Commissioning Manager – Mechanical

Commissioning Manager (Mechanical Bias) – AWE Burghfield

Location: AWE Burghfield (site-based, full-time)Rate: 600/day (Umbrella PAYE, Inside IR35 – all-in)Duration: ASAP – September 2026Clearance: SC preferred (must be eligible to obtain)

We are seeking an experienced Commissioning Manager (Mechanical) to support a major programme within a highly regulated nuclear environment. This role requires a technically strong, self-starting professional with deep experience in mechanical systems, commissioning processes, and documentation within controlled environments.

Role Overview

• Lead and manage commissioning activities across mechanical systems and associated infrastructure
• Oversee full commissioning lifecycle including planning, execution, and handover
• Manage and review commissioning documentation, ensuring accuracy and compliance
• Coordinate with multidisciplinary teams to ensure systems are delivered safely and to specification
• Act as a technical authority on mechanical commissioning matters

Systems & Technical Scope

• Mechanical plant and building services systems
• Gas systems and associated equipment (e.g. compressed air, specialist gases)
• HVAC and ventilation systems
• Pressure systems and distribution networks
• Interface with electrical and control systems where required

Key Responsibilities

• Lead Site Acceptance Testing (SAT) and support Factory Acceptance Testing (FAT) activities
• Review and approve commissioning plans, procedures, and test packs
• Ensure all commissioning activities meet stringent regulatory and safety standards
• Produce and manage detailed commissioning reports and technical documentation
• Drive issue resolution and ensure readiness for system handover
• Maintain a strong focus on compliance within a highly regulated / nuclear environment

Essential Requirements

• Proven experience in a Commissioning Manager or Senior Commissioning Engineer role (mechanical bias)
• Strong background in gas systems, compressed air, or similar mechanical/process systems
• Extensive experience with SAT, FAT, and commissioning documentation/reporting
• Experience working in highly regulated environments (nuclear, defence, pharma, etc.)
• Excellent technical knowledge of mechanical systems and commissioning processes

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