3rd Officer (3/O) | Offshore - Construction Vessel

02 Dec 2026
AMSTERDAM
Contractual
At sea
3rd Officer (3/O)
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Join our team and advance your maritime career today!
Join OSM Thome as 3rd Officer on an offshore construction vessel in Amsterdam. Develop your skills in a dynamic, international team.

We are looking for an experienced 3rd Officer to join an offshore construction vessel operating out of Amsterdam. You will be part of a professional deck team, supporting safe navigation and offshore operations in a busy and challenging environment.

Key responsibilities

  • Assist with safe navigation, watchkeeping and ship handling as per the bridge team’s instructions
  • Carry out navigational watch and GMDSS/radio watch as assigned
  • Prepare and update charts, publications and voyage plans
  • Support deck operations, including cargo, lifting and offshore construction activities as required
  • Participate in safety drills, inspections and permit-to-work routines
  • Assist in maintaining safety and lifesaving equipment in good order

Requirements

  • Valid STCW Officer of the Watch (OOW) CoC appropriate for the vessel
  • Previous experience as 3rd Officer or OOW, preferably on offshore or construction vessels
  • Valid STCW basic and advanced safety trainings and medical fitness certificate
  • Good bridge watchkeeping and navigation skills, including ECDIS
  • Good English communication skills, both spoken and written
  • Strong safety attitude and ability to work in a mixed-nationality crew
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