Electrical Supervisor - Substation

Job Title: Electrical Supervisor - Substation

Location: Necton 400kv Substation

NRL have got a fantastic opportunity as we are currently searching for an Electrical Supervisor to join one of our client's team. Our client is a leading provider within the Engineering, architecture and construction sectors, and they are looking for an experienced Electrical Supervisor to oversee day to day project duties on the substation.

Job Role:

To supervise and coordinate all electrical activities at a high-voltage (HV) substation site, ensuring that works are executed safely, efficiently and in accordance with technical specifications, industry standards, and project timelines.

Key Responsibilities:

1. Site Supervision - Lead and oversee all on-site electrical activities related to substation construction, installation, maintenance, or upgrades (HV/LV systems).
2. Team Leadership - Supervise electricians, technicians, and subcontractors. Allocate tasks, monitor progress, and ensure adherence to safety and quality standards.
3. Safety & Compliance - Enforce strict compliance with site safety rules, including lockout/tagout, permit to work systems, risk assessments, and HV access procedures.
4. Technical Oversight - Ensure correct installation and commissioning of electrical components such as transformers, switchgear, circuit breakers, CTs/VTs, busbars, protection relays, and control panels.
5. Planning & Coordination - Collaborate with project engineers, civil teams, and grid operators to coordinate works and avoid delays or disruptions.
6. Testing & Commissioning - Support or supervise HV/LV testing, relay configuration, SCADA integration, and system energisation procedures.
7. Documentation & Reporting - Maintain accurate records of progress, testing, inspections, as-built drawings, redlines, and daily logs.

Required Qualifications & Skills:

1. Full UK driving licence
2. Nation Grid Competent Person NSI 6 & 8
3. IOSHH Managing Safely or SMSTS or SSSTS
4. CSCS or CCNSG Safety Passport
5. Minimum 5 years' experience in the T&D industry, preferably on National Grid sites
6. Previous experience in a supervisory level

This position is an 18 month project and will commence from July 2025 on a 6 month rolling contract with a day rate of £375.

If the above sounds of interest, please do apply directly or email your CV to and we will get in touch.

The NRL Group connect global companies with the right people to bring engineering projects to life. Supporting contracting companies with energy transition plans and working with our clients to create a cleaner, greener future.

We welcome applications from every walk of life and are committed to diversity within the industries we support, as a certified Inclusive Recruiter and Armed Forces friendly employer.