Job Description

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 2026
Clearance: 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.

• 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

• 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

• 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

• 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
• Ability to work independently and take ownership of deliverables
• Valid CSCS card
• SC Clearance (or ability to obtain)

• Previous experience working on AWE projects or within the nuclear sector
• Experience in defence or other high-security environments
• Relevant engineering qualification (HNC/HND/Degree in Mechanical or related discipline)

• Full-time, site-based role at Burghfield
• Occasional weekend work available (optional)
• Long-term contract on a critical UK programme