Mechanical Engineer

1X is a Palo Alto-based AI and robotics company building general-purpose humanoid robots, led by its consumer home robot NEO.

Palo Alto, United States
About 1X

1X develops embodied-AI humanoid robots designed to learn from real-world deployment and perform household tasks. Its current flagship product is NEO, a home robot offered through an early-access ordering flow.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will own mechanical test-fixture development from concept through CAD, fabrication, assembly, test-cell installation, and iteration. You will create complete design packages, work with fabrication teams and vendors, resolve manufacturability issues, and improve fixtures using lab test feedback.

Requirements

  • Bachelor’s degree in Mechanical Engineering or a closely related engineering discipline
  • 2–4 years of experience designing mechanical test fixtures, assembly fixtures, tooling, or similar custom hardware
  • Strong 3D CAD and 2D engineering drawing skills
  • Experience designing parts and assemblies for machining, fabrication, or rapid prototyping
  • Experience working with internal machine shops or external manufacturing vendors
  • Practical understanding of mechanical testing, load paths, fixturing, interfaces, and safe test setup

Responsibilities

  • Design and deliver production-ready mechanical test fixtures for validation and reliability testing
  • Develop robust fixture designs with required strength, stiffness, accuracy, repeatability, and safety
  • Create complete fixture design packages including 3D CAD, 2D drawings, materials, tolerances, interfaces, and assembly requirements
  • Coordinate manufacturing handoff with internal fabrication teams and external vendors
  • Assemble, install, test, and iterate fixtures in the lab

Benefits

  • Comprehensive medical, dental, and vision coverage
  • Paid time off, company holidays, and parental leave
  • 401(k) plan with company match
  • Flexible Spending Account and Health Savings Account options
  • Commuter benefits
  • Short-term and long-term disability insurance
  • Life insurance
  • Employee Assistance Program
  • Onsite snacks and catered lunches
Mechanical Engineer at 1X | JobStash