Senior Marine Propulsion Engineer for Autonomous Vessels

Greywright Inc; Boston (MA); On-site; USD 120,000 - 210,000; Full time

Benefits offered by this job

Meaningful equity

Great health, dental, and vision

Unlimited vacation

Job summary

Greywright Inc. is seeking a Senior Mechanical Engineer to lead propulsion systems for high-performance autonomous vessels. You will own diesel engines, drivetrains, and supporting systems, from selection to testing and fielding, with no crew aboard.

You will mentor engineers, set design standards, and work with OEMs to ensure reliable operation and long endurance. Willingness to travel up to 50% is required; U.S. person status is preferred for ITAR considerations.

Qualifications

• B.S. in Mechanical, Marine, or Ocean Engineering or related field.
• 10+ years of mechanical engineering experience with marine propulsion.
• Deep experience with marine diesel engines: selection, installation, integration, and troubleshooting.
• Strong knowledge of drivetrains and propulsors: gearboxes, shafting, propellers, waterjets.
• Experience with engine electronic controls and monitoring (e.g., J1939, NMEA 2000).
• Proficiency with 3D CAD and engineering analysis.
• Willingness to travel up to 50% of the time.
• ITAR/EAR data access; U.S. person status per 22 CFR 120.62.
• Nice to have PE license or marine engineering license.
• Experience with propulsion for uncrewed or autonomous vessels.

Responsibilities

• Lead integration and improvement of propulsion systems including engines, gearboxes, shafting, propellers, waterjets.
• Size and match engines and propulsors to hull performance and endurance targets.
• Design supporting systems: fuel, cooling, exhaust, air intake, lubrication, and mounting.
• Integrate engines with electronic control, monitoring, and autonomy for uncrewed operation.
• Design for reliability, maintainability, and long-endurance operation without onboard crew.
• Lead shock, vibration, and noise analysis; coordinate with naval architecture on weight/CG/signature.
• Collaborate with engine and drivetrain OEMs on specs and support.
• Plan and lead propulsion testing from dyno to sea trials; drive design changes from data.
• Mentor engineers and set design standards for the team.

Education

B.S. in Mechanical, Marine, or Ocean Engineering

Tools

SolidWorks

NX

Creo

Job description

Greywright Inc. is seeking a Senior Mechanical Engineer to lead propulsion systems for high-performance autonomous vessels. You will own diesel engines, drivetrains, and supporting systems, from selection to testing and fielding, with no crew aboard.

You will mentor engineers, set design standards, and work with OEMs to ensure reliable operation and long endurance. Willingness to travel up to 50% is required; U.S. person status is preferred for ITAR considerations.