Commissioning Manager

Job Title: Commissioning (Cx) Manager

Location: Northumberland, England, United Kingdom (UK-wide applications welcome)

Work Type: Full-time | On-site

Reporting To: Commissioning Lead

About Our Client

Our client is a premier turnkey data centre delivery specialist operating at the forefront of the sector across Europe. From initial design and engineering through to construction, testing, and commissioning, they deliver state-of-the-art facilities for world-class clients. Built on a reputation for quality and technical excellence, they are continuing to expand their footprint across the continent.

The Role

On behalf of our client, we are currently seeking a skilled Commissioning (Cx) Manager to join their site delivery team in Northumberland. This pivotal position acts as a primary point of contact across internal and external stakeholder teams. Balancing strong technical expertise with project management rigor, you will oversee all commissioning phases to ensure a seamless handover on a major data centre development.

UK-Wide Applicants Welcome: We encourage applications from across the UK. To support candidate mobility, our client provides fully covered accommodation, mileage expenses, and a weekly net allowance.

Key Responsibilities

Team Leadership: Lead, direct, and supervise site Commissioning Engineers, defining work scopes and driving strategy execution.

Programme & Milestone Management: Manage the overall M&E commissioning schedule, tracking progress, sequencing activities, and mitigating operational risks.

Stakeholder & Client Relations: Act as a key liaison with client stakeholders, vendors, and internal teams to communicate milestones, priorities, and schedules.

Design & Technical Query Resolution: Participate in detailed design reviews (CFCI & OFCI packages) and ensure all technical queries are formally raised, tracked, and resolved with system designers.

Vendor & Testing Oversight: Coordinate Vendor Factory Acceptance Tests (FATs) and Factory Witness Tests (FWTs), managing commissioning scopes for all equipment vendors.

Quality & Documentation: Work alongside the QA/QC department to prepare, review, and approve test scripts, compliance statements, and level sign-off documentation required for final handover.

Meetings & Progress Reporting: Lead daily and weekly commissioning meetings and submit regular technical and progress reports to line management.

EHS & Compliance: Enforce strict adherence to project specifications, standard operating procedures, and site safety protocols across all commissioning works.

Skills & Qualifications

Education & Experience: Degree in Mechanical or Electrical Engineering, or a minimum of 5+ years in a Commissioning leadership role on data centre or mission-critical projects.

Technical Knowledge: A strong background in either Mechanical or Electrical engineering, with solid cross-disciplinary knowledge of full M&E systems.

Stakeholder Management: Proven track record of building effective relationships with clients, sub-contractors, and vendor teams in complex site environments.

Safety Awareness: Thorough understanding of EHS and safe working practices related to live mechanical and electrical commissioning.

What Our Client Offers

Attractive Mobility Package: UK-wide applications accepted, complete with accommodation, mileage cover, and a weekly net allowance.

Critical Infrastructure Projects: Key role in delivering high-profile, complex data centre developments in a rapidly expanding industry sector.

Professional Growth: Structured support for long-term career progression and development within a market-leading business.

Great Culture: Join a forward-thinking, collaborative team of industry specialists.

Competitive Remuneration: Highly competitive salary package commensurate with experience