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400Kv Senior Authorised Person (SAP

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Hunter Philips
Full Time position
Listed on 2026-07-31
Job specializations:
  • Energy/Power Generation
    Field/Service Technician, Electricity Generation, Power Plant / Engineering, Electrical Engineering
Salary/Wage Range or Industry Benchmark: 110700 - 221400 GBP Yearly GBP 110700.00 221400.00 YEAR
Job Description & How to Apply Below
Position: 400Kv Senior Authorised Person (SAP)
Location: Greater London

SENIOR AUTHORISED PERSON (SAP) - 400KV - HIGH VOLTAGE INFRASTRUCTURE - POWER GRIDS - OFTO ASSETS

Location:

Flexible but preferably East of England due to project locations

Contract:

Freelance / Contract

Duration:
Long Term opportunity with an initial 12 month rolling contract (high extension potential)

Sector:
High Voltage OFTO Assets and Onshore Power Grids

Job Overview

Hunter Philips is supporting a leading organisation within the UK's high voltage infrastructure sector in the search for an experienced 400kV Senior Authorised Person (SAP) to join a growing operational team.

This is a key technical position supporting the safe operation of multiple high-voltage assets connected to the SSEN, SPEN and National Grid. The successful candidate will play a pivotal role in maintaining operational excellence across a portfolio of strategically important transmission-connected assets.

This opportunity would suit someone who thrives in a technically demanding environment and enjoys combining hands-on operational responsibilities.

Key Responsibilities
  • Carry out Senior Authorised Person duties including switching, isolation planning, safety documentation, demarcation and outage management.
  • Lead the planning and execution of complex outages across multiple operational assets.
  • Oversee site-level asset execution plans to ensure safe and efficient delivery of operational activities.
  • Act as the primary technical interface with clients on operational and high voltage matters.
  • Coordinate activities across internal engineering teams, contractors and external stakeholders.
  • Ensure full compliance with High Voltage Safety Rules, HSEQ standards and industry best practice.
  • Provide technical support during operational events and unplanned network issues across the asset portfolio.
Qualifications & Experience
  • Current or previous Senior Authorised Person (SAP) authorisation up to 400kV.
  • Extensive operational experience on SSEN, SPEN or National Grid connected transmission assets.
  • Strong background in high voltage switching, outage management and operational safety.
  • Excellent understanding of High Voltage Safety Rules and HSEQ legislation.
  • Strong communication and stakeholder management skills.
  • Ability to make sound technical decisions in a fast-paced operational environment.
Contract Details
  • Contract Opportunity
  • Location:

    Multiple Sites across UK - must be comfortable with travelling
  • High Earning potential due the option of overtime and weekend work
  • Long-Term Assignment
  • Immediate Start Available

This is an excellent opportunity for someone looking to maximise their earnings, with significant overtime and weekend work regularly available. For candidates who can offer flexibility, the role provides the potential to earn well above a standard contract.

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Position Requirements
10+ Years work experience
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