# High Voltage Authorised Person (AP)

> ABM UK · Belfast, United Kingdom · Full-time · Posted 2026-11-13

**Workplace:** on_site

**Department:** Northern Ireland

## Description

**Job Title:** High Voltage Authorised Person (AP)

**Location:** Belfast

**Shift Pattern:** Monday to Friday, 08:00 - 16:30, 40 hours per week

ABM is one of the world’s largest providers of integrated facility services. A driving force for a cleaner, healthier, and more sustainable world, ABM provides essential services across a wide range of industries – from commercial office buildings to airports, hospitals, data centres, manufacturing plants and distribution centres, and more.

**Purpose:** To operate and support high-voltage distribution systems safely under the operational control of the Duty HV Senior Authorised Person (SAP), and within a site-, system- and duty-specific written ABM appointment. The role covers authorised switching, safe isolation, limited safety documentation, maintenance support and emergency response.

## Key Responsibilities

**Service Provision**

-   Follow ABM/client Electrical Safety Rules and Duty HV SAP system control; work only on assets and duties specified in the written ABM appointment.
-   Prepare risk assessments, method statements, safety reviews and switching programmes; secure required independent checks and advise affected areas before shutdowns.
-   Perform authorised switching, isolation, proving dead, earthing and restoration using approved safety signs, locks, key boxes and work boundaries.
-   Issue or receive only safety documents allowed by the appointment: HV Limitation of Access and any separately authorised LV documents. HV Permits to Work, Sanctions for Test and HV Isolation/Earthing Certificates are issued by the HV SAP.
-   Brief receiving personnel on equipment identity, isolation points, adjacent live plant and precautions; confirm safe clearance before AP document cancellation and restoration.
-   Keep HV logbooks, mimic diagrams, switching records, key registers, operating files and controlled drawings current; record handovers, restrictions and network changes.
-   Control HV enclosure access and coordinate appointed competent persons and contractors; refer gaps in competency or coverage to the HV SAP and AE.
-   Respond to alarms, protection trips, faults and outages; record indications, assess switchgear risks and obtain approval before reset, reclose or switching changes.
-   Check safety, test and earthing equipment is approved, serviceable, inspected and calibrated; remove defective items and retain inspection records.
-   Support planned HV/LV inspection, PPM, testing, commissioning and repair; coordinate critical supplies, utilities, generators and shutdowns with the HV SAP.
-   Stop unsafe work and escalate hazards, dangerous occurrences, defects and operational restrictions to the HV SAP, AE and Engineering Manager with written reports.

## Requirements

**Essential Criteria:**

·       Recognised electrical apprenticeship or equivalent Level 3 electrical qualification, with sufficient relevant HV operational experience.

·       Recent practical experience as an HV Authorised Person in an industrial, manufacturing or similarly complex environment.

·       Recognised HV operational safety training (such as S5 or accepted equivalent), with approved AP refresher training and reassessment at the required intervals.

·       Current emergency first aid training including treatment for electric shock (renewed at least every three years under the reference rules).

·       Demonstrable competence in switching programmes, isolation, proving dead, earthing, safety document boundaries and controlled restoration.

·       Ability to interpret controlled single-line/mimic diagrams, protection indications, system configurations and safe working boundaries.

·       Working knowledge of electrical safety legislation, risk assessments, safety reviews, method statements and permit requirements.

·       Experience coordinating appropriately appointed competent persons and specialist contractors.

·       Clear written and verbal reporting, including authority to stop work and escalate risk.

·       Ability to join the approved out-of-hours rota.

·       Ability to obtain and maintain relevant client/site security clearances.

·       Completion of ABM competence assessment and receipt/acceptance of a written AP appointment before independent HV duties.

**Desired Experience / Qualifications**

·       ONC, OND, HNC or another relevant Level 4 engineering qualification.

·       Experience operating or maintaining 33 kV systems and complex industrial distribution networks.

·       Additional LV authorisation or demonstrable LV operational competence.

·       Awareness of protection systems, partial discharge monitoring and condition based maintenance.

·       Facilities management experience across the life cycle of HV assets.

·       Experience using CAFM systems and maintaining auditable compliance records.

·       Strong fault finding, commissioning, customer service and organisational skills.

## Benefits

We’re proud to offer a great range of benefits including:

-   24/7 GP: Both you and your immediate family can speak to a UK-based GP from the comfort of your own home
-   Mental Health support and Life Event Counseling
-   Get Fit Programme
-   Financial and legal support
-   Cycle to work scheme
-   Access Perks at Work, our innovative employee app where you can find:

-   Perks: discounts, gift cards, cashback, and exclusive offers
-   Life: Search for resources and tools on topics ranging from family and life to health, money and work
-   Support: Online chat or telephone service for urgent support in a crisis

For more information about ABM’s benefits, visit our [careers page](https://apply.workable.com/abm-careers/)

**ABOUT US**

ABM is one of the world’s largest providers of integrated facility services. A driving force for a cleaner, healthier, and more sustainable world, ABM provides essential services that improve the spaces and places that matter most. ABM offers a comprehensive array of facility services that includes cleaning, engineering, parking, electrical & lighting, energy solutions, HVAC & mechanical, security, and mission critical solutions. ABM delivers these custom facility solutions to properties across a wide range of industries – from commercial office buildings to schools, airports, hospitals, data centres, manufacturing plants and distribution centres, entertainment venues and more. In the UK we’re proud to service icon sites across the country with more than 10,000 team members. For more information, visit [www.abm.co.uk](https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.abm.co.uk%2F&data=05%7C01%7CSophie.Toumazos%40abm.com%7C4cede006bbfc489b7e4108db10294bbb%7C8e4a72ef928b45b6a1377ed7bb318678%7C0%7C0%7C638121541850515509%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=b5hKyuapF%2BWwETv2bIkYXaYR6haWBYCfVqRQeeGyueE%3D&reserved=0).

ABM are committed to employment practices that promote diversity and inclusion in employment regardless of age, disability, gender reassignment, sex, marriage and civil partnership status, pregnancy and maternity status, race, religion or belief. We are proud members of the Armed Forces Covenant Employer Recognition Scheme.

## Apply

[Apply at ABM UK](https://apply.workable.com/abm-careers/j/D8D39007E0/apply)

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