Commissioning Manager

Commissioning Manager - Berkshire, UK

Contract - until Dec 2026

Belcan is recruiting for an experienced Commissioning Manager to join our client's defence programme based in Berkshire. This Commissioning Manager role offers the chance to work on one of the UK's most complex and technically demanding infrastructure projects in the nuclear industry. As Commissioning Manager, you will play a critical role in delivering the safe and successful commissioning of specialist process equipment, building services and control systems.

This is a fantastic opportunity for a Commissioning Manager who thrives in regulated environments and enjoys leading teams through challenging commissioning phases.

Key Responsibilities

As Commissioning Manager, you will be responsible for the end‑to‑end management of commissioning activities across allocated work packages, including but not limited to:

Providing advice on safety requirements for all commissioning activities
Managing, overseeing and delivering commissioning work packages within a complex infrastructure environment
Ensuring compliance with client commissioning procedures and ONR Licence Condition 21 (Commissioning)
Planning and coordinating commissioning tests with suppliers and stakeholders
Integrating commissioning prerequisites and test requirements into the project programme
Supporting the development of construction schedules to enable phased release of works
Witnessing Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT)
Managing test failure resolution and corrective actions
Leading commissioning stakeholder engagement and chairing commissioning reviewsAbout You:

Substantial experience commissioning large, complex facilities
Proven experience leading commissioning teams to successful outcomes
Background in defence, nuclear or similarly regulated technical environments
Strong knowledge of commissioning methodologies and best practice
Excellent stakeholder management and communication skills
Full UK driving licenceQualifications & Security Requirements:

Degree‑educated or equivalent professional experience
Due to the requirements of this role, applicants must be eligible for SC or DV security clearance.

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This vacancy is being advertised by Belcan