About the Role
Requirements
Overview:
As a Vessel Mate at Coast Line Transfers, LLC, you are the cornerstone of our maritime operations. With overarching responsibility for the safety and efficiency of crew, vessel, cargo, and transfer operations, you embody leadership, expertise, and a commitment to excellence.
Essential Job Functions:
Operational Leadership: Work as directed by Captain, Management or client to uphold the highest standards of maritime operations.
Navigation and Watchkeeping: Stand wheelhouse watch on assigned vessels, ensuring safe and efficient navigation.
Regulatory Compliance: Adhere to all customer, state, and federal regulatory requirements to maintain operational integrity.
Safety Management: Execute the Safety Management System (SMS) aboard your vessel, including preparation and facilitation of safety meetings and drills.
Risk Assessment: Conduct Job Safety Analysis (JSA) and Activity Hazard Analysis (AHA) to mitigate potential risks.
Crew Coordination: Delegate daily tasks to crew members to ensure operational readiness and efficiency.
Documentation: Accurately complete reports and forms as required to maintain comprehensive operational records.
Training and Development: Oversee the training and mentoring of crew members, fostering a culture of learning and continuous improvement.
Safety Culture: Follow company and worksite safety policies/procedures, committing to an "incident and injury-free" work environment.
Supervisory Responsibilities:
Direct supervision of all crew members, executing responsibilities in line with organizational policies and laws. This includes training, work assignment, performance appraisal, disciplinary actions, and resolving issues.
Qualifications:
Experience: 4 + years total experience, with at least 1 year in a Mate role.
Education: High School diploma or equivalent.
Communication: Fluent in verbal and written English language.
Work Schedule: Ability to work rotational 6 or 12-hour watches and a 14 days on, 14 days off schedule as necessary.
Technical Proficiency: Strong knowledge of industry-related software.
Required Certifications or Licenses:
Merchant Mariners Credentials (MMC)
100-ton near coastal mate license at minimum
Transportation Worker Identification Credential (TWIC)
STCW - Basic Safety Training (BST) and Bridge Resource Management (BRM)
CPR/AED First Aid Certification
Valid Driver’s license
Physical Requirements:
Tolerate rough seas, vibrations, heat, harsh weather conditions, confined spaces, and high noise levels.
Frequently push, pull, bend, stand for long periods, and climb ladders with a capacity limit of 300 lbs.
Lift or carry equipment, supplies, and parts up to 50 lbs. unassisted.
Additional Duties:
This Job Description does not encompass all duties, activities, functions, and responsibilities, which may change at any time according to the discretion of Coast Line Transfers, LLC, with or without notice.
Equal Employment Opportunity:
Coast Line Transfers, LLC is an equal opportunity employer, prohibiting unlawful discrimination, hostility, harassment, and retaliation. Reasonable accommodations may be made for individuals with disabilities to perform essential functions. We offer competitive benefit and compensation packages and maintain a Drug-Free Workplace. Pre-employment drug testing is required.
About the Company
Coast Line Transfers, LLC (CLT Marine) is a versatile marine services provider operating along the U.S. East Coast, with a focus on delivering safe, efficient, and locally driven logistics solutions. Founded in 2019 as a spin-off of Boston Line & Service (BLS)—a trusted marine service company established in 1933—CLT Marine builds on decades of experience in the Port of Boston and beyond. We combine that legacy with modern innovation to support a wide range of marine industries, from offshore construction and survey work to cargo transport, film production, and government operations.
While our roots in offshore wind are strong—marked by our role in the first crew transfer for the Vineyard Wind project in 2022—our services today extend well beyond that sector. We’ve completed thousands of successful personnel transfers, marine logistics missions, and survey support operations for major contractors, government agencies, and private clients across the marine industry.
CLT Marine’s strength lies in its adaptability and commitment to local execution. Whether retrofitting vessels for specialized scopes, supporting environmental surveys with UAVs, or providing critical port logistics, we offer practical, compliant solutions that align with project goals and regulatory standards. Our vessels are USCG-inspected, CMID-audited, and vetted by leading developers and contractors across the U.S., reflecting our commitment to operational excellence.
As we continue to grow our fleet and expand our onshore and offshore capabilities, CLT Marine remains dedicated to delivering high-quality service through strong partnerships, safety-first operations, and a deep understanding of the maritime landscape. From New England to the Mid-Atlantic, we are proud to serve as a trusted partner in marine logistics and support services.