Electrical Supervisor

United Infrastructure is a dynamic and rapidly expanding business, focused on delivering critical infrastructure projects, across the utility and social infrastructure sectors.

Our team of highly skilled and hardworking specialists deliver innovative solutions to the complex challenges our clients face.

Our company is split into two business areas:

Utility Infrastructure –

Our team of Utility Infrastructure specialists design, build and maintain critical water, energy (gas), power and telecoms infrastructure, for the UK’s largest network owners and operators.

Social Infrastructure -

Our team of Social Infrastructure specialists revitalise homes and communities by carrying out a wide range of work, from retrofit to refurbishment, and maintenance.

Role overview

The Electrical Supervisor is responsible for leading, coordinating, and supervising electrical installation, maintenance, inspection, and fault-finding activities across water and wastewater treatment facilities, pumping stations, network assets, and associated infrastructure. The role ensures that all electrical works are completed safely, efficiently, and in compliance with water industry regulations, statutory requirements, and company standards.

Key Responsibilities

Supervision & Leadership

· Supervise a team of electricians, technicians, and contractors carrying out installation, maintenance, testing, and commissioning works.

· Plan and allocate daily tasks to ensure efficient workflow and resource utilisation.

· Monitor work quality, ensuring adherence to specifications, drawings, and method statements.

· Provide technical guidance and mentoring to junior staff.

Electrical Maintenance & Installation

· Oversee maintenance of LV electrical systems, motor control centres (MCCs), pumps, panels, cabling systems, instrumentation, and control equipment.

· Supervise installation of new electrical equipment and plant upgrades in treatment works and network assets.

· Ensure planned preventive maintenance (PPM) is completed to schedule and reactive tasks are addressed promptly.

Compliance, Safety & Quality

· Ensure all work is carried out in accordance with:

o BS7671 (IET Wiring Regulations)

o Water Industry Mechanical & Electrical Specifications (WIMES)

o Health & Safety at Work Act

o Control of Electrical Energy (LOTO procedures)

o DSEAR/ATEX where applicable

· Conduct risk assessments, method statements, toolbox talks, and safety briefings.

· Maintain accurate quality documentation including test certificates and commissioning records.

Fault Diagnosis & Technical Problem-Solving

· Provide technical expertise in diagnosing electrical, control, and automation faults.

· Escalate complex issues and work with engineering teams, SCADA/ICA engineers, and OEMs to resolve problems.

· Perform root cause analysis following equipment failures.

Construction & Project Support

· Supervise electrical works on capital and refurbishment projects.

· Ensure contractor compliance with specifications, safety standards, permits-to-work, and site rules.

· Assist with design reviews, installation checks, commissioning, and handover documentation.

Asset & Documentation Management

· Ensure electrical drawings, schematics, and asset information are kept up to date.

· Record maintenance activities in the company’s asset management system (e.g., SAP, Maximo).

· Provide input for asset condition assessments and lifecycle planning.

Required Qualifications & Certifications

· NVQ Level 3 in Electrical Installation or equivalent

· City & Guilds 2382 (18th Edition Wiring Regulations)

· City & Guilds 2391 (Inspection & Testing) or equivalent

· CSCS/ECS card

· SSSTS card

· Jib Gold card

· Water Hygiene / EUSR National Water Hygiene “Blue Card” (or ability to obtain)

· Full UK Driving Licence

Experience & Technical Skills

· Proven experience supervising electrical works in the water or utilities industry.

· Strong knowledge of water treatment assets: pumps, MCCs, chemical dosing equipment, blowers, screens, UV/ozone systems, etc.

· Familiarity with SCADA, PLCs, instrumentation, and control systems (ICA).

· Ability to read electrical drawings and interpret technical documentation.

· Experience managing contractors and ensuring compliance with CDM Regulations.

Behavioural Competencies

· Strong leadership and communication skills.

· High attention to detail and commitment to safety.

· Ability to work under pressure and manage competing priorities.

· Proactive, problem-solving mindset.

· Team-focused with good interpersonal skills.

Working Conditions

· Based at treatment works, pumping stations, or regional sites.

· Includes site visits, climbing ladders, confined space areas (with training).

· Participation in standby/rota call-out system may be required.

· Outdoor work in varying weather conditions.

Some of our benefits include:

• Career development – from the moment you join, you’ll be supported to develop, grow your skill set and progress your career the way you want.
• Cultivate – access to our idea and innovation platform, empowering you to drive positive business change.
• Cycle to work scheme
• Discounts – access to our leisure and shopping discounts and rewards platform.
• Employee networks – opportunity to join our organisation wide employee networks such as our Veteran’s network, Women’s network, and Young People’s network which is dedicated to supporting and retaining employees in the early stages of their careers and empowers young employees and future leaders through Continuous Professional Development (CPD), Social Value and Team Building initiatives.
• Health and Wellbeing Support – access to our employee programme which includes access to a virtual GP and Dentist, mental health support and counselling, fitness and nutrition, and financial and legal advice.
• Health Cash Plan
• Holiday purchase scheme
• Payroll Giving – the opportunity to donate regularly from your gross pay to support charities of your choice.
• Pension – you will be eligible to join our pension scheme which we will also contribute to.
• Personal Support Network – you will receive a dedicated buddy and mentor and will join an early careers community of peers that will support you forward every step of the way.
• Reward and Award Schemes – access to our long service awards and above and beyond rewards.
• Social Value – you will be encouraged to support social impact activities each year to support charities and local community organisations.