Alternative Heat

Site Supervisor - Decarbonisation

Join Alternative Heat in Dublin as a Site Supervisor managing M&E construction for decarbonisation. This role blends office planning with on-site supervision, ensuring safe, efficient project delivery. Benefit from a competitive salary and a supportive work schedule Monday to Friday.
Alternative Heat
Alternative Heat
Dublin, Ireland On-site Full time UTC+00:00

Alternative Heat

Company Overview

Alternative Heat Limited

Banbridge, United Kingdom

2005

Approximately 200 employees (source: endole.co.uk). Revenue of £46.9 million in FY 2024 (source: endole.co.uk).

What They Do

Alternative Heat focuses on offsite prefabricated mechanical, electrical, and plumbing (MEP) systems, specializing in decarbonization solutions through modern construction methods. With over 19 years of experience, the company has established itself as a market leader in commercial offsite fabrication, providing a range of services including design, fabrication, supply, installation, and commissioning of bespoke modular MEP solutions (source: growjo.com). Their offerings include renewable heating systems such as biomass boilers, ground source heat pumps, air source heat pumps, and solar panels, catering to domestic, commercial, and industrial applications. As an MCS-registered supplier, they ensure high standards in their products and services (source: zoominfo.com). The company operates from facilities equipped with advanced technology and ample workshop space, supported by a skilled workforce including design engineers and CAD technicians (source: growjo.com). Their target markets span the public and private sectors across the UK, Ireland, and Europe, focusing on scalable, high-quality turnkey projects that align with carbon reduction and net zero goals (source: youtube.com).

Projects & Track Record

Alternative Heat has built a robust portfolio of turnkey projects in the decarbonization and off-site modular MEP sectors, delivering solutions across Ireland, the UK, and Europe. While specific project names, capacities, or costs are not detailed in available records, the company emphasizes its commitment to continuous improvement and best-in-class delivery for both new and repeat clients (source: youtube.com). Their operations are supported by established supply chains and regional offices, including a significant operations hub in Scotland, which enhances their geographic reach (source: growjo.com). The company’s focus on prefabricated solutions positions it well for growth, as it serves clients pursuing net zero initiatives (source: youtube.com). However, detailed information on specific completed projects, such as named installations with MW capacities, is limited in the public domain, which restricts the ability to provide a comprehensive track record (source: rocketreach.co).

Recent Developments

In the financial year ending 31 March 2024, Alternative Heat reported a significant turnover increase to £46.9 million, marking a 48% rise from the previous year (source: endole.co.uk). Employee growth has also been notable, with numbers reaching approximately 206, reflecting a 37% increase (source: endole.co.uk). A promotional video released on 17 July 2025 highlighted the company's role in decarbonization and modular MEP, showcasing their scalable solutions and European reach (source: youtube.com). Corporate filings have included full accounts submitted for the year ending 31 March 2023, with updates on confirmation statements and changes in significant control details (source: endole.co.uk). However, there have been no major contracts, acquisitions, or awards reported in the last two years, indicating a focus on internal growth and operational stability (source: endole.co.uk).

Working There

Alternative Heat offers a variety of roles across multiple departments, including procurement, HR, finance, operations, health and safety, and legal, with department heads overseeing specialized teams (source: growjo.com). The company is led by Managing Director Connel McMullan, and hiring primarily occurs at their Banbridge headquarters and prefabrication sites, with a focus on regional opportunities in Scotland (source: rocketreach.co). The culture at Alternative Heat emphasizes expertise, innovation, and continuous improvement, with a commitment to safety and client satisfaction driving their operational ethos (source: growjo.com). While specific employee benefits are not documented, the company’s investment in facilities and technology has contributed to significant annual growth rates ranging from 26% to 37% (source: youtube.com).


Last updated on May 22, 2026 | Report an issue

Job Description

The Contracts department oversees the delivery and execution of projects from initial mobilisation through to completion and handover. Acting as the bridge between design, commercial, and on-site teams, the department ensures that all contractual obligations are met while maintaining high standards of quality, safety, and efficiency. With a focus on planning, resource coordination, and problem-solving, the Contracts team plays a key role in ensuring our projects are delivered on time, within scope, and to the satisfaction of our clients.

Role Overview

We are seeking an experienced Site Supervisor to oversee and coordinate construction activities (M&E focused) across multiple sites. This role combines office-based planning with on-site supervision to ensure projects are delivered safely, efficiently, and in line with company standards and HSEQ procedures.

Job Title | Site Supervisor - Decarbonisation (Ireland)
Location | Dublin with travel to sites as required
Hours | Monday-Thursday 8am-5pm and Friday 8am-3pm
Salary | Competitive Depending on Experience
Responsible to | Head of Operations - Ireland

What You'll be Doing

Experienced in supervising day-to-day site operations within live public environments, including schools, ensuring works are delivered safely, efficiently, and in line with project programmes. Skilled in coordinating plant, materials, deliveries, lifting operations, and subcontractor activities while maintaining high standards of quality and HSEQ compliance. Proficient in interpreting M&E drawings and overseeing installations such as heat pumps, PV solar systems, LED conversions, and boiler removals. Strong communicator with the ability to manage reporting streams, resolve on-site issues proactively, minimise disruption to the public, and ensure all works comply with insurance and liability requirements.

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About the role

June 9, 2026

Full time

Company

June 10, 2026

On-site

Solar Energy , Bioenergy , Geothermal Energy

Alternative Heat

alternativeheat.co.uk

  •  Dublin, Ireland

Experienced

UTC+00:00