Site Supervisor

This is a fantastic opportunity for an experienced Transformer Engineer with supervisory experience to join an established business specialising in the installation, assembly and servicing of distribution and power transformers, along with associated package substations.

The successful candidate will combine strong hands-on technical knowledge with the ability to supervise site activities, coordinate engineering teams and ensure transformer installations, testing and maintenance work are completed safely, efficiently and to the highest quality standards.

Working predominantly at customer sites across the UK, with occasional European travel, you will act as a key point of contact for site teams and customers, overseeing day-to-day activities, resolving technical challenges and ensuring projects are delivered in line with specifications, schedules and customer expectations.

The Role

The role will focus primarily on supervising the installation of new transformers and package substations, including the fitting, wiring and testing of distribution and power transformers. Additional responsibilities will include overseeing warranty investigations and rectification work, as well as routine equipment maintenance.

Key Responsibilities

• Supervise and coordinate site engineering teams undertaking the installation, fitting, wiring, assembly and testing of distribution and power transformers and associated package substations.
• Oversee day-to-day site activities, ensuring work is completed safely, efficiently and in accordance with technical specifications, project schedules and quality standards.
• Allocate work, coordinate labour and resources, monitor progress and provide technical guidance and support to site personnel.
• Review assembly instructions, technical drawings, schematic diagrams, pre-assembly images and parts lists to plan and coordinate work activities.
• Ensure the correct parts, subassemblies, tools and materials are available to support site installation and assembly activities.
• Provide hands-on technical support where required, including assembling components, checking connections, fastening parts and resolving mechanical or electrical installation issues.
• Supervise and coordinate site-based testing, commissioning and inspection activities, ensuring equipment meets the required standards before handover.
• Oversee warranty investigations, fault-finding and rectification work, ensuring issues are identified, resolved and communicated effectively.
• Travel to customer and third-party sites throughout the UK and Europe to oversee installations, equipment assembly and testing activities.
• Act as a customer-facing representative of the business, maintaining professional relationships and delivering excellent customer service, including when working under pressure.
• Liaise with customers, project managers, engineers, subcontractors and internal operations teams to coordinate activities and resolve site-related challenges.
• Ensure compliance with Health & Safety legislation, site-specific requirements, risk assessments, method statements and safe systems of work.
• Monitor workmanship and quality standards, identifying areas for improvement and ensuring corrective actions are implemented where necessary.
• Provide guidance, coaching and on-the-job training to colleagues, supporting the development of technical skills and safe working practices.
• Take a proactive approach to problem-solving, using initiative to manage changing priorities while maintaining a strong focus on safety and project delivery.
• Maintain awareness of relevant legislative changes, technical developments and company communications.
• Be flexible to accommodate customer requirements, including occasional unsociable hours and short-notice site attendance.
• Support continuous improvement initiatives to enhance site efficiency, quality, safety and customer satisfaction.

Skills, Knowledge & ExperienceEssential

• Previous supervisory or team leadership experience within a mechanical or electrical engineering environment, ideally involving power or distribution transformers and associated equipment.
• Strong practical experience of transformer installation, fitting and assembly, including distribution and power transformers and associated package substations.
• A hands-on technical background in mechanical or electrical engineering, with the ability to support site teams in resolving technical issues.
• Experience supervising site-based engineering activities and coordinating personnel to ensure work is completed safely, efficiently and to specification.
• Ability to read and interpret mechanical drawings, electrical schematics, assembly instructions and technical documentation.
• Apprentice-trained or qualified in a relevant mechanical or electrical engineering discipline.
• Good understanding of Health & Safety requirements, risk assessments and safe working practices within an engineering or site-based environment.
• ECS accreditation.
• Full UK driving licence and willingness to travel throughout the UK and occasionally Europe.

Strong fault-finding, troubleshooting and problem-solving skills.

Excellent written and verbal communication skills, with the confidence to liaise professionally with customers, colleagues and subcontractors.

Strong organisational skills, attention to detail and the ability to manage competing priorities.

A flexible, proactive approach, with the ability to respond to changing site requirements and attend sites at short notice when necessary.

Desirable

Experience of transformer testing and commissioning, including full testing procedures.

Previous experience overseeing warranty investigations, fault diagnosis and rectification work.

Experience working within a continuous improvement environment.

Current Overhead Crane and Slinging/Lifting certification.

Valid FLT licence.

Experience delivering technical training, coaching and skills development to engineering colleagues.

Experience coordinating subcontractors and working across multiple customer sites.

Salary and Benefits

Negotiable salary, dependent on experience.

25 days'' annual leave plus 8 bank holidays.

Company profit share scheme, paid quarterly.

Two paid breaks.

Death-in-service benefit of three times salary.

Healthcare cash plan scheme.

Employee Assistance Programme.

Salary sacrifice electric vehicle scheme and on-site electric vehicle charging points.

Four weeks'' full-pay maternity/paternity leave.

Pension scheme.