Commissioning Manager

  • 1st Step
  • 22/10/2026
Full time Construction Management Architect and Design Mechanical / Electrical Engineer

Job Description

1st Step Solutions are supporting a MEP building services engineering company who have an opportunity for a Commissioning Manager to join their Building Services / MEP department based in London.

Job overview:

Our client is seeking an experienced and proactive Commissioning Manager to lead and manage the commissioning of mechanical, electrical and public health (MEP) building services systems across construction projects.

The successful candidate will be responsible for developing and delivering commissioning strategies, coordinating subcontractors and specialist commissioning engineers, managing testing and commissioning activities, and ensuring all building services systems are fully tested, integrated and operational in accordance with project specifications, programme requirements, industry standards and client expectations.

Key Responsibilities:

  • Lead all commissioning activities for mechanical, electrical and public health systems.
  • Coordinate pre-commissioning, testing, commissioning, integrated systems testing and final validation.
  • Monitor progress against commissioning milestones and proactively address delays or technical issues.
  • Oversee commissioning of HVAC, ventilation, heating and cooling systems, pumps, water systems, drainage, electrical distribution, lighting, emergency lighting, fire alarms, controls, BMS and associated building services.
  • Review commissioning method statements, risk assessments, test procedures and technical submissions.
  • Identify design discrepancies, installation defects and system performance issues, ensuring corrective actions are implemented.
  • Produce and maintain detailed commissioning programmes, trackers and progress reports.
  • Manage commissioning resources, access requirements, plant availability and test equipment.
  • Ensure all commissioning works comply with relevant legislation, British Standards, project specifications and industry guidance.
  • Implement quality assurance procedures and maintain accurate commissioning records.
  • Oversee the preparation and completion of commissioning certificates, test sheets and technical documentation.
  • Coordinate seasonal commissioning and performance testing where required.
  • Ensure the production of complete operation and maintenance manuals, asset registers, as-built information and commissioning records.
  • Act as the principal commissioning contact for clients, consultants, main contractors and project stakeholders.

Essential Requirements:

  • Proven experience in an MEP commissioning management role or a senior commissioning engineering position with management responsibility.
  • Strong technical understanding of mechanical and electrical building services systems.
  • Relevant technical qualifications in building services engineering, mechanical engineering, electrical engineering or an equivalent discipline.

On Offer:

  • Competitive salary
  • Performance-related bonus
  • Company car / allowance
  • Pension scheme
  • Career progression opportunities
  • Private health care