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On Call Third Assistant Engineer Jobs (NOW HIRING)

CORE Group

USCG 3rd Assistant Engineer

Houston, TX · On-site

$90 - $130/hr

USCG 3rd Assistant Engineer Looking for an Assistant Engineer for a hitch onboard a deepwater offshore drillship operating in the Gulf. This is a working engineering position supporting an active ...

Hornblower Corp

$90 - $130/hr

Third Assistant Engineer - Seaward Services - USNS Guam United States Posted Tuesday, August 25, 2026 at 7:00 AM Hornblower Group is a global leader in experience and transportation. Spanning a 100 ...

Helix Energy Solutions Group, Inc

$90 - $120/hr

The 3 rd Assistant Engineer coordinates with the Chief Engineer, 1 st and 2 nd Assistant Engineers, Watchkeeping Engineers, Electrician, Chief Officer or any other personnel necessary for the safe ...

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Alutiiq

Chief Engineer

Blackstone, VA · On-site

Certificate from AFE (CPE), USCG Third Assistant Engineer License, or U.S. State Stationary Engineers License Strong technical acumen in facility operations and maintenance. Excellent communication ...

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On Call Third Assistant Engineer information

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$33K

$88.8K

$134.5K

How much do on call third assistant engineer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for on call third 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 is the difference between On Call Third Assistant Engineer vs Third Assistant Engineer?

AspectOn Call Third Assistant EngineerThird Assistant Engineer
CertificationsSTCW certifications, Engine Room certificationsSTCW certifications, Engine Room certifications
Work EnvironmentOn-call basis, variable hours, ship engine roomRegular scheduled shifts, ship engine room
Employer & Industry UsageMaritime shipping companies, cruise linesMaritime shipping companies, cruise lines

The main difference is that an On Call Third Assistant Engineer works on an on-call basis, often responding to emergencies or maintenance needs, while a Third Assistant Engineer typically has scheduled shifts and routine duties. Both roles require similar certifications and are employed in the maritime industry, but the on-call position offers more flexibility and variable hours.

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What job categories do people searching On Call Third Assistant Engineer jobs look for?

The top searched job categories for On Call Third Assistant Engineer jobs are:

On Call Third Assistant Engineer jobs near you
Infographic showing various On Call Third Assistant Engineer job openings in the United States as of August 2026, with employment types broken down into 1% Locum Tenens, 1% As Needed, 79% Full Time, 13% Part Time, and 6% Contract. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $88,754 per year, or $42.7 per hour.

3rd Assistant Engineer

Grand River Navigation Company

Fife Lake, MI • On-site

Other

Medical, Dental, Vision, Life, Retirement

Posted 11 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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