Rubicon Consulting is currently recruiting for Commissioning Engineer on a 4 Month Contract, based in Northwest Wales Role Summary We are seeking an experienced Commissioning Engineer to support delivery activities on a major National Grid infrastructure project in Northwest Wales. The successful candidate will be responsible for the safe planning, execution, and documentation of commissioning activities associated with HV substation and transmission systems. This role requires strong experience within National Grid environments, a solid understanding of commissioning procedures, and the ability to coordinate effectively with site teams, SAPs, contractors, and client representatives to ensure successful energisation and handover. Key Responsibilities Plan and execute commissioning activities in line with project specifications, safety standards, and National Grid procedures Carry out testing and commissioning of HV plant and equipment including: * Protection systems * Transformers * Switchgear * CTs/VTs * Control and SCADA systems * Review and interpret: * Single line diagrams * Protection schematics * Wiring diagrams * Commissioning procedures Requirements Essential Requirements * Proven experience as a Commissioning Engineer on National Grid or HV transmission projects * Strong background in HV substation commissioning (132kV–400kV preferred) ...