Generator Workshop Engineer

Rehlko; Heanor; On-site; GBP 40,000 - 56,000; Full time

Benefits offered by this job

Private healthcare

33 days holiday

Training and upskilling

Death in service benefit

Long-term progression opportunities

Employee Assistance Programme

Job summary

Rehlko in the United Kingdom is seeking a Workshop Generator Engineer to maintain, service, and prepare diesel generators for deployment. You will diagnose faults, perform repairs, and ensure equipment meets quality and safety standards in a busy workshop.

The role requires strong mechanical and electrical skills, the ability to read diagrams, and attention to detail. You will work in a safety‑compliant environment with opportunities for training and career progression.

Qualifications

• Proven experience working with diesel generators or similar mechanical/electrical plant.
• Strong mechanical and electrical diagnostic skills.
• Ability to read and interpret technical drawings, wiring diagrams, and service manuals.
• Experience with engine systems (e.g., Volvo, Scania, Perkins, MTU) is advantageous.
• Knowledge of control panels, alternators, and generator control systems (e.g., Deep Sea, ComAp) is desirable.
• Strong understanding of workshop safety and compliance requirements.
• Ability to work independently and as part of a team.
• High attention to detail and a commitment to quality.
• Full UK driving licence preferred.

Responsibilities

• Carry out servicing, maintenance, and repair of diesel generators ranging from small sets to large multi‑megawatt units.
• Diagnose mechanical and electrical faults using appropriate tools, equipment, and diagnostic software.
• Complete pre‑hire inspections, ensuring all equipment meets Rehlko’s quality and safety standards.
• Prepare generators, distribution equipment, and associated components for deployment to customer sites.
• Conduct load bank testing, functional checks, and performance verification.
• Maintain accurate service records, job sheets, and compliance documentation.
• Ensure all workshop activities are completed in line with ISO9001, ISO14001, and ISO45001 procedures.
• Support continuous improvement by identifying opportunities to enhance reliability, efficiency, and preparation standards.
• Assist with workshop organisation, housekeeping, and stock control.
• Work collaboratively with the wider engineering and operations teams to ensure smooth workflow and timely delivery.
• Adhere to all health, safety, and environmental requirements within the workshop environment.

Skills

Diesel generators

Mechanical diagnostics

Electrical diagnostics

Technical drawings

Engine systems

Generator control systems

Control panels

Workshop safety

Teamwork

Attention to detail

UK driving licence

Tools

Diagnostic software

Job description

Why Work at Rehlko

Our work is guided by our purpose: creating an energy-resilient world for a better future. This purpose embodies the legacy we bring, with more than 100 years as the global leader in energy resilience, delivering solutions critical to sustain and improve life.

Our teams have the opportunity to provide a critical resource – energy – that ensures safety, security, and independence for people around the world. Our team members are focused on pushing boundaries, continuing to innovate in an ever-changing landscape, and keeping up with the pace required to create solutions for today’s world demands.

Our product range includes engines, generators, power conversion, UPS systems, EV components and electrification solutions, microgrid controls and management, and clean energy solutions that serve a broad spectrum of OEM, residential, industrial, and commercial customers. At Rehlko, you have the freedom to identify, create, and deliver solutions – large and small – that help people and communities thrive in the moments that matter.

At Rehlko, our team members are the essential energy that powers our organization’s success. We are committed to fostering a safe and sustainable work environment where safety is everyone’s responsibility. We empower every team member to actively participate in our Zero Is Possible safety culture by encouraging open communication, proactively reporting hazards, following protocols, and suggesting improvements.

Join us in creating an energy resilient world for a better future!

What We Offer

At Rehlko, our Total Rewards programs are designed to accelerate growth, energize performance, and support a culture of inclusion at every stage of life and work. We offer total rewards that are easily understood, recognize results, enable career mobility, and reflect our commitment to valuing diverse needs in a fast-moving world. We provide:

• Competitive compensation and benefits
• Work-life flexibility
• Recognition and rewards
• Development and career opportunities
• A safe and inclusive workplace

Why You Will Love this Job

The Role

As a Workshop Generator Engineer, you will play a key role in ensuring our fleet is maintained, serviced, and prepared for deployment. Working within a busy workshop environment, you will diagnose faults, carry out repairs, complete routine servicing, and ensure all equipment meets Rehlko’s quality, safety, and compliance standards before leaving the depot.

This is a hands‑on technical role requiring strong mechanical and electrical capability, attention to detail, and a commitment to delivering high‑quality work.

Key Responsibilities

• Carry out servicing, maintenance, and repair of diesel generators ranging from small sets to large multi‑megawatt units.
• Diagnose mechanical and electrical faults using appropriate tools, equipment, and diagnostic software.
• Complete pre‑hire inspections, ensuring all equipment meets Rehlko’s quality and safety standards.
• Prepare generators, distribution equipment, and associated components for deployment to customer sites.
• Conduct load bank testing, functional checks, and performance verification.
• Maintain accurate service records, job sheets, and compliance documentation.
• Ensure all workshop activities are completed in line with ISO9001, ISO14001, and ISO45001 procedures.
• Support continuous improvement by identifying opportunities to enhance reliability, efficiency, and preparation standards.
• Assist with workshop organisation, housekeeping, and stock control.
• Work collaboratively with the wider engineering and operations teams to ensure smooth workflow and timely delivery.
• Adhere to all health, safety, and environmental requirements within the workshop environment.

The Person

• Proven experience working with diesel generators or similar mechanical/electrical plant.
• Strong mechanical and electrical diagnostic skills.
• Ability to read and interpret technical drawings, wiring diagrams, and service manuals.
• Experience with engine systems (e.g., Volvo, Scania, Perkins, MTU) is advantageous.
• Knowledge of control panels, alternators, and generator control systems (e.g., Deep Sea, ComAp) is desirable.
• Strong understanding of workshop safety and compliance requirements.
• Ability to work independently and as part of a team.
• High attention to detail and a commitment to quality.
• Full UK driving licence preferred.

What We Can Offer You

• Competitive hourly rates (depending on experience).
• Overtime after 40 hours
• 33 days holiday (including bank holidays).
• Training and upskilling opportunities.
• Private healthcare.
• Death in service benefit.
• Excellent long-term progression opportunities.
• Access to our outstanding Employee Assistance Programme

About Us

Rehlko proudly offers a rich history steeped in creativity and commitment to our associates and communities, along with competitive benefits and compensation. Our Purpose—Creating an energy resilient world for a better future—and Values: Curiosity, Trust, Pace, and Excellence, are important cultural components that shape the way we work and relate to one another. Learn more about Rehlko at https://www.rehlko.com/who-we-are. In addition to the investment in your development, Rehlko offers a comprehensive package with competitive salaries and a range of additional benefits.

Rehlko is an equal opportunity employer that prohibits discrimination and will make decisions regarding employment opportunities, including, but not limited to, hiring, job assignment, compensation, promotion, benefits, training, discipline, and termination, promote equal opportunities in every aspect of our process.

Our Values

Curiosity – Seek, learn, share

Trust – Go farther together

Pace – Focus to go faster

Excellence – Find the win every day