Commissioning Manager

Who we are and what we offer

Interested in shaping skylines across the globe? Multiplex is a premier construction company with a simple purpose: to construct a better future. As part of our team, you'll have the opportunity to help deliver some of the world's most iconic projects, supported by approachable leadership and an inclusive culture that puts our people first.

You will also have access to a range of holistic benefits including:

• Discretionary annual bonus
• 8% company contribution pension
• 25 days annual leave + holiday buy options
• Single private medical cover, employee assistance programme, and virtual GP service
• Competitive parental leave
• Flexible benefits such as season ticket loans, discounted gym memberships and cycle-to-work scheme
• Professional career development opportunities and a wealth of learning offerings through the Multiplex Learning Academy
• Industry-leading approach to flexible work to enable better work-life balance

The Commissioning Manager will report to the Building Services Project Manager and/or the Commissioning Lead. They will provide and oversee all aspects of commissioning with a strong BMS input, interface with client and subcontractors to ensure successful commissioning, demonstration and training of all systems contained within the project.

• Develop and maintain commissioning lookahead schedules and monitor progress.
• Implement the project's commissioning strategy in alignment with overall delivery goals.
• Conduct design and construction reviews.
• Review and provide feedback on commissioning method statements.
• Prepare, review and manage the commissioning programme, ensuring logical sequencing and alignment with project milestones.
• Attend and document meetings and technical workshops.
• Perform pre-commissioning installation inspections and QA walkdowns.
• Lead and manage the testing, pre-commissioning, and commissioning processes.
• Provide proactive leadership to subcontractor commissioning teams to ensure timely and efficient progress.
• Guide the construction team on commissioning requirements and building readiness for commissioning.
• Collaborate closely with the construction team to monitor subcontractor and specialist works.
• Witness both off‑site and on‑site testing and commissioning activities.

• Experience in the construction building services sector with a strong track record in commissioning and handing over large, technically complex projects.
• Deep technical knowledge and hands‑on experience in mechanical and BMS commissioning and fault finding.
• Proven ability to manage building services subcontractors through installation and commissioning phases.
• Experience delivering successful project handovers, including client training, commissioning manuals, and O&M documentation.
• Proficiency in reviewing and developing method statements and commissioning procedures.
• Experience in developing and managing master commissioning programmes for major projects.

We invite applications from people of all genders, cultures and walks of life. A note on diversity:
Diversity is about celebrating the ways we are all different and appreciating the unique qualities that every employee brings. We are committed to providing a barrier‑free work environment and can support with reasonable adjustments at any stage of the recruitment process.

Research shows that women and people from underrepresented groups are less likely to apply for roles if they don't meet every qualification; even if you don't meet all the criteria - if you are passionate about helping to construct a better future, we'd love to hear from you.