Mechanical Design Engineer

Application Deadline: 12 August 2026

Department: Contracts

Location: Alternative Heat Head Office

The opportunity has arisen to join an industry leader in UK’s & Ireland’s Building Services sector. Alternative Heat design, develop and deliver a wide range of offsite-prefabricated, innovative, and sustainable building service solutions throughout the UK & Europe.

What We Do

Alternative Heat is a market-leading provider of “Offsite Modular Solutions” and innovative MEP solutions, within the European Data Centre sector, serving clients across Ireland, the UK, and Europe. In line with strong company growth and a healthy forward order book, Alternative Heat have established two key routes to market within this sector and in doing so have established two dedicated Data Centre Business Units to serve this sector.

Team Overview

Within one of these Business Units, Alternative Heat deliver turnkey plantroom packages at scale, directly to hyperscale Data Centre developers throughout Europe, under long-term framework agreements. This Business Unit is scaling at pace, and we have secured a 5-year framework agreement to design, manufacture and deliver volume based, turnkey plantroom modules (mechanical, electrical and BMS) to projects throughout Europe, with demand set to increase annually.

What you wll be doing

The Mechanical Engineer within this BU is responsible for the design and review of mechanical systems within prefabricated MEP modules and plantrooms for the Data Centre sector. This role ensures the design of mechanical components, including pipework, pumps, heat exchangers, and associated equipment, is in compliance with project specifications, industry standards, and safety regulations.

Job Title: Mechanical Design Engineer

Location: Banbridge, Northern Ireland

Hours: Monday-Thursday 8am-5pm and Friday 8am-3pm

Salary: Competitive Depending on Experience

Responsible to: Head of Engineering and Building Services