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Fathom Robotics

Marine Mechanic - Gas/Diesel Small Craft

oxnard, CA

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Job description

About Fathom Robotics

Fathom Robotics provides operations, maintenance, training, and applied engineering services for uncrewed maritime systems supporting U.S. Government and commercial defense programs. We have multiple active projects across a variety of government and commercial clients and are actively fielding systems in operational environments.

Role Overview:

Fathom Robotics is hiring a USV Marine Diesel Mechanic/Technician to maintain and troubleshoot uncrewed surface vessels supporting active government and commercial defense programs in the Oxnard, CA area. You will keep vehicles field-ready: engines, hulls, propulsion, and the electromechanical systems that keep them running. You will work in the shop between test events and on the water during them, launching, recovering, and troubleshooting vehicles in real time alongside the operations team.

Location: Oxnard, California (shop-based, with regular field work in and around Port Hueneme and on-water test areas)

Work Type: Full-Time

Program Conditions:

Work is based out of a government facilities Port Hueneme and nearby on-water test locations. Field events involve boat operations and outdoor environments in all weather conditions typical to the Southern California coast. The position follows a standard full-time schedule with the expectation that test milestones and demonstration events will require additional or adjusted availability, including early mornings and occasional weekend work tied to vessel operations.

Responsibilities:

Perform preventive and corrective maintenance on USV propulsion, hull, and mechanical systems

Troubleshoot mechanical, hydraulic, and electrical faults on vehicles in the shop and in the field

Conduct pre-mission and post-mission inspections and maintenance checks

Support vehicle launch and recovery operations from small boats and shore-based platforms

Diagnose and resolve issues in real time during on-water test events and customer demonstrations

Maintain parts inventory, tooling, and shop consumables needed to keep vehicles mission-ready

Document maintenance actions, discrepancies, and repairs in test and maintenance logs

Support packaging, staging, and transport of vehicles and support equipment to test sites

Requirements

Required Qualifications:

High school diploma or equivalent; technical or trade school training, or an Associate's degree in a relevant field, preferred

3 or more years of hands-on mechanical maintenance experience, in marine, automotive, or a related field

Working knowledge of small boat engines, hydraulic systems, and basic electrical troubleshooting

Comfortable working on and around the water, including boat operations and outdoor field conditions

Proficiency with common hand tools and power tools

Able to lift 50 pounds and perform physical work in a shop and marine field environment

Valid driver's license

US person status required (defense program context)

Must be able to pass a background check and be eligible to obtain a SECRET clearance

Preferred Qualifications:

USCG license or other maritime credentials

Prior experience maintaining unmanned or autonomous surface vessels

Forklift operator

Small boat operation experience

Welding, fiberglass, or fabrication skills

Outboard or diesel engine certifications

Prior experience supporting Navy or defense contractor field operations

Benefits

We offer a flexible ICHRA (Individual Coverage Health Reimbursement Arrangement) plan, giving employees the freedom to choose their own health coverage through an online shopping platform. Each employee receives a $750 stipend to put toward their plan, and the funds can also be used toward other eligible health expenses. This approach lets you tailor your coverage to fit your individual needs rather than a one-size-fits-all option.

Compensation: $95,000 - $155,000, commensurate with experience.

Worksite address

oxnard, CA, 93033, US

Who can apply

Review the original listing for work authorization, qualifications and employer requirements.

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