Apprentice High Voltage Maintenance Fitter - Birmingham

NG BAILEY GROUP LIMITED

Birmingham (B37 7HG)

Closes in 19 days (Friday 20 February 2026)

Posted on 28 January 2026

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Summary

Join Freedom and be part of the next generation of people who design, build, maintain and renew electricity infrastructure. You will learn from the industry’s best, working with teams installing and constructing electrical power distribution and transmission systems in a manner that delivers safe, high workmanship quality.

Wage

Competitive

Competitive wage offered

Check minimum wage rates (opens in new tab)

Training course
Power industry substation fitter (level 3)
Hours
Monday- Friday 07:00- 17:30pm dependent on project,

40 hours a week

Start date

Wednesday 26 August 2026

Duration

4 years

Positions available

1

Work

Most of your apprenticeship is spent working. You’ll learn on the job by getting hands-on experience.

What you'll do at work

  • The installation of ground mounted and structure mounted power system components including cable systems, switchgear, transformers, busbars, relay panels and associated equipment in substations operating at up to 132kV
  • Read and understand engineering drawings, wiring and circuit diagrams
  • Inspect and test electrical installations between 240V and 415V
  • Diagnose and rectify faults on a range of circuits and equipment
  • Use small hand tools such as and including, screwdrivers, pliers, grips, hammers, saws, etc.
  • Operate electrical 110v and battery powered tools such as SDS drills, combi drills, impact drivers, disc grinders etc.
  • Install cable tray containment, racking systems required multicores, HV cables including installation of cantilever un-strut brackets
  • Installation of multicore cables on prepared cable trays and in cable troughs within substation compounds, including relay rooms and the glanding & termination of such cables, wiring of electrical relay panels, battery chargers, outdoor plant etc.

Where you'll work

Ts1, Pinewood Court
Coleshill Road, Marston Green
Birmingham
B37 7HG

Training

Apprenticeships include time away from working for specialist training. You’ll study to gain professional knowledge and skills.

Training provider

UTILITY & CONSTRUCTION TRAINING LIMITED

Training course

Power industry substation fitter (level 3)

Understanding apprenticeship levels (opens in new tab)

What you'll learn

Course contents
  • Review drawings, instructions, or information to understand the task for example, work instructions, design specifications, utility plans, on-line search documents.
  • Prioritise and plan tasks with consideration for safety, environmental impact, quality, and cost.
  • Identify and organise resources to complete tasks for example, consumables.
  • Identify apparatus to be worked on.
  • Receive and clear a safety document. Brief a working party.
  • Follow substation access and egress procedures.
  • Identify hazards and risks and apply control measures.
  • Apply health and safety procedures in compliance with regulations, standards, and guidance. For example, demarcate the work area, working at height, confined spaces, COSHH.
  • Respond in the event of an emergency first aid situation including situations where there is electrical risk.
  • Apply measures to leave power work environments in a safe condition.
  • Apply security measures for example, set alarm system, remove climbing aides.
  • Apply sustainability principles for example, minimising waste.
  • Segregate waste for reuse, recycling, and waste transfer.
  • Conduct plant or vehicle checks.
  • Use working at height access equipment for example, scaffold towers and ladders.
  • Select, inspect, and use working at height personal protective equipment.
  • Select, check, prepare, use, and store hand tools and power tools.
  • Select, check, and prepare resources.
  • Identify areas for improvement. For example, in relation to quality, cost, time, safety, or environmental impact.
  • Apply team working principles.
  • Communicate with others to give and receive information for example, colleagues, customers, and stakeholders.
  • Escalate issues outside limits of responsibility.
  • Record information.
  • Produce or amend documents for example, handover notes, procedures, and reports.
  • Use digital and information technology. Follow cyber security requirements.
  • Carry out and record planned and unplanned learning and development activities.
  • Read, interpret, and follow maintenance specifications.
  • Conduct diagnostic testing to identify asset condition; identify action.
  • Conduct continuity testing using a continuity test instrument or multimeter.
  • Conduct joint or contact resistance testing using a contact resistance tester (ductor).
  • Conduct insulation testing using an insulation test instrument.
  • Conduct circuit breaker timing tests.
  • Set up oil pumping equipment.
  • Remove and replace insulating oil from substation plant avoiding contamination.
  • Clean oil filled equipment following removal of insulating oil.
  • Check circuit breaker contact condition; remove and replace or dress.
  • Take oil samples from equipment.
  • Clean and lubricate operating mechanisms using approved lubricants.
  • Adjust, remove, and replace components for example, gaskets.
  • Conduct functional tests of equipment - post maintenance or routine.
  • Inspect substation site, buildings and equipment including steelwork and neutral earthing conductors and connections and identify defects.
  • Conduct electrical testing of earth electrodes using a digital earth resistance tester.
  • Joint earthing conductors using mechanical compression joints.
  • Check battery connections for any damage, clean cells, check monitoring alarms, check function of charging equipment.
  • Test substation batteries using voltage and analytical testing instruments.
  • Conduct supply checks of a low voltage single and three phase supply to identify: correct polarity, voltage, earth fault loop impedance and phase rotation.
  • Use electrical test instruments to diagnose a fault condition on low voltage distribution or control equipment for example open circuit, blown fuse, short circuit or out phase condition.
  • Interpret network schematic diagrams and geographic records to identify running arrangements prior to operation.
  • Prepare low voltage or high voltage switching operation schedules.
  • Operate network switching equipment such as switches, circuit breakers, links or fuses on low voltage or high voltage distribution networks.
  • Interpret network schematic diagrams prior to carrying out testing activities.
  • Use mobile elevated work platforms.
  • Use diagnostic equipment to identify asset condition; identify action.
  • Conduct testing using a continuity test instrument or multimeter.
  • Conduct resistance testing using a contact resistance tester (ductor).
  • Remove and replace insulating medium for example, oil, SF6 or air from transmission plant avoiding contamination.
  • Clean equipment following removal of insulating medium.
  • Take insulation medium samples from equipment for example, oil, SF6.
  • Adjust or replace components.
  • Conduct functional tests of equipment, post maintenance or routine, to confirm operating to expected parameters.
  • Conduct a visual inspection of transmission steelwork earthing connections; identify issues.
  • Restore power.
  • Conduct transformer maintenance including tap changers, Buchholz relay, WTI, qualitrol, breathers, surge arrestors, coordinating gaps, arcing horns, insulator checks and recalibrating (LNER).
  • Conduct air system maintenance including making new pipework HP fittings, air leak detection and gas leak detection.
  • Conduct ancillary equipment maintenance.
  • Read, interpret, and follow representations, drawings, and graphical information to complete tasks. For example, multicore diagrams, schematics, and core sheets.
  • Prove plant, equipment, cabling, and system is safe to work on. For example, prove dead, isolate.
  • Check earthing is in place. For example, additional earths, equipment earths, and drain earths.
  • Follow lifting plan.
  • Install batteries. Check function and action as required.
  • Position transformers.
  • Locate and fix high voltage switchgear.
  • Select, position, and install AC/DC supply power cable and power wiring.
  • Apply mechanical connections, brazing, and welding techniques.
  • Lay and fix earth tape within excavation and to plant and equipment.
  • Produce wiring core sheets from wiring diagrams.
  • Select, position, and install containment management system. For example, unistrut, ladder tray, and trunking.
  • Select, position, and connect multi-core wiring including glanding, looming, crimping, and ferruling. For example, panel wiring within a protection panel and switchgear. Apply labelling and identification system.
  • Use test instruments. For example, volt meters, multi-function tester, and resistance tester.
  • Conduct mechanical testing. For example, torque and proof loading.
  • Conduct alignment checks.
  • Take oil samples for testing.
  • Apply diagnostic fault-finding techniques.
  • Interpret test results and action as required.
  • Replace components within equipment.
  • Remove cabling and equipment.
  • Review drawings, instructions, or information to understand the task for example, work instructions, design specifications, utility plans, on-line search documents.
  • Prioritise and plan tasks with consideration for safety, environmental impact, quality, and cost.
  • Identify and organise resources to complete tasks for example, consumables.
  • Identify apparatus to be worked on.
  • Receive and clear a safety document. Brief a working party.
  • Follow substation access and egress procedures.
  • Identify hazards and risks and apply control measures.
  • Apply health and safety procedures in compliance with regulations, standards, and guidance. For example, demarcate the work area, working at height, confined spaces, COSHH.
  • Respond in the event of an emergency first aid situation including situations where there is electrical risk.
  • Apply measures to leave power work environments in a safe condition.
  • Apply security measures for example, set alarm system, remove climbing aides.
  • Apply sustainability principles for example, minimising waste.
  • Segregate waste for reuse, recycling, and waste transfer.
  • Conduct plant or vehicle checks.
  • Use working at height access equipment for example, scaffold towers and ladders.
  • Select, inspect, and use working at height personal protective equipment.
  • Select, check, prepare, use, and store hand tools and power tools.
  • Select, check, and prepare resources.
  • Identify areas for improvement. For example, in relation to quality, cost, time, safety, or environmental impact.
  • Apply team working principles.
  • Communicate with others to give and receive information for example, colleagues, customers, and stakeholders.
  • Escalate issues outside limits of responsibility.
  • Record information.
  • Produce or amend documents for example, handover notes, procedures, and reports.
  • Use digital and information technology. Follow cyber security requirements.
  • Carry out and record planned and unplanned learning and development activities.

Training schedule

  • You will attend college to complete the Level 3 Apprenticeship in Electrical Installation
  • In addition, you will regularly attend in house training and development as part of the programme

Requirements

Essential qualifications

GCSE in:

  • English Language (grade C/4 or above)
  • Maths (grade C or above)
  • Science (grade C/4 or above)

Share if you have other relevant qualifications and industry experience. The apprenticeship can be adjusted to reflect what you already know.

Skills

  • Communication skills
  • Attention to detail
  • Organisation skills
  • Problem solving skills
  • Analytical skills
  • Logical
  • Team working

Other requirements

  • Work at our offices and undertake site visits.
  • Be prepared for early starts and travel away from home when necessary.
  • Develop great working relationships with some of the industry’s most talented people.
  • Have a strong support network giving you the chance to build your confidence and use your initiative.

About this employer

NG Bailey is the UK's leading independent engineering and services business. Our vision is ‘to be the best – creating exceptional environments for present and future generations’. We work across a variety of sectors within the building and infrastructure industry, and our innovative, responsible and forward-thinking approach allows us to work on fantastic ground-breaking projects. Our company has two divisions, Engineering and Services, which together we bring buildings and infrastructure to life.

https://www.ngbailey.com/ (opens in new tab)

Company benefits

  • Pension and employer contribution
  • Personal Wellbeing/Volunteer days
  • Life Assurance
  • Employee Assistance Programme
    Discounted gym memberships

After this apprenticeship

  • Once qualified there is the potential of a permanent position within the company. If you successful gain a permanent position there are many opportunities to advance your career

Ask a question

The contact for this apprenticeship is:

UTILITY & CONSTRUCTION TRAINING LIMITED

The reference code for this apprenticeship is VAC2000009888.

Apply now

Closes in 19 days (Friday 20 February 2026)

After signing in, you’ll apply for this apprenticeship on the company's website.