll be involved in the design of commercial decarbonising solutions across a diverse portfolio of sectors, while also mentoring junior engineers and helping to shape best practice within the team.
Job Title | Principal Mechanical Design Engineer
Location | Birmingham Office, Solihul.
Hours | Monday-Thursday 8am-5pm and Friday
8am-3pm
Salary | Competitive Depending on Experience
Responsible to | Head Of Design
To apply please click on the link provided or reach out to Nicola Hyland (Senior Talent Acquisition Specialist) - Nicolahyland@alternativeheat.co.uk
With over 19 years of experience within the Commercial Offsite Fabrication industry, Alternative Heat have established themselves as a market leader in this sector.
Located centrally between Dublin and Belfast our 8.5 acre Head Office and feabrication facilities, which are fully equipped with overhead cranes and 8,000m² of workshop floor area, provide an ideal factory construction environment which is reflected in the high quality solutions we offer.
We employ a strong team of design engineers, CAD technicians, contracts managers and skilled trades personnel who utilise their vast industry experience to assist in the design, fabrication and delivery of our bespoke MEP solutions, which we supply throughout the UK and Ireland.
