# Mechanical Design Engineer > Raydar · San Francisco, United States · Full-time · Posted 2026-10-15 **Salary:** USD 150,000–250,000 **Workplace:** on_site ## Description About the company Our client is a robotics company. The role Raydar is recruiting for this role on behalf of our client. Take ownership of mechanical subsystems for autonomous machines, carrying each from early concept to a functioning prototype. The job mixes design work at the computer with hands-on building and testing in a workshop. You will partner with colleagues across electrical, software and robotics disciplines to bring complete systems together. What you'll do \- Lead the design of mechanical subsystems from the first sketches through repeated prototype cycles, selecting materials, tolerances and production methods. \- Create part and assembly models in CAD, supported by manual calculations and finite element analysis, with an eye to quick turnaround prototyping. \- Fabricate your own test hardware in the workshop with additive and subtractive machines and hand tools. \- Fit mechanical designs together with drive components, sensing, controls hardware and moving parts. \- Work alongside electrical, software and robotics engineers to combine everything into complete systems ready for field use. ## Requirements What we're looking for \- 2 to 5 years of experience in mechanical design. \- A record of taking working machines from concept through to functioning hardware, such as mechanisms, joints, drivetrains or grippers. \- Experience delivering hardware products within a startup or a small, hands-on team. \- BS in Mechanical Engineering or a related field. \- Proficiency with a mainstream CAD package such as SolidWorks or Fusion 360. \- Practical fabrication skills across 3D printing, CNC work and general workshop equipment. \- A strong ownership mindset: you drive subsystems from start to finish without needing direction. \- Authorization to work in the US. Bonus points \- Background in mechatronic systems that combine motors, sensors or actuators. \- Familiarity with FEA or topology optimization. ## Benefits Compensation and benefits \- Base salary: USD 150,000 to 250,000 per year \- Equity \- Health insurance \- Retirement plan \- Relocation assistance Location and work model \- San Francisco, CA, United States \- On-site, 5 days per week in office \- Full-time ## Apply [Apply at Raydar](https://apply.workable.com/raydar/j/EA6F4B321E/apply) --- Powered by [Workable](https://www.workable.com)