Third Assistant Engineer

Also called: 3rd Engineer, Junior Marine Engineer

A licensed junior engineer who keeps a ship's machinery running on watch.

A day in the life

The third engineer stands engine-room watches, logs readings from gauges, and handles boilers, fuel systems, and generators. Expect grease, heat, and a lot of hands-on problem solving with a wrench in one hand and a manual in the other.

Pay over a career

Starting
$65k
Typical
$95k
High
$130k

Training

Bachelor's degree (4-year), about 4 years after high school. Marine engineering degree from a maritime academy plus a USCG Third Assistant Engineer license.

Ways in: 4-year college, Apprenticeship. Training cost: $15k – $60k.

Majors to look at: Marine Engineering, Marine Engineering Technology.

Outlook

Growing slowly (about 1% over 10 years).

Will it last? Our AI estimate

Low risk for 10 years. Automated engine rooms reduce gauge-reading watches, but breakdowns at sea still need trained hands with tools.

Start now, in high school

Classes: Physics, Small-engine or auto CTE class, Algebra II.

Official data: O*NET occupation 53-5031.

More Merchant Marine & Commercial Shipping careers

Career Universe is an early version. Pay, training and AI-risk figures are estimates to start your own research, not verified facts. The research was written with AI research assistants, checked by validation scripts and spot-checked by hand. Check anything important with schools, employers and official sources. How the numbers work.