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3Rd Assistant Engineer Jobs (NOW HIRING)

Engineer

Corpus Christi, TX · On-site

$64K - $136K/yr

... third assistant engineer of motor propelled vessels Pay Rates:12-hour day: $293.5524-hour day: $587.10Relief Engineers Pay Rates12-hour day: $242.05-301.2824-hour day: $484.10-602.56 Schedule:Seven ...

Engineer

Corpus Christi, TX · On-site

$64K - $136K/yr

... third assistant engineer of motor propelled vessels Pay Rates:12-hour day: $293.5524-hour day: $587.10Relief Engineers Pay Rates12-hour day: $242.05-301.2824-hour day: $484.10-602.56 Schedule:Seven ...

Engineer

Galveston, TX · On-site

$64K - $136K/yr

... third assistant engineer of motor propelled vessels Pay Rates:12-hour day: $293.5524-hour day: $587.10Relief Engineers Pay Rates12-hour day: $242.05-301.2824-hour day: $484.10-602.56 Schedule:Seven ...

Engineer

Galveston, TX · On-site

$64K - $136K/yr

... third assistant engineer of motor propelled vessels Pay Rates:12-hour day: $293.5524-hour day: $587.10Relief Engineers Pay Rates12-hour day: $242.05-301.2824-hour day: $484.10-602.56 Schedule:Seven ...

United States Coast Guard Third Assistant Engineer License of Steam, Motor, or Gas Turbine vessels of any horsepower, OR * U.S. State Stationary Engineers License * Demonstrated certifications in ...

United States Coast Guard Third Assistant Engineer License of Steam, Motor, or Gas Turbine vessels of any horsepower, OR * U.S. State Stationary Engineers License * Demonstrated certifications in ...

United States Coast Guard Third Assistant Engineer License of Steam, Motor, or Gas Turbine vessels of any horsepower, OR * U.S. State Stationary Engineers License * Demonstrated certifications in ...

United States Coast Guard Third Assistant Engineer License of Steam, Motor, or Gas Turbine vessels of any horsepower, OR * U.S. State Stationary Engineers License * Demonstrated certifications in ...

Chief Engineer

Arlington, VA · On-site

$145K - $185K/yr

United States Coast Guard Third Assistant Engineer License of Steam, Motor, or Gas Turbine vessels of any horsepower, OR * U.S. State Stationary Engineers License * Demonstrated certifications in ...

United States Coast Guard Third Assistant Engineer License of Steam, Motor, or Gas Turbine vessels of any horsepower, OR * U.S. State Stationary Engineers License * Demonstrated certifications in ...

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3Rd Assistant Engineer information

See salary details

$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:
USCG Licensed Assistant Engineer 2026

USCG Licensed Assistant Engineer 2026

O'Hara Corporation

Seattle, WA

Contractor

Medical, Dental, Vision, Retirement

Posted yesterday


Job description

Excellence. Innovation. Integrity. Passion.

Assistant Engineers work under the direction, guidance, and training of the Chief Engineer to assist in operation, maintenance and repair the vessel's operating systems: diesel engines, generators, refrigeration, electrical and hydraulic equipment, water making and sanitary equipment, deck machinery, factory equipment, pumps, cooling, and conveyor systems during the portion of their shift scheduled in the engine room. Assistant engineers, under the direction of the Chief Engineer, may maintain the engine room and other logs as required by the company or other agencies. Assistant Engineers also assist in fueling the vessel and transferring fuel onboard.

Essential Duties

Assistant Engineers must be able to:

  • Work under the direction, guidance, and training of the chief engineer.
  • Assist in operation, maintenance, and repair of the vessel's operating systems: diesel engines, generators, refrigeration, electrical and hydraulic equipment, water making and sanitary equipment, deck machinery and fish hauling equipment, factory equipment, pumps, cooling, and conveyor systems.
  • Perform work assignments under the direction of the chief engineer.
  • Assist in transfer bulk petroleum products.
  • Maintain an inventory control system.
  • Under oversight of the chief engineer, prepare department records and reports as required by the company, USCG, OSHA and other agencies.
  • Oversee a safety program.
  • Ensure all engineering crew are trained and fully cognizant of the job hazards.
  • Ensure LOCK OUT-TAGS PLUS procedures are communicated, followed, and enforced.
  • Resolve technical problems as they occur.
  • Give specific directions in the case of an emergency.

Work Schedule

  • Assistant engineers work at least 13 hours per day, 7 days per week.
  • Work hours may be extended as necessary which may result in uneven shifts and sleep patterns.
  • Breaks are determined by the business needs of the fish processing plant.  Unplanned, unscheduled breaks are prohibited except in health or safety related incidents. 

Work Environment

  • While performing the duties of this job, employees and the vessel will be operating in extremely remote and austere locations; often days away from land or dock facilities.
  • While performing the duties of this job, employees are expected to wear protective clothing and equipment such as rain gear (pants and sleeves), gloves, rubber boots, noise suppression devices, and use as required: hardhat, safety goggles, fire extinguisher, respirator, life preserver and survival suit.
  • Employees will be exposed to various species of fish; wet, humid and freezing conditions; fish processing equipment such as headers, movable and stationary conveyor systems, knives, hoists, pressure washers, cleaning chemicals, shovels, buckets, baskets and aluminum pans.
  • The noise level in the work environment is usually loud. Employees work onboard a vessel in the ocean which by nature produces varying degrees of motion in the factory.
  • While performing the duties of this job, Engineers are regularly exposed to moving machinery, vibration, and risk of electrical shock.

Requirements

Education, Experience

  • USCG 3rd Assistant License Unlimited or higher.
  • Engine room experience on a catcher processor vessel preferred.
  • Earned High School Diploma or GED. Education verification will be required prior to hire.
  • 24 months or more of relevant verifiable work experience in the last 4 years. Work history must be provided during the application process. No Exceptions.
  • Ability to understand and have the ability to communicate in English for emergency, safety, and training purposes is required.

Physical Demands

All employees must be able to:

  • Board and exit the vessel by gangplank or Jacob's ladder without assistance.
  • Board or exit a skiff without assistance in all weather conditions.
  • Ascend and descend steep stairways and ladders in all temperatures.
  • Work at least 16 hours per day, 7 days per week for the duration of the contract.
  • Perform repetitive tasks for extended periods of time.
  • Stand and walk; lift weights up to and over 50 pounds for full range from floor to above their head repeatedly.
  • Use fingers, hands and arms to push, pull and reach.
  • Bend and twist.
  • Stoop, kneel, crouch or crawl.
  • Work long hours in all kinds of weather.
  • Work in a cold and wet environment.
  • Don life jacket, life vest and/or survival suit without assistance.
  • Must be able to pass pre-employment and random drug tests per USCG regulations. This job is designated by O'Hara Corporation to be Safety Sensitive, and a pre-employment drug screen is part of the hiring process.

Mental Activities

All employees must be able to:

  • Hear, understand, and follow instructions, directions, safety rules and procedures in English.
  • Use interpersonal and teamwork skills.
  • Live and work with others in close quarters.
  • Be away from medical care and supervision for 3+ months at a time.
  • Share crew quarters, bathroom facilities, and common dining areas with other crew members.
  • Discern between various shades of color for identifying and sorting various fish species as well as for safety signs, alarms, and warnings.

Benefits

  • Medical, vision and dental insurance is offered to employees and qualified dependents, if elected.
  • 401(k) with employer match after one year of employment, if elected.
  • Meals, snacks, and beverages provided including diverse cuisine options while at sea. (Additional at-sea store available for specialty items to purchase and have deducted from paycheck)
  • O'Hara will book and pre-pay flight and lodging from Point of Hire- Seattle, WA to Dutch Harbor, AK.

Compensation

  • $850-$1700 a day DOE

O'Hara Corporation provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.