Mechanical Engineer
Humble Robotics
San Francisco, CA, USA
Key Responsibilities
Design, prototype, and validate mechanical systems and components for autonomous trucking platforms
Create detailed CAD models and engineering drawings for fabrication and assembly
Work hands-on in the shop to build, modify, and test hardware
Collaborate cross-functionally with electrical, software, and systems engineers
Support integration of sensors, compute hardware, and vehicle subsystems
Conduct root cause analysis and implement design improvements
Develop and execute test plans (bench and vehicle-level)
Manage parts sourcing, fabrication vendors, and assembly processes
Contribute to rapid iteration cycles and field deployments
Required Qualifications
Bachelor’s degree in Mechanical Engineering or related engineering discipline
2+ years of relevant industry or internship experience
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Strong hands-on experience with shop tools, including:
Manual mill and lathe
Laser cutter
Power tools (drills, grinders, etc.)
Proficiency in CAD (SolidWorks preferred)
- Familiarity with GD&T and tolerance stack-ups
Experience designing for manufacturability and assembly (DFM/DFA)
Ability to build and test prototypes independently
Strong problem-solving skills and attention to detail
Comfortable working in a fast-paced, ambiguous startup environment
- Familiarity with sheet metal, machining, and rapid prototyping methods (3D printing, CNC, etc.)
Preferred Qualifications
Experience working on large vehicles, or autonomous vehicles
Basic understanding of electrical systems and sensor integration
Experience with PLM/PDM systems
Familiarity with FEA or other simulation tools
Experience supporting field testing or deployments
Startup or small-team experience