Third Assistant Engineer - Seaward Services - USNS Guam

Hornblower Corp; Northern (KY); Hybrid; USD 90,000 - 130,000; Full time

Job summary

The Third Assistant Engineer at Hornblower Corp serves onboard a vessel, maintaining the engineering plant and supervising crew. This role requires USCG licensure, STCW certs, and the ability to work 56 days on/off in a marine environment.

Responsibilities include preventative maintenance, logs, safety enforcement, and training of junior engineers while adhering to USCG and IMO-HSC standards. Five years’ experience preferred.

Qualifications

• USCG license as Third Assistant Engineer Unlimited HP.
• STCW 95 certificate and TWIC.
• US passport valid for travel.
• Bachelor’s degree preferred from maritime academy or related field.
• Strong mechanical, electrical, hydraulic and electrical skills.

Responsibilities

• Maintain and operate vessel systems per USCG and other regs.
• Understudy Chief Engineer and perform duties in absence.
• Conduct daily/weekly/monthly preventative maintenance and logs.
• Train new engineers and supervise engineering crew.
• Perform emergency repairs and ensure safe engine room.

Skills

Mechanical

Electrical

Hydraulic

Engineering management

Communication

Analytical thinking

Team leadership

Safety compliance

Education

High School Diploma or equivalent

Maritime academy degree preferred

Tools

MS Office

Job description

Third Assistant Engineer - Seaward Services - USNS Guam

United States

Job Description

Posted Tuesday, August 25, 2026 at 7:00 AM

Hornblower Group is a global leader in experience and transportation. Spanning a 100-year history, Hornblower Group’s portfolio of international offerings includes water- and land-based experiences and ferry and transportation services. City Experiences, Hornblower Group’s premier experience division, offers dining and sightseeing cruises and walking and food tours through the City Cruises, Walks, and Devour brands. City Ferry, part of Hornblower Group’s Ferry and Transportation Division, is the largest private operator of high-speed passenger and vehicle ferries in the United States, carrying more than 10 million passengers annually and operating services including NYC Ferry, Puerto Rico Ferry, and other regional ferry systems . Hornblower Group’s subsidiaries include Hornblower Marine, which provides vessel outhaul and maintenance services at Bridgeport Boatworks in Bridgeport, Connecticut, and Seaward Services, Inc., a full-service shipping, waterfrontlogisticsand management company that specializes in the operation and maintenance of government and commercial vessels. Additionally, Anchor Operating System, LLC, a Hornblower Group subsidiary and independent entity, provides reservation,ticketingand website integration services for clients in the transportation,tourismand entertainment industries. Today, Hornblower Group’s global portfolio covers over 10 countries, over 50 U.S. cities and serves more than 20 million guests annually. Headquartered in Orlando, Florida, Hornblower Group’sadditionalcorporate officesresidein San Francisco, California; Boston, Massachusetts; Chicago, Illinois; London, United Kingdom; New York, New York; Dublin, Ireland; and across Ontario, Canada. For more information, visithornblowercorp.com.

Position Summary:

The Third Assistant Engineer is responsible for upkeep and maintenance of the vessels’ engineering plant as well as supervision of engineering department members.

Duties and Responsibilities:

• Maintenance and operation of vessel systems within legal requirements of USCG, FCC and other pertinent regulatory agencies. Participate in the safe operation of the vessel as required within USCG regulations.
• Report any problems to the Chief Engineer immediately. Understudy the Chief Engineer and be able to act in his absence. Perform all duties and responsibilities normally expected of a vessel’s Third Assistant Engineer. Operate the vessel appropriate to the parameters of the IMO-HSC.
• Perform daily/weekly/monthly preventative maintenance as per maintenance schedule. Properly stock and inventory the vessel’s spare parts. Properly process and pump sewage and oily water tanks when needed. Assist shore technicians as needed. Maintain daily logs. Make emergency repairs when needed.
• Maintain a safe and clean engine room. Train new engineers as required. Ensure that performance and behavior of engineers meets legal and professional requirements.
• Conduct drills with Marine and Non-marine crew as directed by the Master or with engineering crew.
• The majority of work is performed in a Marine environment in both indoor and outdoor conditions with exposure to various temperatures and weather conditions, along with moderate to loud noise levels.
• The Marine operation is subject to varying levels of motion, movement, and vibration.
• The Third Assistant Engineer both lives and works onboard a vessel, on a rotational basis, generally for 56 Days on – 56 Days off (+).
• Other job duties as assigned

Requirements & Qualifications:

• High School Diploma or Equivalent required.
• Bachelor’s degree preferred from maritime academy, or in related field, or equivalent experience.
• Third Assistant Engineer Unlimited Horsepower USCG License.
• STCW 95 Certificate
• A valid Transportation Workers Identification Credential (TWIC)
• Have and maintain a valid U.S. Passport.
• Computer literacy in Microsoft office software.
• Ability to use independent judgment and discretion to develop and execute innovative solutions to engineering problems.
• Possess and demonstrate superior mechanical, electrical, hydraulic, electronic, and other skills exercised in engineering management of a large motor vessel.
• Demonstrate appropriate management and administrative skills.
• Utilize proven training and mentoring techniques.
• Possess a thorough understanding of all-pertinent regulations and laws.
• Communicate clearly and effectively both orally and in writing.
• Logically and independently plan, organize, and complete work assignments.
• Demonstrate well-developed inter-personal skills.
• Set and achieve high standards of performance.
• Demonstrate initiative and be able to make progress on multiple assignments under time constraints.
• Possess excellent analytical, problem-solving, critical thinking and decision-making skills
• Five years’ experience as Marine Engineer demonstrating the ability to handle increasing levels of responsibility.
• High Speed passenger vessel experience preferred.
• Water Jet Experience preferred.
• Specific training and experience in management of major on-board systems by type and brand.
• Excellent career record in the marine industry.
• Maintain compliance with USCG physical standards.
• Ability to stand and walk on nearly a constant basis; ability to work long hours each day.
• Ability to bend, rotate and reach frequently.
• Ability to carry, push/pull and/or lift materials weighing upwards of 50 lbs.
• Ascending/descending stairs or ladders safely.
• Ability to manipulate/handle/grip materials required to perform job.
• Ability to maneuver through/in/around small and/or confined areas within the vessel.
• Must be able to maintain both static and dynamic standing balance to complete various duties associated with job.
• Must be capable of performing emergency duties as listed in the vessel’s station bill.
• Successful completion of in-house IMO-HSC Type Rating Program.
• Be able to acquire and maintain a Secret Clearance.
• Accept Immunizations as required by Contract due to area of operation and/or nature of work.
• Participate in Seawards Services, Inc. (SSI), Military Sealift Command (MSC), Safety, Seamanship and other training or meetings as required.

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The RESPECT Service System embodies our mission, vision, values and operating principles. By creating a company culture that puts RESPECT at its core, we believe it will drive us to achieve our goal of becoming a Global Experiences and Transportation Leader.

EEO / Disabled / Protected Veteran Employer. Hornblower is proud to be an Equal Employment Opportunity employer. We offer equal employment opportunities to all qualified individuals and prohibit discrimination and/or harassment of any type, including but not limited to discrimination and or harassment based upon race, religion, religious creed, color, national origin, ancestry, citizenship, sex, sexual orientation, gender, gender identity, gender expression, age, pregnancy or relation medical conditions, childbirth, breastfeeding, parental status, veteran and/or military status, disability (physical or mental), medical condition, genetic information or characteristics, political affiliation, domestic violence survivor status, marital status, or other characteristics prohibited by federal, state, or local law. Additionally, as a federal, state, and local contractor, Hornblower complies with government regulations, including affirmative action responsibilities for qualified individuals, where and as they apply. The company also participates in the E-Verify program in certain locations.