Field Service Engineer

Are you a Field Service Engineer looking for a specialist role where you can work on high-quality OEM equipment, support customers in highly regulated environments, and continue developing your technical skills?

Rockson First is looking for a Field Service Engineer to service, maintain and repair laboratory water purification systems for customers across the life sciences and pharmaceutical sectors.

This is a hands-on service role where you will be trusted to manage your own workload, work independently in the field, and receive the training and support needed to become confident with our specialist equipment and digitally connected systems.

Why this role may appeal to you

You will be working on specialist lab water purification systems rather than general maintenance or basic facilities equipment. Our customers operate in highly regulated sectors, so quality, accuracy and professionalism matter.

You will also receive full training, use modern service systems, and be part of a company that values both customer service and engineer wellbeing. We encourage a healthy work-life balance and support ongoing professional development.

Reporting to the Regional Service Manager, you will provide service and support for a range of OEM laboratory water purification systems.

Your responsibilities will include:

Servicing, maintaining and repairing lab water purification systemsDiagnosing faults, identifying issues and carrying out repairsOrdering and replacing parts when requiredManaging your own car stock to support a strong first-time fix rateUpdating service activity accurately using ServiceMax CRMFollowing company procedures, SOPs and EHS requirementsSupporting customers in regulated environments, including pharmaceutical and life sciences sitesAdvising customers on system use, servicing and compliance requirementsLiaising with colleagues and management to ensure customers receive a high standard of servicePromoting relevant service activities, products and solutions where appropriate  

We are looking for someone with a strong engineering background and a professional approach to field service.

You should have:

An HNC or above in mechanical or electrical engineering, or equivalent relevant experienceExperience servicing, maintaining or repairing technical equipmentGood fault-finding and problem-solving skillsConfidence working independently in the fieldStrong customer communication skillsThe ability to follow procedures in regulated environmentsA willingness to learn digitally connected systemsA commitment to ongoing professional development

Experience with laboratory water purification systems would be an advantage, but full training will be provided.

Package Competitive salaryPerformance bonusCompany carPensionMobile phoneLaptopFull trainingSupport for ongoing developmentHealthy work-life balance
About Rockson First

Rockson First was established in 2011 and provides raw water treatment and water purification services to highly regulated industries across the UK.

We are an ISO-accredited company, holding ISO 9001 for Quality Management and ISO 14001 for Environmental Management. Quality, reliability and environmental responsibility are central to how we work.

We are also committed to supporting our people and promoting a healthy work-life balance, while delivering a high-quality service to our customers.



  • Location: Hounslow, Greater London, England
  • Salary: £38k per year
  • Type: Permanent
  • Recruiter: Hiring People
  • Posted: 18-May-2026
  • Posted on: careers4a.com