Field Service Engineer

Det-Tronics (Detector Electronics, LLC); Ashford; Remote; GBP 80,000 - 100,000; Full time

Job summary

A leader in fire protection solutions is seeking a Field Service Engineer. This remote role requires experience in mechanical system maintenance and installation. Candidates must be customer-oriented with strong problem-solving skills and the ability to travel across the UK and Ireland. Join a dynamic team dedicated to safety and innovation, while enjoying competitive compensation and professional development opportunities.

Benefits

Competitive compensation

Living allowance based on location

Full pension

Dedicated company van

Professional development opportunities

Qualifications

• Proven experience in mechanical system installation/maintenance/service.
• Full UK driving licence is mandatory.
• Willingness to travel and occasional overnight stays.

Responsibilities

• Carry out planned preventive maintenance and reactive service visits.
• Diagnose faults and carry out repairs.
• Support installation and commissioning projects.
• Ensure compliance with health, safety, and fire regulations.
• Provide technical advice and solutions.

Skills

Mechanical engineering knowledge

Strong problem-solving skills

Communication skills

Customer-oriented approach

Education

Education in a related field

Job description

Role

Field Service Engineer

Location

Remote, UK (must be located within a 2 hour-distance from London city centre)

Contract type

Full‑time, permanent contract

About Marioff

For four decades, Marioff has been driven by the challenge of keeping people and businesses safe. Today, we are the global leader in high‑pressure water mist fire protection with our HI‑FOG system, setting new standards and pushing the fire protection industry forward. Rooted in Nordic innovation and delivering globally, Marioff is home to those who approach challenges with an innovative mindset, persistence, and an unwavering commitment to quality. We believe that delivering peace of mind and reliability to our customers requires empowering diverse teams to collaborate towards common success, creating a lasting impact.

At Marioff, more than 500 motivated professionals work across the globe. As a truly global company, we value the diversity of roles and skills within our team, with colleagues from nearly 30 nationalities collaborating towards a common goal.

With our head office in Vantaa and our factory in Kerava, Finland, we have a global reach with subsidiaries in France, Germany, Italy, North America, Spain, Sweden, Poland, the United Kingdom, and China.

About the Role

We are looking for an experienced and motivated Field Service Engineer to join our growing team. You will be responsible for the service, maintenance, fault‑finding, and commissioning of fire suppression systems. The role involves travelling to client sites across the UK & Ireland to deliver high‑quality technical support and ensure compliance with industry standards. This role is home‑based; candidates must be located within 2 hours from London’s city centre, occasional office visit is required.

Your Main Responsibilities Will Be

• Carry out planned preventative maintenance (PPM) and reactive service visits on Hi‑Fog / Marioff systems
• Diagnose faults, carry out repairs, and ensure systems are restored to operational standards
• Support installation and commissioning projects when required
• Complete service reports, maintenance records and documentation to company and client standards
• Work closely with clients and site teams to provide technical advice and solutions
• Ensure compliance with all health, safety, and fire regulations
• Participate in the on‑call rota to provide emergency support when required
• Adhere to all health & safety standards and promote company culture

To Be Successful In This Role You Will Need

• Proven, hands‑on work experience with mechanical system installation/maintenance/service, mechanical engineering knowledge, preferably with products including piping/hydraulics
• Education in a related field
• Full UK driving licence
• Ability to work independently and as part of a team, strong communication skills
• Strong problem‑solving skills and attention to detail, customer‑oriented approach
• Willingness to travel and occasionally stay away from home where required, workload tolerance

Considered As An Advantage

• Previous experience working with fire suppression systems (Hi‑Fog / Marioff or water mist experience highly desirable)
• Previous experience/knowledge of electricity/electrical automation technology
• Engineering qualifications (NVQ, City & Guilds, FIA or equivalent) preferred

Benefits

• Competitive compensation
• Living allowance based on location
• Full pension
• Dedicated company van
• Professional development opportunities
• A stable role at a professional company with high‑technology products

Our commitment to you: We offer you a dynamic and international work environment in a company with high technology products, a strong growth strategy and people who are passionate about safety. At Marioff we value diversity in all its forms and we believe that it is our excellent, highly skilled people who make success, competitive excellence and innovation happen. Join us to our mission to protect people, property and business continuity!

Join us and make a difference.

Apply Now!