Mechanical Design Engineer

About the Team Droyd builds autonomous robotic systems that automate repetitive manual work in real environments. We design and manufacture our hardware in-house, which means iteration, fabrication, and execution all happen under one roof. Our robots operate in production settings, which means mechanical design has to be robust, manufacturable, and tightly integrated with electronics and control systems. Our mechanical team designs the structures, linkages, and assemblies that make the robots real — this work moves fast and lives on the shop floor as much as it does in CAD. About the Role As a Mechanical Design Engineer at Droyd, you will own mechanical subsystems from first sketch through working prototype. You will design, build, break, and iterate on real hardware. This is a hands-on role. You will spend time in CAD, but also at the printer, in the shop, and on the robot, working closely with electrical, software, and robotics teams to bring systems together. This role is based on-site in San Francisco, CA. In This Role, You'll Design & Engineering

• Own mechanical subsystem design from concept to prototype and iteration
• Design parts and assemblies in CAD, supported by hand calculations and FEA when needed
• Make decisions on materials, tolerances, and manufacturing methods
• Design for rapid prototyping methods including 3D printing and CNC machining Prototyping & Build
• Build prototypes yourself using 3D printers, shop tools, and CNC equipment
• Work closely with manufacturing to turn designs into physical hardware quickly Integration
• Integrate mechanical designs with motors, sensors, electronics, and actuators
• Collaborate with electrical, software, and robotics teams to bring systems together Work Environment & Schedule
• On-site in San Francisco, CA
• Full-time Compensation: $115K–$200K base salary, plus equity We're Looking For Candidates Who
• Have a strong portfolio showing complete systems taken from concept to physical prototype
• Have experience on hands-on engineering teams such as Formula SAE, aerospace clubs, or robotics teams
• Have internship or early-career experience on real hardware projects or at hardware startups
• Are proficient with modern CAD tools
• Understand manufacturing methods, tolerancing, and assembly workflows
• Are comfortable with hands-on fabrication and rapid iteration Nice to have:
• Experience with FEA, topology optimization, or generative design
• Exposure to electronics, controls, or mechatronic systems
• Interest in industrial or visual design alongside functional engineering About Droyd Droyd builds autonomous robotic systems that operate in real production environments. We design the hardware, develop the control stack, and generate the data that enables generalist robotics. If we do this right, robots stop being demos and start being infrastructure. Join us and help build the systems that make it real.

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