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mrmarinegroup

Service Engineer - Ballast Water Treatment Systems

Rotterdam, Zuid-Holland, Netherlands
Level
Mid
Work type
On-site · Rotterdam

Not stated in the posting: salary, visa.

Open. First seen 3 October 2026.

About the role

A Service Engineer (BWTS) is responsible for the field service, inspection, testing, maintenance, troubleshooting, and repair of ballast water treatment systems on seagoing vessels. The role involves working on-site to ensure compliance with international regulations, such as IMO and USCG requirements.

This position is ideal for candidates passionate about maritime environmental compliance, with hands-on engineering expertise and a problem-solving mindset.

Reporting to: Technical Manager

What you'll do:

  • Perform scheduled and preventive maintenance of BWTS components, including filtration units, UV reactors, electrolysis systems, and control panels.
  • Check and ensure that the equipment and system operate within the IMO, USCG, regulatory requirements, and relevant standards.
  • Test and validate systems and suggest improvements
  • Calibrate instruments to maintain accuracy and reliability.
  • Identify and resolve system malfunctions (troubleshooting),
  • Do repairs and adjustments, replace defective parts, and conduct system upgrades when necessary.
  • Provide remote and on-site technical support to vessel crews and ship operators.
  • Maintain detailed records of work performed, parts used, and customer interactions.
  • Work with project management and technical specialists to plan and do jobs
  • Stay safe at all times
  • Perform other job-related tasks as assigned

What you need to know and be good at:

  • Knowledge of BWTS technologies (UV treatment, electro-chlorination, etc.)
  • Experience in commissioning of BWTS
  • Strong mechanical and electrical troubleshooting abilities.
  • Ability to interpret technical drawings, schematics, and manuals.
  • IMO BWMS Code Familiarisation
  • Knowledge of industry standards and safety rules for marine processes
  • Strong analytical skills and attention to detail
  • Eagerness to learn and adapt
  • Ability to work well with customers, co-workers, and contractors
  • Strong communication skills
  • Willingness to travel within the region and internationally

Requirements:

  • Professional (Diploma or Bachelor's) degree in engineering or vocational qualification
  • 3-5 years of experience in a similar role (preferred)
  • Good English communication skills (verbal and written)
  • Dutch language skills are a plus but not mandatory
  • Flexible working hours: work hours may fluctuate depending on vessel schedules and operational needs, and out-of-hours work will be required.
  • Willingness to travel extensively and work onboard vessels or at yards
  • Ability to work independently and under pressure in a maritime environment.
  • Confident, engaging, and able to build relationships and take calculated risks
  • Willingness to learn and develop
  • Experience with common productivity tools (like Google Workspace)
  • Excellent interpersonal and problem-solving skills
  • Valid EU driving license - type B
  • Medically fit for offshore assignments and working at heights

Key strengths:

  • Independent and positive with good attention to detail
  • Solution-oriented
  • Team player
  • Dependable and hardworking
  • Takes the initiative and is self-motivated
  • Organized and able to multitask
  • Problem solver
  • Flexible working schedule
  • Able to write reports and correspondence
  • Able to work under pressure and handle multiple priorities and deadlines

The team: Technical

This role is one of 9 open in Technical.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

SAP (1 of 9)

OTHER ROLES ON THIS TEAM

From the team and dates on mrmarinegroup's own job board.

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