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3Rd Assistant Engineer Jobs (NOW HIRING)

Complete company training requirements for the 3rd Assistant Engineer job level as per the training matrix, including in local/regulatory requirements. * If applicable, the duties and ...

Chevron USA - Marine is accepting online applications for the position of Third Assistant Engineer located on one of their US Flag fleet of vessels through May 31st , 2026, at 11:59 p.m. (PST)

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

Engineer - Marine

New Orleans, LA · On-site

$76K - $103K/yr

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

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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 Jun 7, 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 are 3rd Assistant Engineers?

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 some 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:
What states have the most 3Rd Assistant Engineer jobs? States with the most job openings for 3Rd Assistant Engineer jobs include:
3rd Assistant Engineer

3rd Assistant Engineer

Hornbeck Offshore

Covington, LA • On-site

Full-time

Posted 29 days ago


Job description

At Hornbeck Offshore, our people are our propellers to success, and our most important asset. Our culture of integrity, commitment, excellence and teamwork is what differentiates us from the rest.
We're committed to being your Company of Choice®
JOB DESCRIPTION SUMMARY
The Third Assistant Engineer is designated by the Company as an engineering officer of each vessel. The Third Assistant Engineer is responsible for the management, maintenance, and operation of shipboard engineering systems and equipment and is responsible for representing, enforcing, and preserving Company interests, policies, and procedures to the crew, clients, sub-contractors, and duly authorized authorities as directed by the Chief Engineer.
The Third Assistant Engineer's duties include, but are not limited to, the full implementation of the Company Safety Management System (SMS), Code of Conduct, Company Policies, and Company Mission Statement. The Third Engineer serves as the Officer in Charge of the Engineering Watch (OICEW) as directed by the Master. The Third Assistant Engineer ensures the safe and efficient maintenance and operation of the vessel's engineering systems and spaces including, but not limited to, main propulsion, power generation and management systems, vessel control systems, automation systems, dry bulk and liquid cargo transfer systems, fuel management systems, bilge and ballast systems; firefighting systems, refrigeration and HVAC systems; potable water, grey water and sewage systems, communication and electronic navigation systems, deck machinery and cranes. The Third Assistant Engineer manages all below deck cargoes and engineering stores; tracks and reports on the consumption of fuel, water, lube oils, hydraulic oils, and engineering spare parts and supplies. The Third Assistant Engineer is responsible for the monitoring of the seaworthiness of the vessel, the safety of the crew and persons in addition to crew, protection of the environment, protection of the cargo or property of the charterer, vessel's industrial mission performance, mobilization and de-mobilization project management, charterer relations, crew resource management, cost control, crew competency assessment, training, and other responsibilities that may be assigned by the Chief Engineer or that the Third Assistant Engineer recognizes as essential to his/or her responsibility.
JOB DESCRIPTION
RESPONSIBILITY AND AUTHORITY
1. The Third Assistant Engineer is responsible for implementing the safety and environmental protection policies of the Company; motivating the crew in the observation of those policies; issuing and communicating appropriate orders and instructions in a clear and simple manner; and verifying that specified requirements of the SMS, Code of Conduct, and Company policies are observed.
2. To ensure the safe operation of each vessel and to provide a link between the Company and those on board, the Company has designated a person or persons ashore having direct access to the highest level of management. The Third Assistant Engineer (and all crew members) has been provided contact information for the DPA and alternate DPA. The Third Assistant Engineer has the responsibility to monitor the safety and pollution prevention aspects of the operation of their ship and to ensure that adequate resources and shore-based support are applied, as required. Any deficiencies must be immediately reported to the Master and Company DPA.
3. As directed by the Master, the Third Assistant Engineer has the authority under his/her licensure to perform responsibilities aboard their vessel or when otherwise engaged in the business of the Company in the capacity of a Third Assistant Engineer in a manner consistent with this job description.
4. As directed by the Master the Third Assistant Engineer serves as the OICEW and is responsible to ensure the safe operation and efficient maintenance of the vessels engineering systems in compliance with the applicable laws and regulations of the vessel's flag state, coastal state, and the Company SMS in a manner consistent with maintaining the safety of the crew and the protection of the environment.
5. The Third Assistant Engineer manages engineering crew, vendors, and sub-contractors as directed by the Chief Engineer, including service delivery, safety management, human resource management, and cost management in accordance with the policies and procedures of the Company.
ORGANIZATIONAL RELATIONSHIP
1. The Third Assistant Engineer is accountable to, and reports to the Chief Engineer of the vessel for all aspects of job performance.
2. The Third Assistant Engineer shall manage the engineering crew assigned to his/her vessel under the direction of the Chief Engineer.
3. The Third Assistant Engineer shall cooperate and work closely with flag state, port state and coastal state officials, client representatives, Operations Coordinator, Third Officer, OICNW, and any other relevant personnel necessary for the safe and efficient maintenance and operation of the vessels engineering systems as directed by the Chief Engineer.
QUALIFICATIONS AND EXPERIENCE
The minimum qualifications and experience required for each Third Assistant Engineer are:
1. Possess all valid flag state (and coastal state as applicable) credentials required by law for service as Third Assistant Engineer on the route and class of vessel appointed to (examples: Merchant Mariners Credential, TWIC Card, Medical Certificate, etc.).
2. A valid Passport is highly preferred.
3. A valid riggers certificate from a recognized issuing authority.
4. Ability to read and write English as well as render, understand, and react to commands given in English.
5. Minimum six months experience on vessels of similar size and route in a position not lower than Assistant Engineer.
DEMANDS AND WORK ENVIRONMENT
Incumbents must be able to:
1. Lift and move equipment that weighs up to 50 pounds or more
2. Move equipment that is heavy, large, and awkward, sometimes from one level to another.
3. Ascend and descend stairs and ladders, sometimes while transporting tools or objects.
4. Use portable ladders or stools to allow them to work on systems that are located in the overhead section of machinery spaces. Repairs may require that incumbents reach into small, poorly accessible areas of machinery.
5. Work on equipment that has pressurized or hot components; secure or segregate systems to provide an adequate safety margin;
6. Troubleshoot equipment that is difficult to reach
7. Work in areas that have high noise levels
8. Work below decks in an area that may experience periods of darkness in unusual situations; and work in confined and restricted spaces.
9. Demonstrate sufficient physical dexterity to enable them to manipulate small items in restricted spaces or large objects when using mechanical lifting devices.
10. Performing assigned emergency duties without undue danger to himself /herself or the vessel.
Agreeable to occasional requirement to crew change by helicopter and maintain a valid OPITO BOSIET credential.
Note: Rotation schedule may vary and is subject to change based on vessel requirements.
In-person applications will be accepted by appointment only.
EEO/AA Employer/Vet/Disabled