Field Service Engineer

Why Work at Clarke

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!

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

Job Title: Field Service Engineer – London

Reports To: Area Service Manager

Function: Service

Location: London, with possible UK travel as required

Are you a skilled engineer looking for an opportunity to showcase your expertise? Join Clarke Energy as a Field Service Engineer, where you’ll ensure the reliability and performance of our gas engines and related plant equipment.

To maximize the availability and performance of gas engines and associated systems through expert maintenance, troubleshooting, and fault resolution. This role involves ensuring scheduled maintenance is completed to the highest standards while minimizing downtime and costs for customers.

• Perform scheduled maintenance to ensure equipment reliability and avoid unnecessary part replacements.
• Respond promptly to out‑of‑hours callouts, troubleshooting faults effectively and restoring equipment operation.
• Collect, label, and dispatch oil samples to the laboratory in accordance with agreed procedures.
• Select and order the correct parts, returning any unused items to minimize waste.
• Maintain van stock accurately, using parts responsibly, and reporting any shortages to the Area Manager.

• Build and maintain positive relationships with customers by providing professional, responsive support.
• Maintain clear communication with the Area Manager, customers, and subcontractors to ensure smooth site operations.
• Document all site visits and complete detailed service reports in line with agreed quality standards and deadlines.

• Keep company‑provided tools and equipment in excellent condition, ensuring they are clean, well‑maintained, and calibrated as required.
• Maintain high standards of site cleanliness and presentation.

• Support the Area Manager by supervising, training, and mentoring apprentices and new team members.

• Adhere to all health, safety, and environmental standards and regulations at all times.

• Strong…