Job Description

The Facebook Reality Labs team is looking for a Battery System Engineer to develop battery packs for head mounted and body worn mobile products. You will develop batteries to enable the Facebook mission of connecting people using communication devices, virtual/augmented reality systems and new product categories. You will establish requirements with internal and external customers, design and develop battery packs to meet the requirements and integrate it into the final system.

Battery System Engineer Responsibilities

* Design hardware and software systems for battery protection, charging and gauging

* Develop engineering requirements specifications, test and validation plans for manufacturing and characterizing battery packs

* Develop test plans to test batteries at the component and system level

* Support prototype and engineering builds

* Work with safety, reliability, operations and other cross functional partners to integrate the battery into the final system

* Work closely with firmware/software teams to program chargers and battery fuel gauges

* Work with vendors to develop custom and semi-custom ICs for battery management

* Work very closely with mechanical engineering team to develop battery modules and protection control systems

* Understanding of safety standards such IEEE1725, UL2054 etc.

* Supplier management during the various phases of an NPI/NTI program

* Ensure robust integration of the battery into the final system

* Conduct rigorous failure/root cause analysis on battery related problems and own communication on issues to the cross functional teams

* Support the sourcing team on cost analysis, supplier audits and market analysis

* 10-20% travel required

Minimum Qualifications

* B.S in Electrical Engineering or equivalent experience

* 5+ years of electrical engineering experience in power management and battery management

* Understanding of Li-ion cell chemistry and the various processes involved in manufacturing lithium ion battery packs

* Experience with battery protection ICs, fuel gauge and chargers

* Experience with firmware/software development for for charger/fuel gauge integration with micro controllers

* Experience with C, C++, Python and/or other scripting tools

Preferred Qualifications

* Masters in Electrical Engineering or equivalent experience

Locations

About the Facebook company

Facebook's mission is to give people the power to build community and bring the world closer together. Through our family of apps and services, we're building a different kind of company that connects billions of people around the world, gives them ways to share what matters most to them, and helps bring people closer together. Whether we're creating new products or helping a small business expand its reach, people at Facebook are builders at heart. Our global teams are constantly iterating, solving problems, and working together to empower people around the world to build community and connect in meaningful ways. Together, we can help people build stronger communities we're just getting started.

Facebook is committed to providing reasonable support (called accommodations) in our recruiting processes for candidates with disabilities, long term conditions, mental health conditions or who are neurodivergent, and to candidates with sincerely held religious beliefs or requiring pregnancy related support. If you need support, please reach out to accommodations-ext@fb.com.