Skilled-trade career guide
Merchant Marine & Ship Operations Careers: Training, Skills and Pathways
Choose a shipboard department, then match the employer’s entry opening or apprenticeship to the Coast Guard credentials needed for that vessel and route.
How to get started — United States
Choose a shipboard department, then match the employer’s entry opening or apprenticeship to the Coast Guard credentials needed for that vessel and route. Entry-level deck, engine or steward-department work. Officer, qualified watchkeeping and vessel-command roles require separate sea service, training and endorsements.
Starter job titles
Ordinary seafarer (OS) • Wiper • Steward-department entry worker
School or technical education
A maritime degree is not required for every entry-level role. Entry-level sailors and engine-room beginners commonly learn on the job. Approved safety or maritime courses may still be required for the particular vessel, route and endorsement.
Formal apprenticeship
Compare direct hiring with registered maritime apprenticeships. The Seafarers International Union’s school offers a registered apprentice route. Program selection, admission documents and training stages apply; a maritime academy is a different route commonly associated with officer preparation.
Certificates and licences
Complete the credentials required before sailing in the role. Most maritime jobs require an appropriate Merchant Mariner Credential and TWIC arrangements. Confirm medical, drug-screening, passport and STCW training or endorsements with the employer and National Maritime Center; requirements vary by vessel, route and duty.
Training at work
Complete familiarization and supervised department training. Learn vessel emergencies, safe work practices and your assigned department’s duties before taking responsibility. Entry-level status does not authorize qualified watchkeeping or command.
1. Choose a department and vessel type
Compare ordinary seafarer deck work, wiper engine-room work and steward-department openings, including time away from home.
2. Check the exact credential checklist
Ask the employer and National Maritime Center which national and STCW endorsements, medical documents and security requirements apply before you pay for courses.
3. Complete the accepted entry route
Finish the required applications, screenings and courses, or enter an accepted apprenticeship and follow its admission and training instructions.
4. Sail in authorized duties and keep records
Complete employer familiarization and supervised tasks. Obtain properly documented sea service and competency records for future endorsement applications.
When to take on more
Advancement depends on accepted sea service, assessments, examinations and the relevant endorsements. A credential for one role or route does not automatically cover another.
Choices after the basics
Develop deck-department skills. Build engine-department experience. Compare future qualified-rating or officer endorsement routes. These are choices, not required steps.
Before applying
These are typical U.S. starting routes for the roles described. Check the actual job and local rules before applying or paying for training. Do you hire beginners, and what training do you provide? What must I have before my first day, and what can I earn while working? If apprentice registration is needed, who applies, when do my hours start counting, and who signs my records? Which tools and protective equipment do you provide? Who checks that I am ready for each new task?
Business ownership
Starting your own business is a separate choice. Check business permits, insurance and any rules for the services you plan to offer.
For students
Still in school? Explore through classes, career visits and supervised activities. Job ages and allowed tasks have separate rules.
Source review
Reviewed 2026-10-14. National sources describe typical routes; they do not settle every local rule.
What the work involves
Merchant mariners move cargo and passengers and maintain the vessels that carry them. Entry-level workers assist with deck upkeep, engine-space cleaning or steward-department duties, while experienced and appropriately credentialed personnel stand qualified watches, navigate, maintain machinery or lead shipboard operations.
Where you work
Cargo ships, ferries, offshore support vessels and other commercial vessels on inland, Great Lakes, coastal or ocean routes.
Skills to develop
Shipboard teamwork and communication; Practical maintenance; Following safety procedures; Accurate service and task records.
Tools to get familiar with
Employer-approved work boots, Water-resistant notebook, Task-appropriate flashlight approved for the vessel. Ask what the employer provides before buying tools.
Tools used with further training
Deck-maintenance and mooring equipment, Engine-room maintenance instruments, Shipboard communications equipment, Navigation and machinery-monitoring systems.
Safe working practices
Follow the vessel’s training, watchkeeping and emergency arrangements. Mooring, enclosed spaces, hot work and machinery isolation require specific authorization and procedures.
Pay and earnings
U.S. employee pay benchmark: $51,520 per year, the 2025 median for sailors and marine oilers (BLS 53-5011). This occupation can cover work beyond this specialty; a separate specialty wage is not claimed. Starting, experienced and local pay vary. Seasonal and part-time hours affect annual earnings. Self-employed revenue and profit are not included.
Related names and specialties
merchant mariner, ordinary seafarer, ordinary seaman, ship deckhand, marine wiper.