Third Mate Jobs

Third mate jobs are open across commercial shipping, offshore oil and gas, and ferry and passenger vessel operations, covering roles from entry-level watch officer to senior third mate and relief officer, with specializations in cargo operations, navigation, and vessel safety. Find a role that fits below and apply directly.

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Overview

Open roles11
Top stateCalifornia
Top employerCity Barbeque
Top citySan Diego, CA
Work type100% On-site
Top credentialHigh school diploma or GED

Showing 5 of 11+ Third Mate jobs

Strong Team-mate with Shift Leader Potential
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Added 1w ago
Strong Team-mate with Shift Leader Potential
City Barbeque
Cincinnati, Ohio
Customer Service
Event Planning
Hospitality Management
$17 - $19/hr
1,001-5,000

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Boatswain's Mate Instructor
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Added 1w ago
Boatswain's Mate Instructor
Metris Global
Yorktown, Virginia
Business Operations
Program Management
Project Management
11-50

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Strong Team-mate with Shift Leader Potential
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Added 2w ago
Strong Team-mate with Shift Leader Potential
City Barbeque
Circleville, Ohio
Business Operations
Hospitality Management
Project Management
$17 - $19/hr
1,001-5,000

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First Mate
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Added 2w ago
First Mate
Systems Application & Technologies, Inc
San Diego, California
Account Management
Customer Service
Customer Success
High school diploma or GED
501-1,000

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First Mate
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Added 1mo ago
First Mate
Tradewinds Bar and Grill
Miami, Florida
Compliance & Risk
Cybersecurity
Security Engineering
On-Site
CPR Certification

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Third Mate Job Market

Who's Hiring

City Barbeque2 open roles
Amentum1 open role
Metris Global1 open role

What Employers Look For

The qualifications that appear most often in third mate jobs.

  • USCG Merchant Mariner Credential with third mate near coastal or oceans endorsement
  • STCW Basic Safety Training certification and all required STCW endorsements
  • Minimum sea service hours on vessels of qualifying gross tonnage
  • GMDSS Operator License or proficiency endorsement for the trade route
  • Experience standing navigation watches and conducting cargo or stability operations
  • Valid Transportation Worker Identification Credential and current medical certificate

Tips for Your Third Mate Job Search

Lead your resume with your license

Third mate hiring decisions hinge on your STCW credentials and USCG license before anything else. List your MMC endorsements, vessel tonnage, and trade route authorizations at the top of your resume so reviewers confirm your qualifications without scrolling.

Target postings by vessel type early

Your sea service was logged on specific vessel types, and operators hiring for tankers, container ships, or OSVs want that match. Filter openings by vessel class before you apply so you're not competing against candidates whose sea time is a closer fit.

Apply early to roles that fit

Migrate Mate lists third mate openings from across the United States in one place, so you can find roles that match and apply directly to each listing.

Align your safety record with the job description

Operators weigh your drill participation, GMDSS certifications, and emergency response experience heavily. Pull specific drills, inspections, or PSC exam outcomes from your sea service record and match them to the safety language in each posting before you submit.

Prepare for cargo and stability interview questions

Third mate interviews on cargo vessels routinely include practical stability calculations, hatch sequencing scenarios, and damage control questions. Work through sample cargo plans from vessel types you're applying to so your answers reflect hands-on familiarity, not textbook recall.

Negotiate relief schedule before you sign

Rotation schedules vary widely from two-and-two to four-and-four, and the split affects your annualized earnings and time ashore. Confirm the rotation, turnaround policy, and travel coverage during the offer stage, not after you've already committed to a contract.

Third Mate Jobs: Frequently Asked Questions

Which companies are hiring the most third mates?

The most active employers for third mates right now are City Barbeque, Amentum, and Metris Global, and the most openings are in California, Ohio, and Texas, based on current listings on Migrate Mate as of November 2026. Demand tends to be strongest in Gulf Coast offshore operations and deepwater port corridors.

How many third mate jobs are remote?

About 0% of third mate openings are fully remote or hybrid as of November 2026, reflecting that most watch-standing roles require physical presence aboard a vessel. The remote share is highest in shore-based roles such as vessel traffic management, marine operations coordination, and fleet safety compliance positions that draw on third mate credentials.

How do you become a third mate?

You become a third mate by completing a USCG-approved maritime education program or accumulating the required sea service hours as a lower-rated mariner, then passing the USCG license examination for third mate. You'll also need current STCW certifications, a valid medical certificate, and a Transportation Worker Identification Credential before you can stand a watch as a licensed officer.

How do you get hired as a third mate with little experience?

Most entry-level third mate candidates come through maritime academy programs whose school ships and cooperative assignments satisfy the sea service requirement before graduation. If you're coming up through the hawsepipe, emphasize bridge watchkeeping time, cargo operations involvement, and any relief or relief-assist voyages on your MMC application and resume to show supervised bridge exposure beyond engine or deck ratings.

What does the third mate interview process look like?

Third mate interviews typically open with a credential review where the hiring officer confirms your MMC endorsements, sea service record, and STCW documentation. A practical or scenario-based stage follows, covering collision regulations, stability, cargo sequencing, and emergency response. Offshore and tanker operators may add a drug screen and physical before extending a contract offer.

Where can I find and apply to third mate jobs?

You can find and apply to third mate jobs on Migrate Mate, which lists current openings from across the United States. Search the listings to find roles that match your license endorsements and vessel experience, then apply directly to each one that fits.

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