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

OSM MARITIME SERVICES, INC.; Philippines; On-site; PHP 2,827,000 - 4,594,000; Full time

Job summary

OSM Thome is seeking a qualified 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, international environment.

Key requirements include a valid STCW OOW CoC, prior 3/O/OOW experience, and excellent bridge watchkeeping and English communication skills. The role is at sea with a contractual employment arrangement.

Qualifications

• STCW Officer of the Watch CoC valid for the vessel.
• Experience as 3rd Officer or OOW on offshore/construction vessels preferred.
• STCW Basic & Advanced Safety trainings and medical fitness.
• Good bridge watchkeeping and navigation skills, including ECDIS.
• Strong English communication and ability to work in mixed-nationality crew.

Responsibilities

• Assist with safe navigation, watchkeeping and ship handling per bridge 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.
• Participate in safety drills, inspections and permit-to-work routines.
• Assist in maintaining safety and lifesaving equipment.

Skills

Bridge watchkeeping

ECDIS navigation

English communication

Safety mindset

Education

STCW OOW CoC

Tools

GMDSS

Job description

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

Location

AMSTERDAM

Contract Type

At sea

Employment Type

Contractual

Recruitment Office

Philippines (ALL)

Position

3rd Officer (3/O)

Application Deadline

02 Dec 2026

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