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Third Assistant Marine Engineer Jobs (NOW HIRING)

City of New York

Marine Oiler

Manhattan, NY · On-site

MARINE OILER - 91546 Qualifications Candidates must possess one of the following issued by the United States Coast Guard: a valid Third Assistant Marine Engineer or higher license; or a valid ...

City of New York

Marine Oiler

Manhattan, NY

MARINE OILER - 91546 Qualifications Candidates must possess one of the following issued by the United States Coast Guard: a valid Third Assistant Marine Engineer or higher license; or a valid ...

City of New York

Marine Oiler

Manhattan, NY · On-site

$80K - $90K/yr

MARINE OILER - 91546 Qualifications Candidates must possess one of the following issued by the United States Coast Guard: a valid Third Assistant Marine Engineer or higher license; or a valid ...

Hornblower Corp

Third Assistant Engineer - Seaward Services - USNS Guam United States Posted Tuesday, August 25 ... Hornblower Group's subsidiaries include Hornblower Marine, which provides vessel outhaul and ...

City of New York

Marine Oiler

Staten Island, NY · On-site

$80K - $90K/yr

Company Description Under direct supervision, assists the Marine Engineer in the operation ... Coast Guard Merchant Mariner's Credential (MMC) with endorsement for Third Assistant Engineer or ...

City of New York

Marine Oiler

Staten Island, NY

Under direct supervision, assists the Marine Engineer in the operation, maintenance and repair of ... Coast Guard Merchant Mariner's Credential (MMC) with endorsement for Third Assistant Engineer or ...

City of New York

Marine Oiler

Staten Island, NY

Under direct supervision, assists the Marine Engineer in the operation, maintenance and repair of ... Coast Guard Merchant Mariner's Credential (MMC) with endorsement for Third Assistant Engineer or ...

AMERICAN SYSTEMS

Journeyman Marine Engineer

Washington, DC · Hybrid

$85K - $98K/yr

... * Assist Senior Mechanical Engineers in design, development, and evaluation of the operation of marine vessels, ship machinery, and related equipment. * Support the US Coast Guard by reviewing third ...

Emprise Corporation

Marine Engineer

Chesapeake, VA · On-site

Perform shipchecks to assist in the development and validation of maintenance plan * Assist in ... Bachelor's Degree in Marine Engineering, Naval Architecture, Mechanical Engineering, or Electrical ...

Whoi

Third Assistant Engineer

Iselin, NJ

$39.38/hr

Prefer Third Assistant Engineer experience on similar research vessel. Candidates must have a high ... All marine positions have essential functions that personnel must be able to perform, minimum ...

AMERICAN SYSTEMS

Journeyman Marine Engineer

Washington, DC · On-site

$85K - $98K/yr

... * Assist Senior Mechanical Engineers in design, development, and evaluation of the operation of marine vessels, ship machinery, and related equipment. * Support the US Coast Guard by reviewing third ...

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Third Assistant Marine Engineer information

See salary details

$33K

$88.8K

$134.5K

How much do third assistant marine engineer jobs pay per year?

As of Sep 14, 2026, the average yearly pay for third assistant marine 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 third assistant marine engineer?

Third Assistant Marine Engineers, also known as Third Engineers, are licensed officers on a ship responsible for operating and maintaining the vessel's engine room machinery and equipment. They report to the Second Engineer and typically handle tasks such as monitoring engine performance, conducting routine maintenance, and ensuring safe operation of propulsion and auxiliary systems. This role is entry-level among licensed engineering officers and is critical for the smooth functioning of a ship's mechanical operations. Third Assistant Marine Engineers must have appropriate certifications and training, often gained through maritime academies or equivalent sea service.

What are the key skills and qualifications needed to thrive as a third assistant marine engineer?

To thrive as a Third Assistant Marine Engineer, you need a solid understanding of marine engineering principles, engine maintenance, and a U.S. Coast Guard (USCG) or equivalent engineering license. Familiarity with engine room machinery, safety management systems, and marine diagnostic tools is typically required. Strong problem-solving skills, teamwork, and effective communication help you excel in both routine operations and emergency situations. These skills and qualifications are crucial for ensuring the safety, efficiency, and reliability of the vessel's engineering systems.

What typical challenges might a third assistant marine engineer face during their first assignments at sea?

Third Assistant Marine Engineers often encounter challenges such as adapting to a rotating watch schedule, learning to troubleshoot mechanical issues under time pressure, and quickly understanding the vessel’s specific systems and protocols. They may also need to adjust to living and working in close quarters with a diverse crew while maintaining strict safety and environmental standards. Effective communication with senior engineers and other departments is crucial, as is the ability to respond calmly in emergency situations. Gaining hands-on experience and seeking mentorship from senior staff can help new Third Assistant Engineers overcome these early hurdles.

What is the difference between Third Assistant Marine Engineer vs Second Assistant Marine Engineer?

AspectThird Assistant Marine EngineerSecond Assistant Marine Engineer
CertificationsMarine Engineering License, STCW certificationsMarine Engineering License, STCW certifications
Work EnvironmentEngine room, maintenance, and repair tasksEngine room, more advanced maintenance, and supervisory duties
ResponsibilitiesAssist in engine operation and maintenanceSupervise junior engineers, assist in troubleshooting

The Third Assistant Marine Engineer and Second Assistant Marine Engineer share similar certifications and work environments. However, the Second Assistant typically has more responsibilities, including supervising junior staff and handling more complex maintenance tasks. Both roles are essential in the engine room, with the Second Assistant often acting as a step toward senior engineering positions.

What cities are hiring for Third Assistant Marine Engineer jobs?

Cities with the most Third Assistant Marine Engineer job openings:

What states have the most Third Assistant Marine Engineer jobs?

States with the most job openings for Third Assistant Marine Engineer jobs include:

What are popular job titles related to Third Assistant Marine Engineer jobs?

For Third Assistant Marine Engineer jobs, the most frequently searched job titles are:

Infographic showing various Third Assistant Marine Engineer job openings in the United States as of September 2026, with employment types broken down into 2% As Needed, 75% Full Time, 21% Part Time, and 2% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $88,754 per year, or $42.7 per hour.

Marine Oiler

Manhattan, NY • On-site

City of New York
Public Administration • 10K+ employees
Learn more about City of New Yorkexternal

Full-time

Re-posted 28 days ago

City Of New York rating

7.2

Company rating: 7.2 out of 10

Based on 81 frontline employees who took The Breakroom Quiz

Job description

Job Description

***IMPORTANT NOTE: Candidate(s) selected for the Marine Oiler position through this posting will be hired on a provisional basis. To be considered for permanent employment in this role, provisional employees will need to take and pass the next civil service examination for Marine Oiler and obtain a list number issued by the NYC Department of Citywide Administrative Services. Please be aware that employees who do not take and pass the exam, may not be able to continue in the provisional position.***
The NYC Department of Environmental Protection (DEP) enriches the environment and protects public health for all New Yorkers by providing 1.1 billion gallons of high quality drinking water, managing wastewater and stormwater, and reducing air, noise, and hazardous materials pollution. DEP is the largest combined municipal water and wastewater utility in the country, with nearly 6,000 employees. DEP's water supply system is comprised of 19 reservoirs and 3 controlled lakes throughout the system's 2,000 square mile watershed that extends 125 miles north and west of the City.
The Bureau of Wastewater Treatment (BWT) is responsible for the operation and maintenance of all facilities related to the treatment of sewage within the five boroughs of the City. This includes 14 wastewater treatment plants, sludge dewatering facilities, collections facilities (pumping stations, combined sewer overflow retention facilities, regulators, tide gates, etc.), wastewater laboratories and harbor vessels.
Under direct supervision, the selected candidate will perform duties on DEP-operated vessels such as: assist in the maintenance and operations of marine propulsion and auxiliary equipment; clean and paint machinery spaces; maintain lube oil stores; assist on dock-handling mooring lines; operate sludge valves as directed; and perform other related tasks.
MARINE OILER - 91546

Qualifications

Candidates must possess one of the following issued by the United States Coast Guard: a valid Third Assistant Marine Engineer or higher license; or a valid Merchant Mariner's Document having any of the following endorsements: Junior Engineer, Qualified Member of the Engine Department (QMED), Marine Oiler, or Marine Fireman/Water Tender. The license or Merchant Mariner's Document with endorsement must be maintained for the duration of employment.

Additional Information

The City of New York is an inclusive equal opportunity employer committed to recruiting and retaining a diverse workforce and providing a work environment that is free from discrimination and harassment based upon any legally protected status or protected characteristic, including but not limited to an individual's sex, race, color, ethnicity, national origin, age, religion, disability, sexual orientation, veteran status, gender identity, or pregnancy.

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