Zipline
Mechanical Design Engineer - Droid SMI
$135K–$225K
South San Francisco, California, USA +1 · Full-time · Posted Aug 13, 2026
- Location
- South San Francisco, California, USA
South San Francisco, California, United States - Experience
- 4+ years of hands-on experience delivering physical products to production.
- Education
- BS or MS in Mechanical Engineering, Product Design Engineering, or a related field.
About the job
Own mechanical droid subsystems for Zipline’s next-generation delivery container, from requirements and design through prototyping, validation, tooling, and production ramp.
What you'll do
- Develop subsystem requirements, architectures, CAD designs, prototypes, and validation plans in collaboration with industrial design and cross-functional engineering teams.
- Design manufacturing and production-support tooling, including test fixtures, assembly aids, and inspection tools; drive parts, assemblies, and BOMs through release and change management.
- Support DFM, supplier qualification, tooling resolution, and production ramps, including occasional international travel.
What they ask for
- BS or MS in Mechanical Engineering, Product Design Engineering, or a related field.
- 4+ years of hands-on experience delivering physical products to production.
- End-to-end ownership of at least one complex subassembly or full product, from requirements through production.
- CAD fluency and strong fundamentals in load estimation, hand calculations, tolerance analysis, FEA, GD&T, and CAD practices.
Nice to have
- Experience with consumer-visible hardware and industrial design; test fixtures or production ramp experience.
- Familiarity with electronics integration, high-cycle reliability, or NPI in drones, robotics, automotive, medical devices, or consumer electronics.
Pay
$135,000 - $225,000 USD base salary
Tools
Siemens NX, Creo, SolidWorks, CATIA, FEA, GD&T, injection molding, CNC machining
Model-written summary · the original posting is authoritative