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3Rd 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 · 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 · 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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3rd Assistant Marine Engineer information

See salary details

$33K

$88.8K

$134.5K

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

As of Sep 14, 2026, the average yearly pay for 3rd 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 3rd assistant marine engineer?

A 3rd Assistant Marine Engineer, also known as a Fourth Engineer, is an entry-level licensed engineering officer on a merchant ship. They are responsible for operating, maintaining, and repairing the ship's engine room machinery and other mechanical systems under the supervision of senior engineers. Their duties include monitoring engine performance, conducting routine maintenance, and responding to emergencies. This role is critical in ensuring the safe and efficient operation of the vessel.

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

As a 3rd Assistant Marine Engineer, you'll play a crucial role in maintaining and operating the ship's engine room and associated mechanical systems. Your daily tasks often include monitoring engine performance, conducting routine maintenance, and assisting with repairs under the supervision of senior engineers. You'll also participate in watchkeeping duties, ensuring the safe and efficient operation of all machinery during your assigned shifts. Collaboration with the engineering team and clear communication with the deck department are essential, especially during equipment troubleshooting or emergency situations.

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

To thrive as a 3rd Assistant Marine Engineer, you need a solid grounding in marine engineering principles, mechanical systems, and a valid STCW engineering license or equivalent maritime certification. Familiarity with engine room systems, maintenance management software, and compliance with international maritime regulations is typically required. Strong problem-solving abilities, teamwork, and attention to detail are critical soft skills for this role. These skills and qualifications are essential to ensure the safe and efficient operation of a vessel’s machinery and compliance with maritime safety standards.

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

Aspect3Rd Assistant Marine Engineer2Nd Assistant Marine Engineer
CertificationsEngine Cadet or Trainee Certification, Basic Marine EngineeringEngine Room Rating Certification, Advanced Marine Engineering
Work EnvironmentAssists in routine engine room tasks, supervised by senior engineersPerforms more complex maintenance, supports senior engineers
ResponsibilitiesAssist with engine operations, maintenance, and repairsHandle specific engine systems, troubleshoot issues

The main difference between a 3Rd Assistant Marine Engineer and a 2Nd Assistant Marine Engineer lies in experience, responsibilities, and certification levels. The 3Rd Assistant typically assists with basic engine room tasks under supervision, while the 2Nd Assistant takes on more complex duties and has advanced certifications. Both roles are essential in the engine room team, with the 2Nd Assistant having greater technical responsibilities and experience.

More about 3rd Assistant Marine Engineer jobs

What cities are hiring for 3Rd Assistant Marine Engineer jobs?

Cities with the most 3Rd Assistant Marine Engineer job openings:

What states have the most 3Rd Assistant Marine Engineer jobs?

States with the most job openings for 3Rd Assistant Marine Engineer jobs include:

What are popular job titles related to 3Rd Assistant Marine Engineer jobs?

For 3Rd Assistant Marine Engineer jobs, the most frequently searched job titles are:

3rd Assistant Marine Engineer jobs near you
Infographic showing various 3Rd Assistant Marine Engineer job openings in the United States as of September 2026, with employment types broken down into 96% Full Time, and 4% Part Time. Highlights an 86% In-person, 4% Hybrid, and 10% 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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