Senior Mechanical Engineer

We are looking for a Senior Mechanical Engineer with 5+ years of experience to serve as a Responsible Engineer for critical mechanical subsystems on our autonomous underwater vehicle platform. You'll join a fast-moving, SpaceX-inspired team building attritable UUVs from the ground up for the U.S. Navy. We need someone who can own their subsystem end-to-end — from concept through design, analysis, prototyping, field testing, and production — and get hardware in the water within months, not years. This is a role for a self-starting builder who thrives on speed, makes smart trade-offs to hit the 80% fast, and challenges requirements using first-principles thinking.

What will you be doing?

- Own one of five mechanical subsystems (Hull & Hydrodynamics, Structures & Integration, Mechanisms & Actuation, Battery & Energy Storage, or Propulsion) as the Responsible Engineer through its entire lifecycle

- Design in CAD (NX preferred), perform FEA/CFD analysis (NX Nastran, Ansys Fluent, or Siemens Star-CCM+), and iterate rapidly between design, analysis, and test without relying on dedicated analysts

- Prototype, assemble, and validate hardware on the bench and in the water — including field testing and sea trials

- Integrate your subsystem with electrical, firmware, and software counterparts, managing cross-disciplinary interfaces without systems engineers as intermediaries

- Work directly with manufacturing partners and suppliers, validating components with first-principles physics rather than blindly trusting supplier data, and driving your subsystem to mass production readiness