Principal Commissioning Manager

Laing O'Rourke; Greater London; Hybrid; GBP 70,000 - 95,000; Full time

Job summary

Crown House Technologies, part of the Laing O’Rourke Group, is seeking a Principal MEP Commissioning Manager to lead the commissioning across all MEP systems on a large Data Centre project.

You will own the strategy and delivery, lead commissioning teams, coordinate specialist contractors, and manage all testing, validation, and handover activities to ensure a fully operational building.

We offer extensive training, long‑term career progression, and the chance to work on industry-leading projects.

Qualifications

• Extensive experience leading commissioning on complex MEP projects.
• Strong knowledge of design principles and building operation.
• CSA Grade 6 or CM2 accreditation or equivalent.
• Excellent leadership, communication, and resource planning skills.

Responsibilities

• Develop and implement the Commissioning Execution Plan, including strategy, methodology, and fully resourced programme.
• Manage all commissioning stages, including Static Completion, Pre-functional Testing, Functional Testing, Integrated System Testing and Building Performance Testing.
• Oversee and verify Factory Acceptance Testing and site-based commissioning activities.
• Ensure compliance with BSRIA, CIBSE, CSA, IET codes of practice, Building Regulations and BREEAM requirements.
• Drive the commissioning programme, monitor progress, and advise on delays.
• Manage documentation, reporting, and production of the final Commissioning Report.
• Ensure safe commissioning practices and adherence to health and safety standards.
• Plan and deliver Employer training, seasonal commissioning and post-PC monitoring.

Skills

Leadership

Commissioning management

Project coordination

Documentation and reporting

Health and safety

Education

CSA Grade 6 or CM2 accreditation

Job description

Do you want to lead commissioning on a large Data Centre project.

Are you passionate about delivering excellence, driving performance, and ensuring safety and quality at every stage?

Then our in-house MEP Engineering business, Crown House Technologies, is the company for you!

We're looking for a PrincipalMEP Commissioning Manager to lead the commissioning process across all MEP systems. In this role, you'll take ownership of strategy and delivery, lead commissioning teams, coordinate specialist contractors, and manage all testing, validation, and handover activities to ensure a fully operational building.

If you join us you'll be a valued member of an industry leading team which can offer you an exciting and varied career with access to some truly great projects. We are committed to extensive training, development, and long-term career opportunities and as such this role is suitable for someone who is seeking long-term career progression.

Keyresponsibilities

• Develop and implement the Commissioning Execution Plan, including strategy, methodology, and fully resourced programme.
• Manage all commissioning stages, including:
  • Static Completion
  • Pre-functional Testing
  • Functional Testing
  • Integrated System Testing
  • Building Performance Testing
• Oversee and verify Factory Acceptance Testing and site-based commissioning activities.
• Ensure compliance with BSRIA, CIBSE, CSA, IET codes of practice, Building Regulations, and BREEAM requirements.
• Drive the commissioning programme, monitor progress, and advise on potential delays.
• Manage documentation, reporting, and production of the final Commissioning Report.
• Ensure safe commissioning practices and adherence to all health and safety standards.
• Plan and deliver Employer training, seasonal commissioning, and post-PC monitoring.

What are we looking for?

• Extensive, recent experience managing commissioning on complex MEP projects.
• Strong knowledge of designprinciples, building operation, and commissioning codes of practice.
• CSA Grade 6 or CM2accreditation (or equivalent proven experience).
• Excellent leadership,communication, and resource planning skills.
• Ability to produce detailedcommissioning strategies, schedules, and reports.

Don't match all the criteria? We are open and always happy to hear from people with transferable skill sets and a commitment to learning

About us

Crown House technologies is one of the UK's most advanced, and innovative, engineering and business services specialists. Part of the Laing O'Rourke Group, and founded on more than 200 years of experience, we are a leading construction and infrastructure technology services provider, supplying a complete Building Services package with communications, ICT, intelligent building, monitoring, BMS and the UK's largest mechanical, electrical & public health manufacturing facility - a 129,000 sq. ft factory - offering Off-site manufacturing and assembly for our digitally engineered modular MEICA packages.

As part of the Disability Confident scheme, we would like to enable access to candidates with long term conditions and disabilities through the ‘Offer an interview scheme'. This supports applicants that meet the essential criteria by offering an interview for the advertised position. Please let us know prior to interview what adjustments are required as well as discussing how we can support you in the workplace.

We want to ensure our recruitment process is accessible to all. If you need the application form in an alternative format or you would like to know more about our recruitment process, please email [e-mail]