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3Rd Assistant Engineer Jobs (NOW HIRING)

Foss Maritime

Assistant Engineer Oceans

Seattle, WA · On-site

$816/day

What We're Looking For * 3rd Assistant Engineer, DDE Unlimited or C/E Limited License. * Valid Transportation Worker Identification Credential (TWIC). * Minimum of two years of experience as a Marine ...

Young Brothers

Licensed Asst. Engineer

Honolulu, HI · On-site

As a Minimum must possess a US Coast Guard engineer's license DESIGNATED DUTY ENGINEER with no horsepower limitations, 3rd ASSISTANT ENGINEER UNLIMITED, or CHIEF ENGINEER LIMITED. You must also ...

Foss Maritime

Assistant Engineer Oceans

Seattle, WA · On-site

$816/day

What We're Looking For * 3rd Assistant Engineer, DDE Unlimited or C/E Limited License. * Valid Transportation Worker Identification Credential (TWIC). * Minimum of two years of experience as a Marine ...

Curtin Maritime, Corp

OSV Engineer

Long Beach, CA · On-site

$450 - $875/day

Thorough recordkeeping and reporting to Chief Engineer Assistant Engineer - $450 - $650/day LICENSES & REQUIREMENTS: * 3rd Assistant Engineer * STCW OICEW * Passport PREFERRED LICENSES & REQUIREMENTS:

Savage

Engineer - Marine

Long Beach, CA · On-site

Engineering Officer - Assistant Engineer Limited. (3rd Assistant Engineer of Motor Propelled Vessels Unlimited Horsepower preferred), QMED-Any Rating, Lifeboatman, Ordinary Seaman, Wiper, Steward ...

G and H Towing Company

Engineer

Brownsville, TX · On-site

$64K - $136K/yr

... or a third assistant engineer of motor propelled vessels Pay Rates: 12-hour day: $293.55 24-hour day: $587.10 Relief Engineers Pay Rates 12-hour day: $242.05-301.28 24-hour day: $484.10-602.56 ...

G and H Towing Company

Engineer

Brownsville, TX · On-site

$64K - $136K/yr

... or a third assistant engineer of motor propelled vessels Pay Rates: 12-hour day: $293.55 24-hour day: $587.10 Relief Engineers Pay Rates 12-hour day: $242.05-301.28 24-hour day: $484.10-602.56 ...

G&H Towing

Engineer

Galveston, TX · On-site

$64K - $136K/yr

... or a third assistant engineer of motor propelled vessels Pay Rates: 12-hour day: $293.55 24-hour day: $587.10Relief Engineers Pay Rates 12-hour day: $242.05-301.28 24-hour day: $484.10-602.56 ...

G&H Towing

Engineer

Galveston, TX · On-site

$64K - $136K/yr

... or a third assistant engineer of motor propelled vessels Pay Rates: 12-hour day: $293.55 24-hour day: $587.10Relief Engineers Pay Rates 12-hour day: $242.05-301.28 24-hour day: $484.10-602.56 ...

G and H Towing Company

Engineer

Corpus Christi, TX · On-site

$64K - $136K/yr

... or a third assistant engineer of motor propelled vessels Pay Rates: 12-hour day: $293.55 24-hour day: $587.10Relief Engineers Pay Rates 12-hour day: $242.05-301.28 24-hour day: $484.10-602.56 ...

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3Rd Assistant Engineer information

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$33K

$88.8K

$134.5K

How much do 3rd assistant engineer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for 3rd assistant engineer in the United States is $88,754.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,500.00 and $104,500.00 per year, depending on experience, location, and employer.

What is a 3rd assistant engineer?

A 3rd Assistant Engineer, also known as a Third Engineer, is a licensed member of the engineering department on a merchant ship. They are responsible for maintaining and operating the ship’s machinery, including engines, pumps, and electrical systems under the supervision of senior engineers. Their duties often include performing scheduled maintenance, monitoring equipment performance, and responding to machinery emergencies. This role is typically an entry-level officer position for marine engineers who have completed relevant maritime training and certification.

What is the difference between 3Rd Assistant Engineer vs 2Nd Assistant Engineer?

Aspect3Rd Assistant Engineer2Nd Assistant Engineer
Required CertificationsDiploma or equivalent in engineeringBachelor's degree in engineering or related field
Work EnvironmentAssisting in routine maintenance and operationsMore responsibilities in supervision and troubleshooting
Industry UsageCommonly used in shipping, manufacturing, and power plantsUsed in similar industries with increased responsibilities

The main difference between a 3Rd Assistant Engineer and a 2Nd Assistant Engineer lies in their level of responsibility and qualifications. The 3Rd Assistant Engineer typically holds a diploma and performs routine tasks, while the 2Nd Assistant Engineer usually has a bachelor's degree and handles more complex duties. Both roles are essential in engineering operations within industrial and shipping sectors, but the 2Nd Assistant Engineer has a higher level of responsibility and expertise.

What are the key skills and qualifications needed to thrive as a 3rd assistant engineer, and why are they important?

To thrive as a 3rd Assistant Engineer, you generally need a bachelor's degree in marine engineering or a related field, a valid U.S. Coast Guard (USCG) license, and a solid understanding of shipboard engineering systems. Familiarity with engine room operations, maintenance management systems, and safety protocols is crucial, along with any required STCW certifications. Strong problem-solving skills, attention to detail, and effective teamwork set outstanding candidates apart in this role. These competencies ensure the reliable operation and safety of ship machinery, supporting efficient vessel performance and regulatory compliance.

What are the typical responsibilities of a 3rd assistant engineer during a voyage?

As a 3rd Assistant Engineer, your primary responsibilities include monitoring and maintaining the ship’s engine room machinery, assisting with routine inspections, and ensuring equipment is operating safely and efficiently. You’ll often be assigned to a specific watch, working closely with the engineering team to troubleshoot technical issues and carry out scheduled maintenance. This role also involves keeping detailed logs, supporting emergency drills, and collaborating with other departments to ensure smooth vessel operations. Adapting quickly to changing priorities and working in a team-oriented environment are essential for success in this position.
More about 3Rd Assistant Engineer jobs
What cities are hiring for 3Rd Assistant Engineer jobs? Cities with the most 3Rd Assistant Engineer job openings:
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3Rd Assistant Engineer jobs near you
Infographic showing various 3Rd Assistant Engineer job openings in the United States as of August 2026, with employment types broken down into 94% Full Time, and 6% Contract. Highlights an 100% In-person job distribution, with an average salary of $88,754 per year, or $42.7 per hour.

Licensed Assistant Engineer

Kirby Corporation

Houston, TX

Full-time

Re-posted 6 days ago

Job description

Overview

The Vessel Assistant Engineer's primary function is to follow the Chief Engineer's direction on maintenance repair of propulsion systems, heating and ventilating systems, and other mechanical and electrical equipment on tugboats and barges.

Responsibilities

Follow direction of Chief Engineer

Familiarity with KOM documented Company policies and procedures.

Ensure that work done on machinery is in accordance with safety procedures, including the use of personal protective equipment.

Maintain vessel inventories.

Safely operate and maintain vessel machinery as required to carry out the vessel's utilization requirements; monitor equipment and perform inspections, tests, general maintenance and repairs required to ensure proper operating conditions.

Manage fuel, lube, ballast and other fluids essential operation; fueling and transfers; consult with the tug Captain regarding issues in order to maintain safe and efficient operating conditions.

Properly and legibly complete, submit and maintain vessel maintenance logs, work requests, requisitions, inspection reports and any other paperwork as required; instruct deck watch standers in the proper conduct of engine room rounds.

Ensure that the Captain and Engineering Management are kept informed of vessel requirements, conditions, scheduled maintenance or repair items that are beyond his ability to complete, or any items that are deferred for any reason.

Assist the PIC Tankerman with barge repairs that affect cargo operations; assist on deck as directed by the tug Captain; stand watches during tug operations.

The responsibilities outlined above cannot totally encompass or define all tasks, which may be required of the position holder. The outline of responsibilities given above may, therefore, vary from time to time without materially changing either the character or level of responsibility of the position.

Qualifications

Valid Merchant Mariner Credential (MMC) with USCG Designated Duty Engineer 4000 or Third Assistant Engineer required

Valid USCG Medical Certificate required

STCW compliant but must hold rating III/I OICW

Passport preferred

Canada Compliant

Valid Transportation Worker Identification Credential (TWIC) required

Tug and barge experience preferred.

Must not have a DWI or DUI in the last three years

Must not have more than 2 moving driving violations in the last 3 years

Must be able to satisfy all United States Coast Guard physical requirements (CG-719K) and as found in 46 CFR Part 10

Must be able to satisfy all United States Coast Guard Chemical Drug Testing Programs for Vessel Personnel, as found in 46 CFR Part 10

Must be able to pass company requirements of 46 CFR Part 197 Subpart C Benzene

Valid state issued birth certificate required.

Valid social security card required

Must be 18 years of age

Cannot have any criminal charges pending or be on probation

Must be able to read and write English

Ability to understand written and verbal orders

Employment Type: FULL_TIME

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