Careers · Engineer officer
Third Engineer (Second Assistant Engineer)
The Third Engineer is a watchkeeping engineer officer who keeps a safe engine-room watch, monitors the engine control systems and helps maintain and repair the ship's machinery.
STCW competence
A watch or a day
Watchkeeping
The certificate that gates the job
STCW III/1
The certification behind this rank
What the rules require for this role — STCW, Indian and UK implementation.
Plus the certificates every seafarer holds: medical, basic safety, security awareness, and passenger-ship training on a cruise ship.
STCW III/1
STCW V/2
serving on passenger ships (applies to all personnel)
MSN 1857 Amd 1
UK implementation of STCW III/1
MS (STCW) Rules 2014 r.35
India implementation of STCW III/1
MSN 1866 Amd 2
UK implementation of STCW V/2
MS (STCW) Rules 2014 r.55
India implementation of STCW V/2
MSN 1859 Amd 1
UK yacht CoC, valid on yachts only; owner: a commercial STCW CoC supersedes it (no yacht ticket needed if held)
What employers ask for
Seen across employer job postings — a guide to what recruiters look for, not a legal requirement.
English / Marlins / CES test
e.g. Marlins · English language · fluent English · English Proficiency
Visa (US C1/D, Schengen)
e.g. Visa · C1/D · visa
Certificate of Competency / licence
e.g. Certificate of Competency · CoC · License · COC
STCW basic safety training
e.g. STCW certificates · STCW 2010 · STCW Basic
Experience / sea time / time in rank
e.g. in rank · 6 months seatime · 21 years old Preferred Experience · 2-4 years of experience
Vaccinations (yellow fever, COVID…)
STCW regulation cited
e.g. III/1 · V/2
Security awareness / designated duties / SSO
e.g. ISPS
Also known as
Where can this role take you?
See how to reach this role — and the ladder above it — in the Route Finder.