On-Site Field Technician – Energy Systems

Rehlko; Heanor; On-site; GBP 32,000 - 42,000; Full time

Job summary

Rehlko is seeking a field-based engineer to support energy resilience projects across customer sites in the UK. You will maintain generators, engines and related equipment, ensuring safety, quality and timely delivery of services.

The role requires adherence to ISO procedures, strong communication with customers, and the ability to prepare site risk assessments and reports. A proactive attitude, PPE discipline and on‑call availability are essential.

Qualifications

• Experience applying safety procedures and ISO standards on site.
• Strong communication with customers and teams.
• Ability to manage parts and tooling for service jobs.
• Willingness to travel and work at customer sites.

Responsibilities

• Ensure all site safety procedures are followed and risks are assessed.
• Maintain generators, engines, and related equipment to high standards.
• Prepare and submit reports and timescales to the office.
• Coordinate with the office for parts, tooling, and expenses.
• Attend emergency call-outs when required and respond professionally.

Skills

Safety compliance

Communication skills

On-site maintenance

Tooling management

Report writing

Tools

Protean system

PDA

Job description

Rehlko is seeking a field-based engineer to support energy resilience projects across customer sites in the UK. You will maintain generators, engines and related equipment, ensuring safety, quality and timely delivery of services.

The role requires adherence to ISO procedures, strong communication with customers, and the ability to prepare site risk assessments and reports. A proactive attitude, PPE discipline and on‑call availability are essential.