Commissioning EngineerManchester, UKContract or Full time Permanent hire Customer Note: HV substations during construction, outage, and commissioning phases.Site-based commissioning activities.10 hours/day with 6 days/week and 11 days/fortnight rotations for onshore stations.12 hours/day, 14 days rotation for offshore stations.Job DescriptionThe Commissioning Engineer is responsible for executing, and completing the commissioning of HV substations to ensure that all primary and secondary systems are installed, tested, and energised safely, in accordance with project specifications, statutory regulations, and client requirements.Commissioning ExecutionPlan and carry out interface commissioning activities for transformers, switchgear, protection, control, and auxiliary systems.Execute commissioning in accordance with approved Commissioning Strategies, Inspection & Test Plans (ITPs), and Method Statements.Coordinate commissioning activities across construction, protection, control, SCADA, and client teams to achieve safe energisation milestones. Primary Equipment CommissioningHV and MV equipment interface commissioning including: Power transformers and auxiliary transformersHV/MV switchgear (AIS, GIS)Circuit breakers, disconnectors, earth switchesCurrent transformers (CTs) and voltage transformers (VTs)Perform functional and operational checks prior to energisation. Protection, Control & SCADACarry out testing and commissioning of protection and control schemes, including: Differential, distance, overcurrent, busbar, and transformer protectionInter-tripping, interlocking, alarms, and indicationsPerform secondary and primary injection testing using approved test equipment.Verify SCADA, remote control, and IEC?61850 communication where applicable. Safety and ComplianceCarry out all commissioning activities in strict compliance with: Client and companys Safety Rules and EHS proceduresApproved method statements and risk assessmentsMaintain safe systems of work when interfacing with live or adjacent HV plant.Stop work and escalate any unsafe conditions, non compliances, or protection anomalies.Documentation & QualityProduce, review, and sign off protection test records, relay settings verification sheets, and commissioning certificates.Ensure test results comply with approved Inspection & Test Plans (ITPs).Support resolution and closure of commissioning defects and punch list items.Contribute to as built documentation and handover packs.Interface & SupportLead Commissioning EngineerSite ManagerClient commissioning teamsSupport commissioning panels, energisation reviews, and outage planning activities.Provide technical input during fault investigations or commissioning issues.AuthorisationsCAT-1 for non-energised SSEN stations and CAT-3 for energised SSEN stationsNGP for non-energised NG stations and NGCP for energised NG stationsCCNSG or equivalent ticketJBRP1_UKTJ