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 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. 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 Ability to work independently and take ownership of deliverables Valid CSCS card SC Clearance (or ability to obtain) Highly Desirable 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) Additional Information Full-time, site-based role at Burghfield Occasional weekend work available (optional) Long-term contract on a critical UK programme