🟢 Actively Hiring · 8d ago ⏳ Closes in 83 days 🇬🇧 UK Corridor 🛡️ UK Work Eligibility 🏢 Company - Public

Substation Craft Assistant

🏢 National Grid · 📍 Cardiff, Wales · 🕒 Oct 14, 2026 · Ref: OP-VERIF-F95A993E
Benchmark Compensation (Annual Base)
£29,076 - £32,314
£2,423 - £2,693 / mo
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Position Overview & Specifications

Substation Craft Assistant Location: Cardiff, GB, CF23 9AN GB Division: SW South Wales East Job Type: Requisition Number: 40733 Department: Electricity Transmission - Operations Job Function: Electric Maintenance and Construction

Join National Grid and start your career in the electricity industry.


£29,076 to £32,314 per annum (including seasonal working allowance) + Benefits Package, Training and Development.
  • We’ll keep you local, Newport and Cardiff – for this role you will need to live within 30 mins from NP10 Postcode.
  • Job Security, substations are a crucial element of electricity supply in this country.
  • Job satisfaction, working in the Electricity Supply Industry is a very rewarding and fulfilling career.
  • We’ll challenge you with a diverse workload covering a wide range of asset types, age, technical complexity, and skillsets utilised.
  • Safety Culture, HV Transmission Substations are inherently hazardous environments, National Grid has extremely high safety standards that team members generally find comfortable working to.

As a Maintenance Assistant, you’ll undertake site routines and other duties on plant and equipment to a defined standard, to ensure optimum efficiency and safety. Day to day – you will drive to various sites in a company vehicle to carry out planned preventative maintenance checks, using an iPad you’ll follow instructions for the required planned checks.


What you’ll need
We would like your cv to show us you are a safe worker, can follow instructions and have practical skills for working on various types of plant and equipment. You’ll enjoy working and helping other people in the team. You can use a laptop and iPad and have a full UK driving license.

Pay and Benefits
  • A competitive salary from £27,521 to £30,759 per annum + Benefits Package, Training and Development.
  • + Seasonal working allowance £1,555 per annum.
  • 25 days annual leave (increasing to 26 after two years’ service) plus eight statutory days
  • The option to buy additional or sell holiday days.
  • Generous contributory pension scheme - we will double-match your contribution to a maximum company contribution of 12%. Overall 18%.
  • Financial support to help cover the cost of professional membership subscriptions, course fees, books, exam fees and time off for study leave – relevant to your role.
  • Access to flexible benefits such as a share incentive plan, salary sacrifice car and technology schemes, support via employee assistance lines and matched charity giving to name a few.
  • Family care benefits including a back-up care service for when your usual care arrangements fall through (six paid days each year as standard with the option to purchase further days).
  • Access to apps that support health, fitness and wellbeing.

Apply now for immediate consideration


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