About 1X
We’re an AI and robotics company based in Palo Alto, California, on a mission to build a truly abundant society through general-purpose robots capable of performing any kind of work autonomously.
We believe that to truly understand the world and grow in intelligence, humanoid robots must live and learn alongside us. That’s why we’re focused on developing friendly home robots designed to integrate seamlessly into everyday life.
We’re looking for curious, driven, and passionate people who want to help shape the future of robotics and AI. If this mission excites you, we’d be thrilled to hear from you and explore how you might contribute to our journey.
Role Overview
We are looking for a Test & Validation Engineer to own the characterization, testing, and validation of electric motors and robotic actuators. In this role, you will design and operate test setups, generate high-quality data, and work closely with electrical, mechanical, and controls engineers to ensure actuator performance, reliability, and robustness.
You will play a key role in turning prototypes into validated systems by building repeatable tests, uncovering edge cases, and providing actionable feedback to design teams. This role sits at the intersection of hardware, software, and data. You will also closely collaborate with other test engineers in other teams and on robot system level.
Responsibilities
Develop, operate, and maintain motor and actuator test setups, including dynos and custom test rigs
Define and execute test plans for performance, efficiency, thermal behavior, and robustness
Characterize motors and actuators across operating envelopes
Automate tests and data collection where appropriate
Analyze test data and present clear insights to engineering teams
Support hardware bring-up, debugging, and failure analysis
Collaborate with control and firmware engineers to validate control performance
Contribute to regression testing for hardware and firmware changes
Document test procedures, results, and lessons learned
Requirements
Bachelor’s or Master’s degree in Electrical Engineering, Mechanical Engineering, Robotics, or a related field
Experience testing electromechanical systems or power electronics
Hands-on experience with lab equipment and test setups
Strong data analysis skills and attention to detail
Ability to design tests that answer real engineering questions
Comfortable working with hardware, software, and multidisciplinary teams
Nice to Have
Experience with motor dynos or actuator test benches
Familiarity with motor control concepts
Experience with test automation or scripting
Exposure to reliability or lifetime testing
Benefits & Compensation
Salary Range: $95,000 – $142,600
Health, dental, and vision insurance
401(k) with company match
Paid time off and holidays
Equal Opportunity Employer
1X is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, ancestry, citizenship, age, marital status, medical condition, genetic information, disability, military or veteran status, or any other characteristic protected under applicable federal, state, or local law.
