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ThayerMahan

Deckhand/Engineer

Groton, Connecticut

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hirly's read of this role

Seniority
Mid level
Country
US
Work mode
On-site / unstated
First seen by hirly
2 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

Join our dynamic and innovative team at ThayerMahan, a world leader in autonomous maritime surveillance and monitoring. Headquartered in Groton, CT, we are a fast-growing, mission-focused, innovative technology company in the Intelligence, Surveillance, and Reconnaissance (ISR) and Artificial Intelligence (AI) space. At ThayerMahan we pride ourselves on fostering a culture of excellence, collaboration, and continuous growth.

Deckhand / Engineer

ThayerMahan is a growing maritime technology company located in Groton, CT. In support of its various missions ThayerMahan operates multiple vessels with various roles within the maritime technology and offshore services area. We are looking for experienced and safe candidates to serve aboard our vessels as Deckhand / Engineers. Ideal candidate will have experience aboard OSV’s, research vessels, or small passenger vessels and experience working with diesel engines and vessel systems.

  • Experience Requirements
  • 1-2 years’ experience sailing as AB, OS or QMED
  • Experience sailing as Deckhand or Engineer on board CTVs, OSVs, passenger ferries, charter vessels or similar
  • You are good at working as a team
  • Focused on providing excellent customer service and relationship building
  • Experience handling lines and maintaining vessels
  • You take and give direction well
  • You can prioritize, be persistent and have a high work capacity
  • Desire to advance your career in the Offshore Maritime industry
  • EDUCATION
  • High school education, preferably further maritime or technical education.
  • CREDENTIALS
  • Min. Requirements:

Able to obtain TWIC and USCG MMC

  • Preferred:
  • AB OSV or greater
  • STCW Basic Training
  • QMED
  • Rigger and Crane Operator training
  • COMPETENCE REQUIREMENTS
  • Experience working with and repairing diesel engines, electrical equipment, pumps and plumbing systems.
  • Skilled in vessel operations and seamanship
  • Excellent verbal and written communication
  • Desire to learn and improve
  • Knowledge in technical systems and maintenance
  • Operational HSSE-Q knowledge. Ability to apply risk management in daily operation.
  • RESPONSIBILITIES
  • Shall be able to stand lookout watch
  • Shall be able to assist Captain/Mate in operating the vessel
  • Responsible to perform deck and engineering maintenance and house keeping
  • Follow procedures in accordance with Company’s SMS
  • Start and secure main and auxiliary propulsion and generator engines.
  • Safely operate vessel deck gear including winches, cranes, A-Frames
  • Report all incidents, near misses or safety violations to Captain
  • WORK TASKS – Vessel Operations
  • Operate cranes, winches, and other vessel equipment
  • Properly stow and secure equipment and/or cargo according to master’s instructions
  • Check condition of any deck equipment before it is used
  • Safely start and secure main and auxiliary machinery
  • Safely transfer fuel, ballast, and liquid cargo
  • Effectively communicate with crew and client personnel
  • Maintain vessel is a sanitary condition
  • Perform maintenance in accordance with vessel’s PMS
  • Support crew to reduce fatigue
  • Use heaving and mooring lines to safely tie up and let go vessel.
  • Train under Mate/Captain in vessel navigation and operation
  • WORK TASKS – Maintenance
  • Safely complete preventative maintenance and underway repairs on main engines, pumps, motors, plumbing, deck machinery and auxiliary equipment.
  • Keep engine room and below deck spaces clean and in good order
  • Execute basic maintenance of the systems described in the Preventative Maintenance System
  • Work with crew and shoreside personnel to troubleshoot issues with vessel systems.

Log all maintenance and repairs in an electronic maintenance tracking program.

Maintain inventory of engineering critical spares and consumables

Pre-Employment: Must pass a pre-employment drug screen and background check.

What we Offer:

Competitive salary, comprehensive total rewards package (medical, dental, vision, 401K with employer match), and other great benefits. Opportunity to continue to develop your career at a growing organization.

If you meet the requirements and are ready to make waves with us, apply now!

ThayerMahan is an Equal Opportunity Employer and doesn’t discriminate on the basis of race, color, sex, national origin, sexual orientation, gender identity, religion, age, disability, genetic information, protected veteran status, or other non-merit factor.

Original posting on ThayerMahan's site ↗

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