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3Rd Engineer Marine Jobs (NOW HIRING)

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3rd Boiler Engineer

Lawrence, MA · On-site

Artisan Chef Manufacturing is searching for a dedicated 3rd Engineer Boiler Technician to add to ... Work is typically performed onboard marine vessels or in industrial facilities with boiler systems.

Valaris PLC

WI · On-site

Minimum of four years working in the Marine industry. * 1-2 years of maritime experience as a 4th Engineer Officer in Charge of an Engineering Watch. * Completion of degree from a recognized Maritime ...

Marcurius

Marine Systems Engineer

Clearwater, FL · On-site

We are seeking a Marine Systems Engineer to serve as the internal technical authority for hull ... Experience reviewing and challenging third-party or vendor design work Preferred * Experience with ...

Cheniere Energy

Coordinator, Marine

Gregory, TX · On-site

Oversight and daily coordination of Marine department third party contracts such as: tugs, dredge ... Bachelor or Associate degree in engineering, marine or other relevant technical discipline is ...

Cheniere Energy

Coordinator, Marine

Gregory, TX · On-site

Oversight and daily coordination of Marine department third party contracts such as: tugs, dredge ... Bachelor or Associate degree in engineering, marine or other relevant technical discipline is ...

Cheniere

Coordinator, Marine

Gregory, TX · On-site

Oversight and daily coordination of Marine department third party contracts such as: tugs, dredge ... Bachelor or Associate degree in engineering, marine or other relevant technical discipline is ...

ConocoPhillips

Cadet - Marine

Houston, TX · On-site

... third-party vessels as necessary. The tankers deliver oil from Valdez, Alaska, to refineries ... Bachelor's degree or higher in Marine Engineering, Marine Operations, Maritime Operations ...

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 ...

City of New York

Marine Oiler

Manhattan, NY

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

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 ...

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3rd Engineer Marine information

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How much do 3rd engineer marine jobs pay per hour?

As of Sep 10, 2026, the average hourly pay for 3rd engineer marine in the United States is $42.93, according to ZipRecruiter salary data. Most workers in this role earn between $31.97 and $51.44 per hour, depending on experience, location, and employer.

What is a 3rd Engineer Marine?

A 3rd Engineer Marine, also known as a Third Engineer or Third Assistant Engineer, is a licensed officer in the engine department of a merchant ship. They are responsible for operating and maintaining machinery such as the main engine, generators, pumps, and auxiliary systems under the supervision of senior engineers. Their duties include watchkeeping, troubleshooting mechanical problems, and ensuring that all safety and environmental regulations are followed. The 3rd Engineer is a vital part of the engineering team, helping to keep the vessel running smoothly and safely during voyages.

What are the typical responsibilities of a 3rd Engineer Marine during a voyage?

As a 3rd Engineer Marine, your daily tasks typically include monitoring and maintaining machinery in the engine room, conducting regular inspections, and assisting with troubleshooting equipment issues. You will often be responsible for managing fuel and lubrication systems and may supervise engine room ratings during your watch. Additionally, you’ll work closely with the 2nd Engineer and Chief Engineer to ensure compliance with safety and environmental regulations, making teamwork and strong communication skills essential.

What are the key skills and qualifications needed to thrive as a 3rd Engineer Marine?

To thrive as a 3rd Engineer Marine, you need a solid grounding in marine engineering principles, engine maintenance, and troubleshooting, typically backed by a maritime engineering degree and a valid STCW III/1 certificate. Proficiency in using engine room monitoring systems, maintenance software, and safety management systems is also essential. Strong teamwork, problem-solving abilities, and attention to detail are important soft skills for effective operations and emergency response. These competencies are crucial to ensure the safe, efficient, and compliant functioning of vessel machinery and support the ship's overall performance.

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

Aspect3Rd Engineer Marine2Nd Engineer Marine
CertificationsSTCW Basic Safety, Engine Department CertificationsSTCW Basic Safety, Engine Department Certifications
Work EnvironmentEngine room, maintenance, safety checksEngine room, supervising 3rd engineers, maintenance
ResponsibilitiesAssist in engine maintenance, safety checksOversee 3rd engineers, perform repairs, engine management

The 3Rd Engineer Marine typically assists with engine maintenance and safety tasks, while the 2Nd Engineer Marine has more supervisory responsibilities and oversees the work of 3rd engineers. Both roles require similar certifications and work in the engine room, but the 2Nd Engineer has a higher level of responsibility and experience.

What cities are hiring for 3Rd Engineer Marine jobs?

Cities with the most 3Rd Engineer Marine job openings:

What states have the most 3Rd Engineer Marine jobs?

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

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

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

3rd Engineer Marine jobs near you
Infographic showing various 3Rd Engineer Marine job openings in the United States as of August 2026, with employment types broken down into 94% Full Time, 2% Part Time, and 4% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $89,286 per year, or $42.9 per hour.

3rd Assistant Engineer - Marine

Houston, TX • On-site

ConocoPhillips
Oil and Gas Extraction • 10K+ employees
Learn more about ConocoPhillipsexternal

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted yesterday

ConocoPhillips rating

6.9

Company rating: 6.9 out of 10

Based on 41 frontline employees who took The Breakroom Quiz

56th of 87 rated oil and gas companies

Job description

Welcome to ConocoPhillips, where innovation and excellence create a platform for opportunity and growth. Come realize your full potential here.
Who We Are
We are one of the world's largest independent exploration and production companies, based on proved reserves and production of liquids and natural gas. With operations and activities in 13 countries, we explore for, develop, and produce crude oil and natural gas globally. We are challenged with an important job to safely find and deliver energy to the world. Our employees are critical to our success, and with them we power civilization.
We're grounded by our SPIRIT Values - safety, people, integrity, responsibility, innovation, and teamwork. These values position us to deliver strong performance in a dynamic business - but not at all costs. We believe it's not just what we do - it's how we do it - that sets us apart.
Fostering an Inclusive Work Environment
To deliver superior performance, we create an environment that respects the contributions and differences of every individual. Wherever possible, we use these differences to drive competitive business advantage, personal growth and, ultimately, create business success.
Job Summary
Polar Tankers Overview
Polar Tankers, a wholly owned subsidiary of ConocoPhillips, provides marine transportation for North Slope production, deliver oil from Valdez, Alaska, to refineries primarily on the West Coast of the United States. The company operates five Endeavour-class tankers: Polar Endeavour, Polar Resolution, Polar Discovery, Polar Adventure and Polar Enterprise.
Description
If you are selected as the 3rd Assistant Engineer, you will be working under the direction of the Chief Engineer and 1st Assistant Engineer. The 3rd Assistant Engineer is primarily responsible for the maintenance of diesel powered, electric generators, air compressors, purifiers, and electrical work aboard the ship. The 3rd Assistant Engineer is required to participate in all drills and emergencies and to assist with the enforcement of rules, procedures, regulations, and pollution prevention.
Position Overview
Your responsibilities may include:
  • Working under the supervision of the Chief Engineer
  • Safely and efficiently operating the entire engineering plant
  • Maintaining generators routinely
  • Maintaining electric motors routinely
  • Maintaining air compressors routinely
  • Maintaining L.O. purifiers routinely
  • Maintaining main engine lube oil systems/stern tube lube oil systems routinely
  • Performing all electrical work aboard the ship
  • Working independently
  • Testing and recording of insulation resistance (megger testing)
  • Collecting monthly samples of lube oil from all machinery
  • Working aloft
  • Checking all pumps and machinery during rounds
  • Monitoring activities from the engine control room
  • Working 12 hours per day. You may not work more than 15 hours per day
  • Being on call 24 hours/day for all emergencies

This is a Safety Sensitive position.
Relocation is not provided for this position.
Basic/Required:
  • Must be legally authorized to work in the United States on a full-time basis for anyone other than current employer
  • Currently hold, or have the ability (with or without reasonable accommodation) to obtain, a U.S. Passport
  • Transportation Workers Identification Card (TWIC)
  • Merchant Mariner Credential (MMC)
  • Currently hold the following endorsements on Merchant Mariner Credential (MMC):
  • Officer In Charge Of An Engineering Watch (OICEW)
  • Able Seafarer - Engine
  • Rating Forming Part Of An Engineering Watch (RFPEW)
  • Proficiency In Survival Craft & Rescue Boats (PSC)
  • Medical First-Aid Provider
  • Advanced Fire Fighting
  • Basic Training
  • Vessel Personnel With Designated Security Duties (VPDSD)
  • Security Awareness
  • Third Assistant Engineer - Motor
  • QMED (Any Rating)
  • Lifeboatman
  • Willing and able (with or without reasonable accommodation) to perform the following:
  • Be away from home for periods in excess of two months
  • Push/pull up to 200 pounds
  • Lift/carry up to 100 pounds floor to shoulder
  • Lift from floor to overhead and transport articles weighing up to 50 pounds
  • Climb various ladders and stairs ranging from 5 to 200 feet in height
  • Perform maintenance on equipment
  • Stand for long periods of time
  • Physically attend to vessels including confined space entry and environmental extremes
  • Walk, stand, stoop, sit, climb, and carry material on a daily basis on even and uneven terrain
  • Work outside in harsh weather condition
  • Work alone a high percentage of the time

Preferred:
  • Bachelor's degree or higher in Marine Engineering or foreign equivalent
  • Currently hold the following endorsements on Merchant Mariner Credential (MMC):
  • Tankerman Engineer
  • Advanced Oil Tanker Cargo Operations
  • 1+ years of experience in generator maintenance
  • 1+ years of experience in working on air compressors
  • 1+ years of direct experience sailing as a cadet on a tanker/ship
  • 1+ years of direct experience sailing as an officer
  • Possess good written, verbal and communication skills
  • Willing and able (with or without reasonable accommodation) to learn material needed to be successful in the role
  • Satisfactorily passing certification exams
  • Having the ability to collaborate and work well with peers
  • Ability to clearly follow instructions, both written and verbal
  • Ability to apply common sense to achieve the desired outcomes according to the company's operating procedures and safety protocols
  • Organized, efficient and a methodical problem solver
  • Takes ownership of actions and follows through on commitments by holding others accountable and standing up for what's right
  • Delivers positive results through realistic planning to accomplish goals
  • Builds effective solutions based on available information and makes timely decisions that are safe and ethical

All licensed officers earn paid leave on the basis of one day worked onboard and one day earned of paid leave. Normal tours are sixty (60) days onboard and sixty (60) days of paid leave.
This position requires you to have a TWIC card (Transportation Workers Identification Card) to gain access to secure areas of Maritime Transportation Security Act (MTSA) regulated facilities and vessels. Any candidate selected for this position will not be allowed to begin work without proof of application for this card. Visit the TSA website: TWIC® | Transportation Security Administration (tsa.gov) for more information.
Successful applicants are all ConocoPhillips employees represented by the in-house associations, the Atlantic Maritime Officers Association (AMOA) for Officers.
Apply By:
Sponsorship:
ConocoPhillips' sponsorship for employment authorization in the U.S. is NOT available for this position.
Benefits Overview
ConocoPhillips offers a competitive and comprehensive benefits package designed to support your well-being and career growth:
  • Taking Care of Your Health & Wellness: Medical, dental, vision, mental health support, and wellness programs.
  • Supporting and Building Financial Security: Competitive base pay, annual performance bonuses, and retirement savings plans.
  • Promoting Work-Life Balance: Paid time off, paid parental leave, and family support resources.
  • Offering Career Development: Access to training, mentoring, and internal career mobility tools.
  • Guiding Recognition & Inclusion: Peer-nominated awards, inclusive culture, and employee resource groups.

Why ConocoPhillips
At ConocoPhillips, we believe our people power the future of energy. We're committed to creating a workplace where employees feel valued, supported, and inspired to grow-professionally and personally.
We don't just offer jobs-we offer meaningful careers in a company that values how we work as much as what we achieve.
EEO:
In the US, ConocoPhillips is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, age, disability, veteran status, gender identity or expression, genetic information, or any other legally protected status.

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