Application Deadline: 13 May 2026
Department: Design
Employment Type: Full Time
Location: Mallusk
Reporting To: Associate Director
Team Overview:The Design department is responsible for developing innovative, practical, and fully coordinated mechanical and electrical building 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 Head of Design, you will lead the technical development and detailed design of decarbonisation solutions, including district heating systems, energy centres, and renewable energy integrations. Working closely with internal and external teams, you will ensure robust, innovative, and compliant design output, with a strong focus on design coordination, technical detailing, and delivery assurance from Stage 2 onwards.
Job Title | Head of Design - Decarbonisation
Location | Northern Ireland (Banbridge or Mallusk)
Hours | Monday-Thursday 8am-5pm and Friday 8am-3pm
Salary | Competitive Depending on Experience
Responsible to | Associate Director

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.