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Senior Authorised Person (Sap

Job in Hexton, Hertfordshire, SG5, England, UK
Listing for: The Best Connection
Full Time position
Listed on 2026-07-30
Job specializations:
  • Energy/Power Generation
    Renewable Energy, Electrical Engineering, Field/Service Technician, Electricity Generation
  • Engineering
    Electrical Engineering, Field/Service Technician
Salary/Wage Range or Industry Benchmark: 85000 GBP Yearly GBP 85000.00 YEAR
Job Description & How to Apply Below
Position: Senior Authorised Person (Sap)
Location: Hexton

Our Client based in Watford is looking for a Senior Authorised Person (SAP) to join their team.

Senior Authorised Person (SAP) Role

Purpose:

To deliver and control safe systems of work on high voltage substation sites, undertaking switching, isolation and earthing and controlling access under a permit-to-work regime in accordance with the relevant DNO/TO safety rules.

Senior Authorised Person (SAP)

Key Responsibilities:
  • Act as the appointed SAP for HV switching operations up to the authorised voltage level (11kV - 132kV / 400kV as authorised).
  • Prepare and issue safety documentation - permits to work, sanctions for test, limitations of access and safety programmes.
  • Plan and carry out switching schedules, points of isolation and earthing.
  • Establish and maintain safe systems of work; control site access, key safety and safety keys.
  • Liaise with DNO/TO control rooms and client representatives to coordinate access and outages.
  • Review and approve risk assessments and method statements (RAMS) for HV activities.
  • Brief, supervise and confirm the competence of working parties operating under permit.
  • Support testing and commissioning teams by providing safe isolations and earths.
  • Maintain switching logs, safety records and site safety documentation.
  • Promote and enforce HSE compliance and safety policy at all times.
Senior Authorised Person (SAP) Essential Network Accreditation:

Applicants must hold current authorisation and/or demonstrable delivery experience on at least ONE of the following distribution or transmission networks:

  • Scottish and Southern Electricity Networks (SSEN)
  • UK Power Networks (UKPN)
  • National Grid Electricity Distribution (NGED)
  • National Grid (NG)
Qualifications & Requirements:
  • Current SAP / Senior Authorised Person authorisation on at least one of SSEN, UKPN, NGED or NG.
  • Relevant City & Guilds / NVQ Level 3 in electrical engineering or equivalent HV qualification.
  • CDM awareness; SSSTS or SMSTS desirable.
  • Full UK driving licence.
Experience:
  • Proven HV switching, isolation and earthing experience on DNO/TO networks.
  • Substation environments up to 132kV, with 400kV experience an advantage.
  • Working knowledge of the relevant network operator's safety rules and permit systems.
Skills & Attributes:
  • Thorough understanding of HV plant, switch gear and protection systems.
  • Strong safety leadership and the authority to stop unsafe work.
  • Accurate documentation and record-keeping.
  • Clear communicator with control rooms, clients and site teams.
Salary:

£85,000 per year

Shift Times:

09:00am- 17:00pm (hours may differ, flexibility is needed)

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Position Requirements
10+ Years work experience
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