Electrician
| Posting date: | 06 March 2026 |
|---|---|
| Salary: | £47,500 to £51,750 per year |
| Hours: | Full time |
| Closing date: | 05 April 2026 |
| Location: | Caldicot, Wales, NP26 5PX |
| Company: | M Group Services |
| Job type: | Permanent |
| Job reference: | 59371946 |
Summary
About The Role
Right across infrastructure, there’s a requirement to not only maintain, but also renew and reimagine. Whatever stage you’re at in your career, with us you’ll have an opportunity to grow and develop. Delivering essential infrastructure services for life, while being safety first, and client and customer centric in a friendly, fun and respectful environment where you are encouraged to thrive.
Where will you be working?
At M Group Energy, we’re enabling the energy essential to support our lives.
We provide an end-to-end service, delivering solutions in electricity transmission, distribution, renewable energy, EV, metering and home decarbonisation.
This role will be within our Electricity Transmission team. We design, build and commission substations at voltages up to and including 400kV. Our teams construct and maintain transmission lines and substations, ensuring the efficient and reliable delivery of electricity.
What you'll be doing
- Carry out electrical installation and refurbishment activities on AIS/GIS switchgear, protection and control panels, LVAC boards, marshalling kiosks, relay racks, battery boards, and associated substation equipment.
- Install, dress, route, and secure cables in line with cable schedules, wiring diagrams, and red/green drawing mark‑ups, ensuring all wiring is accurate, neat, and compliant.
- Perform cable glanding and terminating on multicore, LV, and control cables, including preparing gland plates, fitting ferrules, and completing termination sheets.
- Fit and install electrical containment such as cable tray, rack, trunking, conduit, and associated supports to the required standard.
- Loom and connect wiring inside control, protection, and LVAC panels, ensuring correct routing, identification, torquing, and termination quality.
- Carry out earthing and bonding works, installing earth links, braids, and equipment bonding in accordance with substation installation requirements.
- Support installation works on battery systems, telecoms equipment, supplies pillars, GPS antennae, and other auxiliary electrical systems as required.
- Work safely within National Grid safety frameworks and MGroup procedures, including NSI compliance, LV permit requirements, and safe isolation practices.
- Follow task‑specific RAMS, maintain good housekeeping, and ensure all installations meet MGroup and National Grid quality expectations.
- Communicate clearly with the Electrical Chargehand and Site Supervisor, providing accurate progress updates, reporting issues promptly, and contributing to a positive and safe working environment.
What you’ll bring
- Recognised electrical apprenticeship or NVQ Level 3 in Electrical Installation / Engineering. (People with relevant experience will be considered)
- Competent in LV and control cable installation, termination, and testing.
- Current ECS or CSCS card.
- Full UK driving license.
What’s in it for you?
We offer a range of benefits designed to support your life in and out of work, some of which include;
- Matched or contributory pension scheme
- Online GP service, 24 hours a day, 365 days a year
- Employee assistance programme
- My Rewards portal, access to 1000’s of retail discounts
- Life assurance
- Cycle to work, salary finance and give as you earn schemes
- Enhanced maternity, paternity leave and adoption leave
- Reward and recognition scheme
In addition, this role offers:
- Company van and fuel card for business use
- 21 days annual leave plus bank holidays
- Recommend a friend – get rewarded for introducing people to us!
- Standby / Overtime / Call out
- Personal Accident Cover
Please note: Occasionally, job adverts might be closed before the stated closing date. Do apply as soon as possible to ensure your application is considered.
For certain roles, successful candidates will be subject to 3rd party background checks as part of the hiring process. Some roles require drug and alcohol testing as part of induction and onboarding.
Right across infrastructure, there’s a requirement to not only maintain, but also renew and reimagine. Whatever stage you’re at in your career, with us you’ll have an opportunity to grow and develop. Delivering essential infrastructure services for life, while being safety first, and client and customer centric in a friendly, fun and respectful environment where you are encouraged to thrive.
Where will you be working?
At M Group Energy, we’re enabling the energy essential to support our lives.
We provide an end-to-end service, delivering solutions in electricity transmission, distribution, renewable energy, EV, metering and home decarbonisation.
This role will be within our Electricity Transmission team. We design, build and commission substations at voltages up to and including 400kV. Our teams construct and maintain transmission lines and substations, ensuring the efficient and reliable delivery of electricity.
What you'll be doing
- Carry out electrical installation and refurbishment activities on AIS/GIS switchgear, protection and control panels, LVAC boards, marshalling kiosks, relay racks, battery boards, and associated substation equipment.
- Install, dress, route, and secure cables in line with cable schedules, wiring diagrams, and red/green drawing mark‑ups, ensuring all wiring is accurate, neat, and compliant.
- Perform cable glanding and terminating on multicore, LV, and control cables, including preparing gland plates, fitting ferrules, and completing termination sheets.
- Fit and install electrical containment such as cable tray, rack, trunking, conduit, and associated supports to the required standard.
- Loom and connect wiring inside control, protection, and LVAC panels, ensuring correct routing, identification, torquing, and termination quality.
- Carry out earthing and bonding works, installing earth links, braids, and equipment bonding in accordance with substation installation requirements.
- Support installation works on battery systems, telecoms equipment, supplies pillars, GPS antennae, and other auxiliary electrical systems as required.
- Work safely within National Grid safety frameworks and MGroup procedures, including NSI compliance, LV permit requirements, and safe isolation practices.
- Follow task‑specific RAMS, maintain good housekeeping, and ensure all installations meet MGroup and National Grid quality expectations.
- Communicate clearly with the Electrical Chargehand and Site Supervisor, providing accurate progress updates, reporting issues promptly, and contributing to a positive and safe working environment.
What you’ll bring
- Recognised electrical apprenticeship or NVQ Level 3 in Electrical Installation / Engineering. (People with relevant experience will be considered)
- Competent in LV and control cable installation, termination, and testing.
- Current ECS or CSCS card.
- Full UK driving license.
What’s in it for you?
We offer a range of benefits designed to support your life in and out of work, some of which include;
- Matched or contributory pension scheme
- Online GP service, 24 hours a day, 365 days a year
- Employee assistance programme
- My Rewards portal, access to 1000’s of retail discounts
- Life assurance
- Cycle to work, salary finance and give as you earn schemes
- Enhanced maternity, paternity leave and adoption leave
- Reward and recognition scheme
In addition, this role offers:
- Company van and fuel card for business use
- 21 days annual leave plus bank holidays
- Recommend a friend – get rewarded for introducing people to us!
- Standby / Overtime / Call out
- Personal Accident Cover
Please note: Occasionally, job adverts might be closed before the stated closing date. Do apply as soon as possible to ensure your application is considered.
For certain roles, successful candidates will be subject to 3rd party background checks as part of the hiring process. Some roles require drug and alcohol testing as part of induction and onboarding.