Battery Systems Engineer

Meta; Sunnyvale (CA); On-site; USD 144,000 - 204,000; Full time

Benefits offered by this job

Bonus

Equity

Benefits

Job summary

Meta is looking for a Battery System Engineer in Sunnyvale, California, responsible for battery pack electrical designs and integrations. You will collaborate with product engineering teams to define battery requirements, ensuring optimal designs for product volume and runtime.

The role requires a Bachelor's degree in Electrical Engineering, over 6 years of experience with Li-ion battery design, and proficiency in PCB design using Altium. This position offers a competitive compensation ranging from $144,000 to $204,000 per year, including bonuses and equity.

Qualifications

• 6+ years experience in working with Li-ion battery pack design.
• Experience with Battery Management systems including fuel gauging.
• Experience working on consumer electronics.

Responsibilities

• Define and deliver battery packs as per requirement.
• Develop Electrical and interconnect architectures for battery management systems.
• Support hardware integration related to interfacing hardware.

Skills

Li-ion battery pack design

Battery Management Systems

Electrical Engineering fundamentals

PCB schematic capture and layout

Collaboration with engineering teams

Education

Bachelor's degree in Electrical Engineering

Tools

Altium

Python

JMP

Minitab

Job description

Summary

As a Battery System Engineer at Meta, you will take ownership of the Battery pack electrical designs and their integrations to power the state‑of‑the‑art devices developed by Reality Labs. You will work closely with our product engineering teams to define battery requirements, aiming to find optimal options for product volume, weight, and run time. You will provide build support during New Product Introduction activities to ensure that manufacturing processes align with design intent. Collaboration with safety, reliability, operations, software and other cross‑functional partners will be essential to integrate the battery into the final system and meet system level performance metrics. Supporting final assembly activities at supplier sites to ensure proper integration of the battery into the final system will be part of your duties, as well as assisting the sourcing team with cost analysis, supplier audits, and market analysis.

Battery Systems Engineer Responsibilities

1. Work with product groups to define and deliver battery packs as per requirement
2. Work with vendors to develop battery packs per Meta’s requirements
3. Develop Electrical and interconnect architectures for battery management systems
4. Develop engineering requirements and specifications, test and validate plans for manufacturing and characterization of battery packs
5. Develop test boards and test fixtures to validate the performance of batteries
6. Develop processes, frameworks and best practices to scale designs across multiple programs
7. Develop Electrical and thermal battery characterization requirements
8. Support hardware integration related to interfacing hardware and connection issues
9. Provide build support during early New Product Introduction builds to ensure that the process can meet the design intent
10. Perform failure analysis, root cause analysis and create corrective action plans
11. Communicate problems and solutions to cross functional team members
12. Identify system interactions and design factors which impact battery module performance such as charge time affected by system thermals and battery age, interaction with accessories and help assist product claims on battery runtimes
13. Perform battery gas gauge performance characterization at both module and system levels
14. Support software integration of batteries into system for both functionality and performance
15. Domestic and international travel to suppliers and test labs as needed

Minimum Qualifications

1. Bachelor's degree in Electrical Engineering or related field, and/or equivalent industry experience
2. 6+ years experience in working with of Li-ion battery pack design
3. Experience with Battery Management systems including fuel gauging
4. Experience applying electrical engineering fundamentals into product solutions
5. Experience working on consumer electronics
6. Experience with PCB schematic capture and layout design with Altium
7. Experience communicating with and working collaboratively with Product Design engineers and other hardware/software cross-functional team members

Preferred Qualifications

1. Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)
2. Experience in programming in languages such as Python or C and/or other scripting languages
3. Experience with statistical tools, Design of Experiments and packages such as JMP or Minitab
4. Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)
5. Experience with high volume production
6. 5+ years of experience in supporting Lithium-ion battery pack design
7. Masters or PhD in Electrical Engineering or equivalent industry experience
8. Experience with battery protection circuits, communication protocols such as I2C, UART, charger interactions
9. Electrical Engineering background in analog and digital circuits, schematic and layout capture tools
10. Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies
11. Communication and presentation skills

Public Compensation

$144,000/year to $204,000/year + bonus + equity + benefits

Industry

Internet

Equal Opportunity

Meta is proud to be an Equal Employment Opportunity and Affiantative Action employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Meta participates in the E-Verify program in certain locations, as required by law. Please note that Meta may leverage artificial intelligence and machine learning technologies in connection with applications for employment.

Meta is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know at [e-mail].