Electrical Engineer – Battery and Charger

Since its founding in 2015, 1X has been at the forefront of developing advanced humanoid robots designed for household use. Our mission is to create an abundant supply of labor via safe, intelligent humanoids.

We strive for excellence in all we do, solving some of the hardest problems in robotics with the world’s most talented individuals. Every part of our robots is designed and produced in-house—from motor coils to AI—reflecting our vertically integrated approach. At 1X, you’ll own real projects, be recognized for your achievements, and rewarded based on merit.

We believe the best work is done when collaborating and therefore require in-person presence in our office locations.

Why this job is exciting

• Take ownership of battery and charger systems powering next-generation humanoid robots

• Prototype and refine high-performance electronics with direct impact on product reliability

• Push the boundaries of robotic power systems as we scale from R&D to full manufacturing

Responsibilities

• Own the design of battery or power distribution subsystems, including component selection, schematic design, and PCB layout

• Bring up and validate custom PCBAs for battery and charger systems

• Develop and execute test plans to verify requirements, derisk design changes, and ensure long-term reliability

• Design wiring harnesses and cables, including connector selection, wire specifications, and documentation

Requirements

• Bachelor’s or higher degree in Electrical Engineering or related field

• Hands-on experience with PCB design and bring-up

• Strong understanding of power electronics, batteries, or power distribution systems

• Experience designing wiring harnesses and cables for electromechanical systems

• Track record of building, testing, and iterating on custom hardware

Location Policy

We believe the best work is done when collaborating and therefore require in-person presence in our office locations.

## Not sure if this is you?

If you’re excited about 1X and this role but not sure if you qualify, apply anyway! You may be the right candidate for this or other roles.

1X is an inclusive and equal-opportunity employer that values diversity. We consider all qualified applicants regardless of race, religion, gender, age, sexual orientation, disability, or any other protected class. If you have a disability or special need that requires accommodation, please let us know. We will do our best to accommodate your needs.

We're excited to get to know you and the prospect of having you on board!