Mechanical Site Supervisor - Data Centers Europe

Alternative Heat Ltd; Armagh; On-site; GBP 55,000 - 75,000; Full time

Job summary

Alternative Heat Ltd is seeking a Mechanical Site Supervisor to manage the delivery, installation, and reconnection of modular plantrooms for datacentre projects across Europe. You will lead a mechanical team on-site, coordinating with Electrical Supervisors and AH management to ensure quality and safety.

The role involves offsite fabrication in Banbridge, then deployment across Europe with 5–7 month stints at each location. Full-time, permanent with a competitive salary depending on experience.

Qualifications

• Experience supervising M&E plantroom delivery and installation.
• Ability to coordinate multiple datacentre projects across Europe.
• Knowledge of installation sequences, quality standards and HSEQ procedures.

Responsibilities

• Manage delivery, installation, set-down and reconnection of plantrooms in client programmes.
• Supervise client-appointed mechanical teams and ensure proper installation sequences.
• Provide progress reporting, site meetings, and liaison with AH management and MEP teams.

Skills

Team leadership

Site supervision

M&E plantrooms

Coordination

Quality control

Job description

Mechanical Site Supervisor - Data Centers Europe

Application Deadline: 5 October 2026

Department: Contracts

Employment Type: Permanent - Full Time

Location: Alternative Heat Head Office

Reporting To: Operations Manager

Description

Team Overview:

Within one of these Business Units, Alternative Heat deliver turnkey plantroom packages at scale, directly to hyperscale 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.

Role Overview:

To manage the delivery and set down of a range of M&E Packaged Plantrooms across our multiple Datacentre projects throughout Europe.

The Mechanical Supervisor would work in conjunction with an Electrical Supervisor and together this Management Team will direct, and lead Client appointed M&E teams in the set down and reconnection of modularised Package Plantrooms.

These plantrooms will be fully fabricated and built at our impressive offsite facilities in Banbridge, then separated and broken down for delivery to various sites throughout Europe.

The Mechanical Site Supervisor will be responsible for supervising a mechanical team in the reconnection/testing and commissioning of all mechanical systems within each packaged plantroom, while updating key stakeholders both onsite and at our Head Office.

The position is a full-time site-based role. Rotating throughout Europe depending on locality of Plantroom Deliveries. It would be fair to assume that each Management team (Mech/Elec) will spend approx. 5-7 months in one location throughout Europe before on to the next location.

Job Title | Mechanical Site Supervisor

Location | Europe – Various

Hours | Monday-Friday 8am-5pm

Salary | Competitive Depending on Experience

Responsible to | Operations Manager

What You'll be Doing

Responsible for managing and coordinating the delivery, installation, set-down and reconnection of plantrooms in line with client programmes and AH technical requirements. The role involves supervising client-appointed mechanical teams, ensuring correct installation sequences, drawing revisions, quality standards, pressure testing and compliance with AH installation guides, ITPs and HSEQ procedures. Duties include conducting technical and quality inspections, providing final approval, attending site meetings, monitoring labour performance, coordinating programmes and installation activities, and reporting progress, issues and defects to the wider management team. The position also requires close collaboration with site teams, contractors, AH management and MEP teams, alongside completion of SAT documentation, daily reports, four-week lookaheads and support with O&M manuals to ensure safe, efficient and high-quality project delivery.