Project Commissioning Manager in England

We are seeking an experienced Project Commissioning Manager to lead and control all commissioning activities across complex, large-scale engineering and construction projects. You will ensure a structured, auditable, and safety-led commissioning approach that delivers fully operational systems aligned with design intent, contractual requirements, and client expectations. As a key member of the Project Senior Leadership Team, you will provide technical authority, leadership, and assurance throughout the commissioning lifecycle – from planning and testing through to client witnessing and final handover.

Responsibilities

• Define, assemble, and manage the commissioning team, including specialist subcontractors.
• Develop, maintain, and communicate the Project Commissioning Plan, including strategies, programmes, inspection and test plans, reporting templates, training, and handover documentation.
• Ensure commissioning activities accurately reflect company, project, and customer requirements, securing approvals and witnessing where required.
• Provide assurance that all testing is completed using calibrated equipment and documented to required standards.
• Provide visible and proactive Health & Safety leadership, embedding a “safety first” culture across all commissioning activities.
• Ensure full compliance with statutory, regulatory, contractual, and company HSEQ standards.
• Review designs and installation works to optimise commissioning efficiency and readiness.
• Support the Planning Manager in developing, sequencing, and reporting the commissioning programme.
• Ensure commissioning personnel and specialist providers are suitably qualified, experienced, and competent.
• Lead the selection and appointment of commissioning specialists in line with contractual and regulatory requirements.
• Identify and mitigate commissioning-related risks, escalating issues promptly and contributing to overall project risk management.
• Produce accurate, comprehensive commissioning reports for internal and external stakeholders.
• Report progress against programme, FATs/SATs, testing status, subcontractor performance, constraints, and corrective actions.
• Lead commissioning meetings and represent commissioning at client and stakeholder progress meetings.
• Engage, motivate, and manage the performance of the commissioning team through clear objectives and regular review.
• Lead by example, setting high standards and fostering a collaborative, high-performing environment.
• Lead client witnessing, demonstrations, and seasonal commissioning activities.
• Ensure all test records and commissioning documentation are completed and included in handover packs.
• Support the compilation of O&M manuals and other project handover materials.

What we’re looking for

• Demonstrable experience in leading installation and commissioning activities.
• MEP/building services background.
• The ability to coach and lead by example.
• Comfortable and experienced in a client facing environment.

Benefits

• Pension with a leading provider and up to 8% employer contribution.
• 25 days holiday.
• Personal Wellbeing and Volunteer Days.
• Private Medical Insurance.
• Free 24/7 365 Employee Assistance Program to support mental health and well-being (including counselling sessions and legal advice).
• Flexible benefits to suit from Dental Insurance, Gym Memberships, Give As You Earn, Travel Insurance, Tax Free Bikes.
• Personal development programme.

Next Steps

As a business, we’re on a journey to build on our culture where everyone is included, treated fairly and with respect. This starts with recruitment and how we bring people into the organisation. We’ll do our best to outline the recruitment process to you ahead of time with plenty of notice. If you require any accommodations to participate in the application or interview process, please let us know and we will work with you to ensure your needs are met.

About Us

We are one of the leading independent engineering and services businesses in the UK. Founded in 1921, with a turnover of £500m and 3000 employees, we are proud of our history of developing great people through our investment in training. Working across a variety of sectors within the building and infrastructure industry, our innovative, responsible and forward-thinking approach allows us to work on fantastic ground-breaking projects, providing solutions using the latest tools and technologies. Progression is something we value, and we will make sure that when you join us you have a clearly defined development path, supported by regular reviews, training and ongoing support to enable you to be the best you can be.