HV Technician

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The HV Technician will work exclusively offshore on a major offshore wind development involving multiple offshore platforms, extensive HV transmission assets, and complex commissioning sequences. The role focuses on high-voltage installation, testing, commissioning, and early-operations support across offshore substations, converter platforms, and export-system interfaces. This is a marine-based position requiring strong HV competence, strict adherence to offshore electrical safety rules, and the ability to operate within a multi-contract offshore construction environment.




Key Responsibilities

• HV Offshore Equipment Installation & Testing — Install, test, and verify offshore HV equipment including switchgear, transformers, protection systems, and cable terminations.
  
  
• Offshore Commissioning Support — Assist commissioning teams with energisation preparation, functional testing, fault-finding, and system verification on offshore platforms.
  
  
• Offshore Electrical Safety — Work under offshore HV safety rules, isolation procedures, LOTO systems, and marine permit-to-work processes.
  
  
• Platform Operations — Support HV activities across offshore substations, converter platforms, and export cable interface points.
  
  
• Documentation & Reporting — Complete offshore test sheets, inspection records, switching logs, and commissioning documentation to project standards.
  
  
• Fault Response Offshore — Support troubleshooting and corrective actions on HV plant during offshore construction, commissioning, and early operations.
  
  
• Contractor & OEM Coordination — Interface with offshore contractors, marine crews, and package teams to ensure safe and compliant execution of HV tasks.
  
  
• Quality Assurance Offshore — Verify installation quality, cable terminations, torqueing, insulation resistance results, and readiness for energisation.
  
  
• System Readiness Offshore — Support offshore walkdowns, punch-list closure, and pre-energisation readiness reviews.
  
  

Required Qualifications & Experience

• Recognised HV Competency — Formal HV switching/authorisation or equivalent HV training.
  
  
• Offshore HV Experience — Proven experience working offshore on HV systems within offshore wind, offshore substations, offshore platforms, or marine energy infrastructure.
  
  
• Technical Knowledge — Strong understanding of offshore switchgear, transformers, protection relays, cable terminations, fibre integration, and SCADA interfaces.
  
  
• Offshore Safety Systems — Experience working under offshore electrical safety rules, LOTO systems, and marine permit-to-work procedures.
  
  
• Documentation Skills — Ability to produce accurate offshore test records, inspection sheets, and commissioning documentation.
  
  
• Communication — Clear English communication skills, both written and verbal.
  
  
• Offshore Certification — Valid GWO, offshore medical, and marine survival certificates.
  
  
• Right to Work — Must hold valid work rights suitable for UK offshore deployment.