Senior Mechanical Engineer

Grafton Sciences•San Francisco, CA

24d

About The Position

We’re seeking a Senior Mechanical Engineer to design the mechanical backbone of advanced robotic and automation systems. You’ll own precision assemblies, mechanisms, tooling, fixtures, and end-effectors that enable autonomous manipulation, fabrication, and experimental workflows. This role spans concept development, CAD, DFM, rapid prototyping, and close collaboration across robotics, electrical, and manufacturing teams. You should be motivated by building real hardware quickly and making it work reliably in production-like environments.

Requirements

Strong experience designing mechanical systems end-to-end: CAD modeling, mechanisms, tolerancing, materials, and DFM.
Demonstrated ability to take designs from concept to prototype to reliable operation in robotics, automation, or hardware environments.
Comfort working hands-on with fabrication, machining, rapid prototyping, and testing.
Ability to operate in fast-moving, interdisciplinary settings and own mechanical deliverables with high rigor and speed.

Responsibilities

Design, prototype, and iterate mechanical assemblies, fixtures, and robotic tooling with high precision and manufacturability.
Develop mechanisms, joints, frames, and end-effectors that support complex manipulation and automated workflows.
Work closely with fabrication, machining, and suppliers to ensure high-quality parts and fast turnaround.
Collaborate with robotics, controls, electrical, and automation engineers to integrate full electromechanical systems.