Senior Product Design Engineer

About the role

Rivet is seeking a Senior Product Design Engineer with a mechanical engineering background to lead mechanical concept development for next‑generation AR devices used in industrial and frontline applications. The position is fully on‑site in the San Francisco Bay Area.

Key responsibilities

• Support proof‑of‑concepts and specification development.
• Design fixtures and experiments to validate design concepts.
• Lead mechanical design for assigned product sub‑systems.
• Resolve day‑to‑day production issues with hands‑on solutions.
• Design, build and deliver prototypes to verify design intent.
• Perform thorough troubleshooting, including teardown, reassembly, and testing.
• Travel 15–20% domestically and internationally to support supplier testing and EVT/DVT builds.

Required profile

• 8+ years of product development experience.
• Mechanical engineering background.
• Must be authorized to work in the U.S.

Required skills

• Proficiency in 3D CAD, preferably PTC Creo, with strong top‑down design capability.
• Deep understanding of GD&T; experience with plastics, injection molding, sheet metal, and CNC processes.
• Skilled in creating 2D drawings with proper tolerancing.
• Experience using thermal and/or FEA simulation tools.
• Familiarity with 3D printing.
• Hands‑on experience with design, fabrication, and assembly of prototype sub‑systems.
• Strong vendor management skills for mechanical and fixture‑related deliverables.

What we offer

• Base salary with potential equity and other compensation.
• Competitive benefits package, including unlimited PTO.