Field Service Engineer – Central Belt, Scotland

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!

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.

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

Field Service Engineer – Central Belt, Scotland

Location: Central Belt, Scotland, with occasional UK travel

Are you a skilled engineer looking for a role where your expertise truly makes a difference? Join Clarke Energy as a Field Service Engineer, taking responsibility for ensuring the reliability and performance of our gas engines and associated plant equipment across the Central belt of Scotland.

About the Role

Your role is to keep our gas engines and systems operating at their best through expert maintenance, fault diagnosis, and timely repairs. You’ll deliver scheduled servicing to the highest standards, minimising downtime and providing cost‑effective solutions for our customers.

Key Responsibilities

Maintenance & Troubleshooting

• Carry out planned maintenance to maximise equipment reliability and avoid unnecessary part replacements.
• Respond promptly to out‑of‑hours callouts, diagnosing and resolving faults efficiently to restore operations.
• Collect and dispatch oil samples in line with agreed procedures.
• Order correct parts and return unused items to reduce waste.
• Maintain accurate van stock and report shortages to the Area Manager.

Customer & Team Support

• Build strong relationships with customers through professional and responsive service.
• Communicate effectively with the Area Manager, customers, and subcontractors to ensure smooth site operations.
• Complete detailed service reports promptly and to agreed quality standards.

Tools & Equipment

• Keep company tools and equipment in excellent condition, ensuring cleanliness and calibration.
• Maintain high standards of site presentation and cleanliness.

Supervision & Training

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

Health, Safety & Environment

• Comply with all health, safety, and environmental regulations at all times.

What We’re Looking For

Technical Skills

• Strong engineering background with knowledge of gas engines and related systems.
• Electrical and mechanical expertise.
• Gas Safe registered.
• Confident IT skills for reporting and documentation.
• Ability to coach and mentor others.

Personal Attributes

• Professional, reliable, and trustworthy.
• Flexible and adaptable to changing priorities.
• Customer‑focused with excellent communication skills.
• Organised and proactive in managing workload.
• Resilient under pressure and committed to continuous improvement.

Qualifications & Experience

• Essential Minimum 5 years’ experience as a service engineer. NVQ Level 3 or City & Guilds in Electrical or Mechanical Engineering. Apprentice‑trained engineer. Gas Safe registration. Full UK driving licence. Willingness to travel across Scotland, work unsociable hours, and stay away when required.
• Desirable Previous experience with gas engines.

What’s in it for you?

• Competitive hourly rate + overtime at 1.5x basic rate.
• Paid travel time (up to 30 mins each way daily).
• On‑call rota with call‑out fee.
• 25 days holiday + 8 Bank Holidays.
• Option to buy or sell up to 5 additional holiday days.
• 7% company pension contribution.
• Company van provided.
• Comprehensive training programme on Jenbacher engines and systems at our Liverpool Training Centre.

If you’re a skilled and motivated engineer looking for a challenging and rewarding role, we’d love to hear from you. Join Clarke Energy and help us deliver exceptional service to our customers.

About Us

Clarke 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 Clarke at In addition to the investment in your development, Clarke offers a comprehensive package with competitive salaries and a range of additional benefits. Clarke 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.

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