We are currently seeking 2 x Commissioning Engineers for a major transmission substation project based at Creag Dhubh. This is a 4-month contract opportunity working on high-voltage infrastructure within a live transmission environment.Key ResponsibilitiesCommissioning and testing of 132/220/400kV substationsTesting of CTs and VTsChecking and verification of protection schemes, including Busbar ProtectionInterface testing of Transformers, Circuit Breakers, Reactors, and GISCarrying out Primary Injection and Secondary Injection testingSupporting commissioning documentation, fault finding, and energisation activitiesRequirementsProven experience in HV/EHV transmission substation commissioningStrong understanding of protection and control systemsPrevious experience on National Grid or similar transmission projects preferredAbility to work independently within a commissioning team environment