Ordinary Seaman (OS) jobs on tankers

There are 2 open Ordinary Seaman (OS) vacancies on tankers on SeaJobs.pro right now.

Salaries currently range from 1 539 to 1 539 GBP per month.

Hiring now: Polish Marine Management.

Earliest joining date: 8 October 2026.

The Ordinary Seaman is an entry-level deck rating who assists with maintenance, watchkeeping and general deck work.

Tankers carry crude oil, refined products and chemicals in bulk; crews need tanker-specific safety and cargo certificates.

Applicants usually need valid STCW certificates, a seafarer's medical and relevant sea-time in rank. You can apply directly through SeaJobs.pro — your CV goes straight to the crewing manager.

Polish Marine Management

OS — Oil Tanker

OS (Ordinary Seaman) Oil Tanker

from 1 539 GBP

6 weeks on/off ASAP

Polish Marine Management

OS for Oil Tanker

OS (Ordinary Seaman) Oil Tanker

from 1 539 GBP

5 weeks on/off from 8 Oct

Ordinary Seaman (OS) on other vessel types

Other ranks on tankers