Commissioning Manager – Nuclear | DefenceContract Security Clearance Required - DV ClearanceLocation: Closest Office - Manchester, Glasgow, Reading, Bristol, Reading, Newbury.I'm recruiting on behalf of a key client for an experienced Commissioning Manager to join a major infrastructure programme within a high-security, highly regulated environment.This role plays a key part in the end-to-end commissioning lifecycle—covering planning, testing, verification & validation, through to handover. You’ll be responsible for ensuring that systems and facilities are safe, compliant, and operationally ready.We’re particularly interested in candidates with a background in mechanical, process, electrical, or instrumentation and control (I&C), and a strong understanding of nuclear safety and regulatory compliance. What You’ll Be Doing:Author and implement commissioning strategies and plans aligned with the Work Breakdown Structure (WBS)Develop and maintain commissioning schedules in line with the integrated master scheduleLead Verification & Validation (V&V) activities and associated documentationOversee commissioning processes, ensuring they are fit-for-purpose and effectively rolled out across delivery teamsCollaborate with key internal teams (Operations, OCC, Nuclear Services) and external suppliersDeliver regular updates to the Operational Readiness Manager, achieving key milestonesEnsure robust safety practices for all test and commissioning activitiesWitness FAT, SAT, and Setting to Work (STW) activities in both active and inactive environmentsResolve test failures and manage change to commissioning schedules, resources, and forecastsDrive compliance with LC21 (Commissioning) and associated governance requirementsLead integration of commissioning with the overall programme delivery strategy✅ We’re Looking For Someone With:Demonstrable experience developing commissioning and test strategiesStrong knowledge of V&V methodology (especially the V model)Solid background in nuclear or other highly regulated sectorsDeep understanding of commissioning procedures, LC21, and site safety protocolsExcellent project delivery experience—ideally within nuclear, defence, or similarly complex environmentsConfident communicator, both written and verbal, with experience working across cross-discipline teams and with clientsHigh-level organisational and project management skills Qualifications & Clearance Required:Degree in Engineering or similar relevant discipline, or equivalent experienceProgression toward chartered status with a recognised body is desirable Already hold security clearance ( DV)Expertise in mechanical, electrical, I&C, or process systems preferredIf you or someone in your network is interested, drop me a message for a confidential chat or to request more details. Call me on 0151 666 8929 or email me shas@scantec.co.uk.