Site Electrical Supervisor

Trant Engineering Ltd.; Southampton; On-site; GBP 36,000 - 48,000; Full time

Benefits offered by this job

Competitive salary

24 days holiday plus bank holidays

Company pension scheme

Further Training / upskilling

Employee assistance program

Discretionary annual bonus

Job summary

Trant Engineering is seeking an Electrical Supervisor to lead on-site electrical teams on nationwide energy projects, coordinating with civil and mechanical disciplines and subcontractors. You’ll enforce Electrical at Work compliance, BS 7671 standards, and project procedures, maintain accurate documentation, drive safe delivery, performance, and handover, and mentor junior staff.

This permanent role offers a structured career path within a growing EPC contractor.

Qualifications

• Must have JIB gold card.
• 18th Edition Wiring Regulations (BS 7671).
• Electrical installation on industrial or infrastructure projects (5-7 years).
• Experience in a supervisory role (2-3 years).

Responsibilities

• Supervise electrical operatives, electricians, apprentices and subcontractors on site.
• Oversee installation of electrical systems including containment, cabling, control panels, MCCs, motors, pumps, instrumentation interfaces, and power supplies.
• Ensure electrical works comply with design drawings, schematics and specifications.
• Coordinate electrical activities with civil, mechanical and process teams.
• Support electrical testing, inspection and commissioning activities.
• Enforce site health, safety and environmental procedures in line with UK legislation.
• Inspect completed works and ensure defects are rectified promptly.
• Maintain accurate records of daily activities, workforce attendance and materials used.

Skills

Team supervision

Leadership

Electrical knowledge

Job description

Site Electrical Supervisor

Department: Electrical

Employment Type: Permanent - Full Time

Location: Southampton

Reporting To: Steve Cross

Description

Join Trant Engineering and help shape the delivery of complex, high-impact projects.

Trant Engineering is a leading EPC contractor with a strong reputation for delivering innovative engineering solutions across the UK and internationally. With over 1,000 employees and a £150m turnover, we’re growing—and now looking for an experienced Electrical Supervisor to join our increasing workload in our Energy division, working on projects for National Grid, National Gas and others.

The Role

As an Electrical Supervisor you'll be supervising electrical teams and subcontractors, coordinating with mechanical and civil disciplines, ensuring compliance with UK electrical regulations, maintaining accurate documentation, and delivering electrical works safely, on time, and to specification. Projects are varied and nationwide - the successful application will be expected to regularly work away during the week.

What You’ll Be Doing

1) Team Supervision & Leadership

• Supervise electrical operatives, electricians, apprentices, and subcontractors on site.
• Allocate work based on competence, project priorities, and programme requirements.
• Monitor productivity, workmanship, and compliance with specifications.
• Provide technical guidance and mentoring to junior electrical staff.

2) Electrical Installation & Project Delivery

• Oversee installation of electrical systems including containment, cabling, control panels, MCCs, motors, pumps, instrumentation interfaces, and power supplies.
• Ensure electrical works comply with design drawings, schematics, and specifications.
• Coordinate electrical activities with civil, mechanical, and process teams.
• Support electrical testing, inspection, and commissioning activities.

3) Health, Safety & Environment (HSE)

• Enforce site health, safety, and environmental procedures in line with UK legislation.
• Ensure compliance with Electricity at Work Regulations 1989.
• Conduct toolbox talks, risk assessments, and method statement briefings.
• Ensure safe isolation, lock-off, and permit-to-work procedures are followed.
• Investigate and report incidents, near-misses, and unsafe practices.

4) Quality Assurance & Compliance

• Ensure electrical installations meet BS 7671 (IET Wiring Regulations) and project standards.
• Inspect completed works and ensure defects are rectified promptly.
• Support FAT/SAT, ITPs, and QA/QC processes.
• Ensure compliance with client, regulatory, and energy sector standards.

5) Documentation & Reporting

• Maintain accurate records of daily activities, workforce attendance, and materials used.
• Review and sign off electrical test results, inspection records, and commissioning documentation.
• Assist in preparing progress reports, as-built records, and handover documentation.
• Ensure electrical documentation is complete, accurate, and compliant.

6) Communication & Coordination

• Liaise with Project Managers, Site Engineers, Site Mangers and Client representatives.
• Coordinate subcontractors and suppliers to ensure timely delivery of works.
• Communicate progress, risks, and resource requirements effectively.

7) Core Values

• Uphold and promote the Company’s Core Values – Care, Trust, Respect and Sustainability.

What We’re Looking For

• JIB gold card
• 18th Edition Wiring Regulations (BS 7671)
• Electrical installation on industrial or infrastructure projects (5-7years)
• Experience in a supervisory role (2-3years)

Desirable

• SMSTS / SSSTS
• NG Person
• SHEA Gas

Why Join Trant?

At Trant Engineering, we deliver complex, high-value engineering and construction projects across the UK. From process and water treatment to energy infrastructure upgrades, we play a key role in delivering and protecting critical national infrastructure - shaping the systems that communities and industries rely on every day.

Our teams design and deliver full EPC solutions, combining technical excellence with practical, hands-on delivery. We offer end-to-end capabilities - from concept and design through to manufacturing, construction and commissioning utilising a continually evolving in-house expertise. This means you’ll work on projects that are varied, challenging and genuinely impactful.

Our multi-disciplinary teams bring together specialists in civil, mechanical, electrical, process, instrumentation, and control & automation engineering, alongside our in-house manufacturing of control panels, MCCs, PLCs and SCADA systems. With over 1,000 people and a strong, growing pipeline of work, it’s an exciting time to join Trant. We are committed to helping our people succeed through our Career Development Association, providing structured support, mentoring and clear pathways to help you reach your full potential.

Whether you’re starting out or looking to take your next career step, Trant offers the chance to develop, progress and make a real difference.

Our company benefits package includes:

• Competitive salary.
• 24 days holiday plus bank holidays.
• Options to buy additional holiday via salary sacrifice.
• Company pension scheme.
• Further Training / upskilling
• Employee assistance program.
• Discretionary annual bonus.

Join us and be part of something bigger.