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JMB2 - Trainee Commissioning Engineer (Mechanically bias)

Location : Manchester

Salary : £35,000 - £45,000 + Overtime (DoE)

Overview:

We are seeking a Mechanically Biased Trainee Commissioning Engineer to join a growing installation and commissioning team delivering a variety of building services and BMS projects across Central Manchester and surrounding areas.

The role focuses on ensuring newly installed Building Management Systems (BMS) and associated mechanical HVAC systems are correctly installed, commissioned, tested, and fully operational prior to client handover.

The business has a strong interest in offering opportunities to Ex‑military and service leavers, valuing discipline, reliability, technical aptitude, and a proactive approach to learning and development.

Key Responsibilities:

  • Carry out pre‑commissioning inspections of mechanical and BMS installations completed by subcontractors to ensure minimum standards and project requirements are met.
  • Address BMS controllers and load pre‑written software into controllers.
  • Test software points and controlled items to ensure operation aligns with the Description of Operation.
  • Commission, test, and verify mechanical HVAC systems, including:
  1. Air and water systems
  2. Pumps, boilers, chillers
  3. Valves, AHUs, and associated plant
  • Fault‑find and troubleshoot mechanical, electrical, and control issues to ensure safe and efficient system operation.
  • Rectify software issues on site in liaison with the Technical Manager.
  • Complete electronic commissioning sheets and engineer report sheets.
  • Report software or physical installation issues accurately and promptly.
  • Coordinate with installation teams, subcontractors, BMS engineers, and clients to ensure commissioning snags and blockers are resolved efficiently.
  • Provide commissioning progress updates to the Project Manager.
  • Assist in producing installation drawings for subcontractors under the direction of Project and Technical Managers.
  • Assist in producing project software under the direction of the Technical Manager.
  • Ensure all site software is backed up and saved correctly within the company’s electronic folder structure.
  • Support client demonstrations and system handovers upon completion.
  • Work independently or as part of a wider site team.
  • Undertake occasional working away from home (accommodation provided with additional allowance).

Skills and Experience :

  • Level 3 qualification in Mechanical Engineering or equivalent (essential).
  • Proven mechanical or HVAC background (commissioning experience desirable but not essential).
  • Experience or exposure to hydraulics, pumps, boilers, chillers, valves, or AHUs.
  • BMS or CHP exposure (advantageous but not essential).
  • Full UK driving licence.
  • Strong work ethic, practical problem-solving skills, and willingness to develop.

What’s on Offer :

  • Full structured training and commissioning development.
  • Clear career progression within commissioning and building services.
  • Competitive salary with uplift for working away.
  • Accommodation provided when working out of area.
  • Supportive environment well-suited to service leavers transitioning into civilian roles.
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Send your CV to us using the form below :

First Military Recruitment (Head Office)
1 Wilkinson Road
Love Lane Industrial Estate
Cirencester
GL7 1YT

01285 654566
info@first-military.co.uk
First Military Recruitment (Birmingham)
Office 1, Izabella House
24-26 Regent Place
City Centre
Birmingham
B1 3NJ

01215 165689
info@first-military.co.uk
First Military Recruitment (Bristol)
Park House
10 Park Street
Bristol
BS1 5HX

01172 354500
info@first-military.co.uk
First Military Recruitment (Gloucester)
Avionics House
Quedgeley
GL2 2SN

01452 223938
info@first-military.co.uk