TP141 Commissioning Engineer

Job Ref: HP-3160 London, United Kingdom Competitive Power Grids ContractTP141 Commissioning Engineer - 400kV National Grid Substation Project - London, England, UK - £Excellent Day Rate - 12 Month Rolling Contract - October/November Start - Monday to Friday (10 Hour Days)We're currently supporting a major T&D EPC Contractor in the search for a TP141 Commissioning Engineer to start in October or November on a 400kV National Grid substation project in London.The project forms part of a major programme to reinforce London’s transmission network and involves the delivery and integration of new 400kV GIS, transformers, protection, control and auxiliary systems.The successful contractor will support commissioning through testing, energisation and handover, with potential to continue onto further UK transmission projects.Responsibilities:Act as the authorised TP141 Commissioning Engineer for site commissioning activities.Plan and execute commissioning activities for a new 400kV GIS substation.Lead testing and commissioning of GIS, transformers and associated primary plant.Coordinate protection, control, interlocking, SCADA/SCS and auxiliary systems commissioning.Support integration of new assets into the existing transmission network.Review commissioning plans, test procedures, ITPs, switching programmes and energisation documentation.Oversee functional, protection, interlocking and end-to-end testing.Coordinate with engineering, construction, client, OEM and subcontractor teams.Support outage planning, energisation and defect resolution.Maintain commissioning and handover documentation.Ensure compliance with transmission procedures, project specifications and safety requirements.Requirements:Valid TP/BP/SR141 commissioning authorisation.Strong 275kV–400kV transmission substation commissioning experience.Proven experience on major UK transmission projects.Hands-on experience with 400kV GIS.Strong knowledge of transformers, protection, control and auxiliary systems.Experience with switching, energisation and operational interfaces.Strong understanding of UK transmission commissioning procedures and safety rules.Ability to work site-based in London.IEC 61850, busbar protection, feeder protection and SCS experience is desirable.Previous Tier 1 transmission EPC experience is desirable.This is a high-profile, long-term 400kV transmission project with the potential to continue across a wider pipeline of UK projects.If you are a TP141-authorised Commissioning Engineer with strong 400kV experience and availability from October or November 2026, please get in touch for a confidential discussion.Interested? Please apply or get in touch using the contact information below to learn more!Cian McLoughlinPrincipal Contract Recruitment ConsultantHunter Philips Executive SearchLandline: Mobile: Email: : linkedin.com/in/cian-mcloughlin-628a72258Web: McloughlinRecruitment Consultant
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