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Third Assistant Marine Engineer Jobs (NOW HIRING)

Downtown Boulder Partnership

In this role, you will assist in providing technical expertise for marine systems, ensuring ... Provide engineering support and consulting services to clients, including technical analysis ...

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Third Assistant Marine Engineer information

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$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.

3rd Assistant Engineer

Traverse City, MI • On-site

Grand River Navigation Company
See more jobs at Grand River Navigation Companyexternal

Other

Medical, Dental, Vision, Life, Retirement

Re-posted 14 days ago

Job description

Description:

Come Sail with us on the Great Lakes!


If you are looking to become part of our team that strongly values safety, efficient operations, a family-oriented environment, come sail with us! Grand River Navigation has one of the best leave and rotation systems on the Great Lakes. With unprecedented teamwork and some of the most talented colleagues in the industry we can guarantee you will enjoy a career with us!


Grand River Navigation Company is the U.S. operating subsidiary of Mainstay Maritime. We are one of the largest marine transportation service providers operating on the Great Lakes today with a combined fleet of 15 bulk freight vessels that provide service to over 50 customers across the Great Lakes and St. Lawrence Seaway.


Competitive total rewards package including income, paid travel to/from the vessel, healthcare benefits, retirement savings plans and work/life balance with best-in-class rotation. We have many education opportunities and upgrade bonuses to support career growth at a pace that is right for each individual.


"We can go where the big ships go and also where they can't!"


Our Company is searching for qualified candidates for the position of 3rd Assistant Engineer aboard our US flagged self-unloading vessels.

Responsibilities

  • Assist with the operation, monitoring, and maintenance of propulsion, auxiliary, and mechanical systems.
  • Perform routine inspections of engine room equipment and report deficiencies to senior engineering officers.
  • Assist with preventative maintenance, repairs, and troubleshooting of vessel machinery.
  • Maintain engineering logs, maintenance records, and equipment documentation.
  • Support fuel transfers, lubrication programs, and inventory management of engineering supplies.
  • Maintain cleanliness and safety standards in engine room and machinery spaces.
  • Participate in emergency drills and respond to vessel emergencies as assigned.
  • Comply with company safety policies, environmental regulations, and vessel operating procedures.
  • Assist with drydock projects, equipment overhauls, and regulatory inspections.
  • Perform other duties as assigned by senior engineering officers to support safe and efficient vessel operations.

Benefits

  • As an employee, you are part of the Mainstay Maritime family where teamwork and safety are core values
  • Highly competitive wages and benefits including medical, dental, vision, company paid long-term and short-term disability and life insurance, 401K with company match
  • Excellent companywide safety record
  • Company paid training and education opportunities


Job Type: Full Time - Permanent

Requirements:
  • TWIC Card - Transportation Worker Identification Credential
  • United States Merchant Mariners Credential (MMC) issued by the United States Coast Guard (USCG)
  • MMC Endorsement as 3rd Assistant Engineer of Motor Propelled Vessels Unlimited Horsepower
  • Unexpired US Passport or Enhanced Driver's License and allowed entry into Canada
  • Legally authorized to work in the US, without restriction
  • Excellent communication and ability to multi-task
  • Experience working as a team and desire to working together as a team player
  • Experience and desires to align to our Values: Creating a Positive Customer Experience, Health/Safety/Environment focused, High Integrity and Teamwork

Grand River Navigation is an Equal Opportunity Employer - All qualified applications will receive consideration for employment without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality or sex, marital status, genetic information, protected veteran status, or any other status protected by law. We also comply with Family Medical Leave Act and Employee Rights Employee Polygraph Protection Act.


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