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Third Engineer Jobs in Maine (NOW HIRING)

American Cruise Lines

Third Mate

Portland, ME · On-site

Third Mates work alongside Deckhands and Engineers completing watch standing, maintenance, sanitation, and logistics tasks. Third Mates operate and maintain our 35ft-50ft certificated passenger ...

American Cruise Lines

Third Mate

Bangor, ME

Third Mates work alongside Deckhands and Engineers completing watch standing, maintenance, sanitation, and logistics tasks. Third Mates operate and maintain our 35ft-50ft certificated passenger ...

American Cruise Lines

Third Mate

Bar Harbor, ME · On-site

Third Mates work alongside Deckhands and Engineers completing watch standing, maintenance, sanitation, and logistics tasks. Third Mates operate and maintain our 35ft-50ft certificated passenger ...

American Cruise Lines

Third Mate

Portland, ME

Third Mates work alongside Deckhands and Engineers completing watch standing, maintenance, sanitation, and logistics tasks. Third Mates operate and maintain our 35ft-50ft certificated passenger ...

American Cruise Lines

Third Mate

Bar Harbor, ME

Third Mates work alongside Deckhands and Engineers completing watch standing, maintenance, sanitation, and logistics tasks. Third Mates operate and maintain our 35ft-50ft certificated passenger ...

American Cruise Lines

Third Mate

Bangor, ME · On-site

Third Mates work alongside Deckhands and Engineers completing watch standing, maintenance, sanitation, and logistics tasks. Third Mates operate and maintain our 35ft-50ft certificated passenger ...

DuBois & King, Inc.

Mechanical Engineer

Bangor, ME · On-site

$80K - $100K/yr

DuBois & King, Inc. is currently hiring a Mechanical Engineer with 5 -10 years' experience in the ... A Note to Third-Party Recruiters DuBois & King manages all recruiting and hiring directly. We do ...

DuBois & King, Inc.

Mechanical Engineer

Bangor, ME · On-site

$80K - $100K/yr

DuBois & King, Inc. is currently hiring a Mechanical Engineer with 5 -10 years' experience in the ... A Note to Third-Party Recruiters DuBois & King manages all recruiting and hiring directly. We do ...

DuBois & King, Inc.

Staff Civil Engineer

Bangor, ME

This is a full-time engineering position with full benefits in our busy and growing Bangor, Maine ... A Note to Third-Party Recruiters DuBois & King manages all recruiting and hiring directly. We do ...

DuBois & King, Inc.

Staff Civil Engineer

Bangor, ME · On-site

This is a full-time engineering position with full benefits in our busy and growing Bangor, Maine ... A Note to Third-Party Recruiters DuBois & King manages all recruiting and hiring directly. We do ...

Enhance Recruiting

Electrical Engineer

Biddeford, ME

Support certification efforts with UL, CSA, ETL, or other third-party organizations. * Contribute to embedded programming, firmware, PCB, or board-level circuit design projects as applicable. * Work ...

NinjaOne

This team builds and maintains the third-party software catalog that powers automated patching ... You will join our Software Engineering team, working alongside other Software Product Engineers.

NECI

Application Engineer

Buffalo, NY · On-site

$70K - $100K/yr

This is not a pure engineering role, and it is not a pure sales role. The best fit is someone who ... Please note that any third-party unsolicited resume submissions will immediately become the ...

NECI

Application Engineer

Bangor, ME

$70K - $100K/yr

This is not a pure engineering role, and it is not a pure sales role. The best fit is someone who ... Please note that any third-party unsolicited resume submissions will immediately become the ...

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All JobsThird Engineer JobsThird Engineer Jobs in Maine

Third Engineer information

What are some common challenges faced by third engineers working on commercial vessels?

Third Engineers often manage the operation and maintenance of a ship’s machinery under the guidance of senior engineers. Common challenges in this role include troubleshooting unexpected mechanical failures, adapting to rapidly changing weather or sea conditions, and ensuring compliance with strict safety and environmental regulations. Additionally, Third Engineers must effectively coordinate with multinational crews and work in shifts, which can demand flexibility and strong communication skills. Overcoming these challenges helps build valuable experience for advancement to higher engineering positions.

What is a third engineer?

A Third Engineer, also known as a Third Assistant Engineer, is a licensed member of the engineering department on a merchant ship. They are responsible for operating and maintaining machinery in the engine room, including boilers, generators, and pumps. Third Engineers typically report to the Second Engineer and assist in routine maintenance, troubleshooting, and emergency repairs to ensure the vessel operates safely and efficiently. They also keep records of engine performance and fuel consumption as part of their daily duties.

What are the key skills and qualifications needed to thrive as a third engineer, and why are they important?

To thrive as a Third Engineer, you need a solid grounding in marine engineering principles, a relevant engineering degree, and a valid Certificate of Competency. Familiarity with shipboard machinery, maintenance management systems, and safety protocols, as well as proficiency in using diagnostic and monitoring tools, is crucial. Strong problem-solving abilities, teamwork, and effective communication help you respond quickly to technical issues and coordinate with the ship's crew. These skills ensure the vessel operates safely and efficiently, minimizing downtime and supporting overall maritime operations.

What is the difference between Third Engineer vs Second Engineer?

AspectThird EngineerSecond Engineer
Required CertificationsSTCW Basic Safety, Engine Room CertificationsSTCW Basic Safety, Engine Room Certifications, Additional Endorsements
Work EnvironmentEngine room, ship maintenance, safety proceduresEngine room, more complex machinery, supervisory tasks
Employer & Industry UsageMaritime shipping, cargo ships, cruise shipsMaritime shipping, cargo ships, cruise ships

The Third Engineer and Second Engineer roles are both vital engine department positions on ships. The Third Engineer typically handles routine maintenance and watchkeeping, while the Second Engineer has more responsibilities, including supervising engine room operations and assisting the Chief Engineer. Both roles require similar certifications, but the Second Engineer's duties are more advanced, reflecting experience and additional qualifications.

What are popular job titles related to Third Engineer jobs in Maine?

For Third Engineer jobs in Maine, the most frequently searched job titles are:

What job categories do people searching Third Engineer jobs in Maine look for?

The top searched job categories for Third Engineer jobs in Maine are:

Third Engineer jobs near you
Infographic showing various Third Engineer job openings in Maine as of August 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Third Mate

American Cruise Lines

Portland, ME • On-site

Full-time

Medical, Dental, Vision, Retirement

Re-posted 2 days ago

Job description

Third Mate
American Cruise Lines is seeking Third Mates for our growing fleet sailing unique itineraries along inland and coastal waterways of the East Coast, Pacific Northwest, Columbia-Snake Rivers, Great Lakes, and Mississippi-Ohio-Cumberland-Tennessee-Arkansas Rivers. Our U.S. flag ships are state-of-the art designed for safe operation and five-star service to 100-200 guests.
Third Mates are responsible for safe vessel and launch operations, adherence to company and regulatory standards, and representing the company as a professional leader and example. Our Third Mates are licensed mariners with basic maritime experience and keen interest in gaining experience in challenging U.S. coastal and river waterways. Our Third Mates are team-oriented, self-disciplined, and hands-on workers. Third Mates work alongside Deckhands and Engineers completing watch standing, maintenance, sanitation, and logistics tasks. Third Mates operate and maintain our 35ft-50ft certificated passenger launches. Our Third Mates are people-oriented professionals and meticulous officers, in service to our guests and as examples to our crews.
Third mates enjoy comfortable onboard accommodations and chef prepared meals. American Cruise Lines operates our own bridge simulator, enabling rigorous recurrent training and development focused on critical decision-making and advanced piloting skills. American Cruise Lines recruits and retains the best professional mariners in the industry.
At American Cruise Lines, we are driven by our values-Optimism, Commitment, Patriotism, and Merit. These values shape our culture, our service, and our people, guiding us as we work together to Share America's Story on the Finest American Ships.
Responsibilities:
  • Ensure safety and security of passengers, crew, and vessel.
  • Safe launch operations in compliance with company and regulatory standards.
  • Conduct daily inspections of all vessel spaces.
  • Standing helm, security, gangway watches in Deckhand rotation.
  • Execution of vessel cleaning, sanitation, maintenance, and logistics.
  • Standing piloting watches under instruction of Captain or Mate.
  • Assisting Engine Room Attendant with machinery and system maintenance.
  • Support hotel and culinary teams in delivering five-star guest service.
  • Maintain logs, reports, and administrative records.
  • Maintain exemplary professional grooming and uniform appearance

Work Schedule:
  • Typical March through November Cruise Season: 6 weeks on / 3 weeks off or 4 weeks on / 4 weeks off. Additional work periods may be possible during winter months aboard the few vessels operating or repositioning year-round.
  • This is a full-time, exempt position.

Qualifications:
  • U.S. Coast Guard Master's license: Masters 100T.
  • Transportation Worker Identification Credential (TWIC).
  • Piloting and Boat Handling experience on coastal and river waterways: minimum 6months, desired 1yr.
  • Self-disciplined work habits and personal grooming.
  • Good communication skills and team skills.
  • Pre-employment drug test and continual participation in random testing.
  • Ability to perform the essential functions of the job with or without accommodation.

Essential Functions:
  • Ships experience forces from wind, waves, and currents, prompting them to exhibit six distinct motions known as ship motions. The six motions are surge, sway, heave, roll, pitch, and yaw. This position requires the ability to live and satisfactorily perform job duties in an environment that is subject to constant motion.
  • Ability to work around 12 hours per day.
  • Ability to assist in the event of an on-board emergency by quickly climbing up a ladder, opening, and passing through a 20" diameter hatch.
  • Ability to stand for your entire shift.
  • Ability to frequently lift up to 20 lbs. and occasionally lift up to 50 lbs.
  • Ability to frequently bend, squat and reach.
  • Ability to live and work on board a vessel for extended periods of time.
  • Ability to use stairs frequently.

Compensation and Benefits:
  • Competitive daily rate.
  • Health, dental, vision, and 401(k) with match.
  • Access to advanced simulator-based training.
  • Covered Expenses: American Cruise Lines provides travel, room and board, uniforms, and training

Applicant Acknowledgment
By proceeding to apply for the above position, I acknowledge that I have read and understand the description of the job position for which I am applying, I agree that it accurately reflects the essential functions of the position, and I represent that I can complete the essential functions of the position.
Equal Opportunity Employer
American Cruise Lines is committed to providing equal employment opportunities for all employees and applicants. ‎American Cruise Lines bases all employment decisions on business needs, job requirements, and individual ‎qualifications without regard to protected characteristics, including, but not limited to, race, color, religion, sex (including pregnancy), national origin and citizenship, age (40 and over), disability (including perceived disability), generic information, military service, or any other protected characteristic under applicable federal, state, or local law. ‎This policy applies to all aspects of employment and employment decisions, including, but not limited to, ‎hiring, selection, job assignment, training, compensation, promotion, discipline, termination, and access ‎to benefits.‎
*Job sites across the nation.
This job description is not intended to be a comprehensive list of the duties and responsibilities of the position and such duties and responsibilities may change without notice.

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