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Bulwark Dynamics

Autonomous landing craft for contested logistics

Fabrication Technician

Welding & Metal FabricationUpdated on Nov 12
Full-timeSan Francisco, CA, USA

About the Job

Requirements

  • Proven hands-on experience in MIG/TIG welding and metal fabrication.
  • Practical experience with fiberglass repair or composite work.
  • Ability to operate manual machining equipment and common fabrication tools.
  • Ability to interpret basic technical drawings, sketches, and measurements.
  • Background in fabrication, automotive or marine repair, body shops, or similar hands-on trades.
  • Ability to regularly lift and handle 40–60 lbs.
  • Ability to meet applicable U.S. export-control eligibility requirements, which may include qualifying as a U.S. person.

Responsibilities

  • Perform MIG/TIG welding and metal fabrication of structural brackets, mounts, and vessel components.
  • Carry out fiberglass repairs and composite layup on hulls and structural assemblies.
  • Operate manual machine shop equipment, including lathes, mills, drill presses, band saws, and grinders.
  • Interpret technical drawings, sketches, and sample parts to fabricate components to specifications.
  • Support engineers with measurements, test fit-ups, prototype modifications, and rapid design iterations.
  • Repair damaged structural components following field testing and sea trials.
  • Assist with vessel preparation for water testing and maintain shop tools, equipment, and a safe working environment.

Desired Qualifications

  • Experience in marine, automotive collision repair, aerospace, or industrial fabrication.
  • Familiarity with CNC machining or CAD-to-part manufacturing.
  • Experience working with hydraulic systems.
  • Background in startup environments, R&D labs, or rapid prototyping operations.

About the Company

Bulwark Dynamics

Autonomous landing craft for contested logistics

Bulwark Dynamics designs autonomous landing craft for contested logistics. Its Caravel unmanned surface vessels can transit, beach, unload cargo, and retract without ports or cranes, including GPS-denied environments, to resupply distributed forces over unimproved shorelines. The line includes a 15-ft prototype and 35-ft and 55-ft variants for one- and two-TEU cargo, with shared components to simplify production, and it is pursuing serial manufacturing through a partnership with Japan’s Onomichi Dockyard after raising seed funding. Its goal is to enable rapid, scalable, unmanned cargo-landing capability to support distributed operations in contested environments.

Company size
1-10
Company stage
Seed
Total funding
$6.8M
Headquarters
Menlo Park, CA
Founded
2025

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