The Role
Designs and delivers mechanical systems for heating plantrooms and prefabricated MEP solutions. Responsibilities include mechanical calculations, equipment selection, design drawings, bills of materials, specifications, BMS control strategies, site surveys, and onsite verification. The role collaborates with fabrication, commissioning, contracts, clients, suppliers, contractors, and authorities while maintaining health, safety, and quality standards. Occasional travel to sites across Scotland, England, and Wales is required.
Summary Generated by Built In
What We Do:
We provide fully integrated design, build, and operational solutions for commercial energy centres and large-scale district heating schemes, drawing on extensive experience delivering similar projects for public sector clients across the UK and Ireland. We take genuine pride in the long-standing relationships we have built, working closely with our clients as trusted partners and continuing to support them on their journey toward net zero.
We provide fully integrated design, build, and operational solutions for commercial energy centres and large-scale district heating schemes, drawing on extensive experience delivering similar projects for public sector clients across the UK and Ireland. We take genuine pride in the long-standing relationships we have built, working closely with our clients as trusted partners and continuing to support them on their journey toward net zero.
Role Overview:
As a Mechanical Design Engineer - Decarbonisation, you'll be involved in the design and delivery of innovative heating plantrooms and prefabricated MEP solutions for major projects across the residential, healthcare, education, hotel, and leisure sectors.
Working within an experienced design team, you'll carry out mechanical calculations, equipment selection, system design, and site surveys, while collaborating closely with fabrication teams to ensure designs are delivered to the highest standards. Using the latest AutoCAD and MEP 3D software, you'll play a key role in bringing complex engineering solutions from concept through to manufacture.
Job Title | Mechanical Design Engineer - Decarbonisation
Location | North Dublin, Santry.
Hours | Monday-Thursday 8am-5pm and Friday 8am-3pm
Salary | Competitive Depending on Experience
Responsible to | Head of Design Decarbonisation
Location | North Dublin, Santry.
Hours | Monday-Thursday 8am-5pm and Friday 8am-3pm
Salary | Competitive Depending on Experience
Responsible to | Head of Design Decarbonisation
What You'll be Doing
The role involves preparing mechanical design drawings, calculations, plant selections, bills of materials and specifications, as well as developing project-specific BMS control strategies and ensuring their successful implementation and onsite verification. Responsibilities include maintaining compliance with health and safety regulations and quality standards, attending design meetings, and working closely with contracts managers and commissioning teams to support and optimise BMS system performance. The position also requires professional liaison with clients, suppliers, contractors and relevant authorities, with occasional travel to company sites across Scotland, England and Wales. Additional duties may be assigned as required.
About
With over 20 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 fabrication 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, Ireland and Europe.
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The Company
What We Do
Alternative Heat designs, manufactures and delivers turnkey offsite-prefabricated mechanical, electrical and plumbing (MEP) solutions for commercial and infrastructure projects. Its offering includes packaged plantrooms, plant skid modules, and MEP lateral and riser modules, supported by in-house design, fabrication, installation, commissioning and operation. The company also provides prefabricated renewable-energy solutions, including biomass and heat-pump systems, serving data centres, district heating, residential and healthcare projects across the UK, Ireland and mainland Europe.







