Rehlko

Diesel Field Service Engineer

Heanor · Huntingdon

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hirly's read of this role

Role family: Skilled trades
Seniority: Mid level
Stated salary: £55,000 – £65,000 per year
Country: GB
Work mode: On-site / unstated
First seen by hirly: 3 Oct 2026

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the posting

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

Carrying out planned and reactive service and maintenance of generators.
Diagnosing faults and completing breakdown repairs.
Using a fully equipped company van to travel to customer sites across your region.
Working closely with our Coordinators to ensure efficient planning.
Accurately recording all work using our bespoke management system.
Participating in the regional on-call rota (approx. 1 in 6).
Adhering to company H&S, environmental and quality management systems.

The Person

Time-served Mechanical/Electrical Engineer or qualified to NVQ Level 3 (or equivalent).
Previous generator experience is highly advantageous, though not essential.
Good knowledge of both mechanical and electrical components (engines/alternators).
Experience in a mobile engineering role is desirable.
Able to complete risk assessments and work safely at all times.
Strong communication skills, confident liaising with customers face-to-face and over the phone.
Comfortable working in a fast-paced environment.

What We Can Offer You

Competitive hourly rates (depending on experience).
Overtime after 40 hours, with a realistic OTE of £55k–£65k.
10–15% uplift in base pay, depending on your postcode.
On-call standby pay.
33 days holiday (including bank holidays).
Company vehicle and fuel card.
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 benefits package including a competitive salary, health, vision, dental, 401(k) with Rehlko matching, and more!?"

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, without regard to race, creed, color, ethnicity, religion, sex, pregnancy, childbirth, or related medical conditions, genetic information, age, national origin, citizenship, ancestry, caste, mental or physical disability, marital or familial status, sexual orientation, gender identity or expression, genetic information, political belief or affiliation, union membership status, military status, veteran status, or any other characteristic protected by national, state, local, or other applicable laws.

Our Values