# Mechanical Engineer

- **Company:** Raydar
- **Location:** San Francisco, CA, US (Not specified)
- **Salary:** Salary not disclosed
- **Contract:** Full-time
- **Posted:** 2026-11-11

## Job description

About the company
Our client is a robotics company.
The role
Raydar is recruiting for this role on behalf of our client. Own a mechanical assembly from first concept through analysis, fabrication, assembly and testing on real hardware. Work hands-on across the full build and test cycle, turning test results into improved parts quickly.
What you'll do
- Take a subassembly and its parts from initial concept through analysis, fabrication, assembly and validation.
- Carry out supporting engineering analysis, including hand calculations, tolerance stack-ups, material and fastener selection, and basic finite element analysis.
- Model parts in 3D CAD software and prepare them for machining, sheet metal and welding.
- Build, assemble and test your own parts on fixtures and on the complete machine.
- Revise parts quickly based on test results, often within the same week.
- Collaborate with the wider engineering team on whichever priorities matter most at the time.
Requirements
What we're looking for
- A mechanical engineering degree.
- Experience designing actuated mechanisms, such as linear actuators, motors and drives, that move accurately and repeatably.
- Strong first-principles judgment, able to catch errors in numbers or direction and back decisions with hand calculations or finite element analysis.
- A track record of carrying a mechanical system through design, build and test in a quick-paced hardware environment.
- Experience designing steel and aluminum parts for machining, sheet metal and welding.
- Able to work on-site in San Francisco five days a week, and six days during crunch periods.
Bonus points
- Experience with electromechanical mechanisms in robotics, aerospace or automotive settings.
- Experience integrating load cells or force sensors into a mechanism.
- Background building complete assemblies in a small group working within tight resource limits.
Benefits
Compensation and benefits
- Base salary: USD 125K to 170K per year
- Equity
- Relocation assistance
Location and work model
- San Francisco, CA, United States
- On-site, five days a week (six days during crunch periods)
- Full-time

[Apply on the company site](https://www.joonow.com/en/job/mechanical-engineer-san-francisco-ca-m2h9xzk42t/apply)