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Zipline

Robot type
Drone
Location
South San FranciscoCaliforniaUSA
Job type
Hardware
Posted
Aug 13, 2026
Salary
$160,000–$250,000 a year
Full-time

Senior / Staff Mechanical Engineer, Dropbox

Job description

Our customers include the world’s largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. The drone is only 15% of what we’ve built to enable seamless, reliable, global operations.

Our system strengthens supply chains, reduces congestion, and gives people time back. With more than 140 million commercial autonomous miles safely flown, Zipline is redefining access to healthcare, consumer products, and food across the globe.

We operate at a global scale and are looking for practical problem solvers who…

Job responsibilities

  • Own end-to-end mechanical scope for Dropbox assemblies: requirements, architecture, detailed CAD, drawings, specifications, BOMs, and production release.
  • Define success metrics for your systems (e.g., target field MTBF, service MTTR, production yield, or mean time between service actions) and drive design choices to meet them.
  • Translate customer workflows, hazard analyses, and droid interfaces into mechanical requirements and verified designs that minimize field interventions.
  • Lead trade studies and system-level decisions across safety, reliability, cycle time, environmental performance, serviceability, DFM, DFA, cost, and schedule; document chosen trade-offs and residual risks.
  • Create GD&T, datum strategy, alignment schemes, and tolerance stack-ups across complex electromechanical interfaces to ensure consistent assembly and alignment during high-volume builds.
  • Perform and apply first-principles analysis, hand calculations, kinematic analysis, fatigue/wear assessments, and FEA to set margins and validate designs against defined targets.
  • Integrate actuators, transmissions, bearings, sensors, PCBAs, connectors, harnesses, seals, and embedded controls into reliable assemblies; define and verify mechanical/electrical interfaces.
  • Partner closely with Electrical, Embedded Software, Systems, Test, Reliability, Manufacturing, Operations, and Safety to develop validation plans covering functional, lifetime, environmental, abuse, and fault-condition…
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