Reliability Engineer (Battery)

Last updated one month ago
Location:Redmond, Washington
Job Type:Full Time

Are you passionate about developing innovative technologies and building cool devices? Microsoft Devices Team focuses on building devices that fully embody the Microsoft mission to empower every person and every organization on the planet to achieve more. A fundamental part of our strategy is to build desirable devices that enable seamless experiences for people using them and elicit their joy and excitement. Creating these devices involves a close partnership between hardware engineers, product designers, software engineers, suppliers and manufacturing partners. We are currently building the next generation of devices and Microsoft needs you!

Devices Reliability team at Microsoft is looking for a creative, talented and experienced engineer with a strong background and expertise in Li-ion Battery Reliability. The candidate’s primary responsibility will be the development and implementation of methodologies and techniques to evaluate and enhance component and product reliability. This role may require the candidate to engage on multiple products and with multiple cross-functional teams. A strong skill-set covering engineering analysis, problem solving, communication and external partner management is required.


  • Develop and execute reliability qualification plans based on product lifecycle requirements while interfacing with design and manufacturing partners and external suppliers
  • Develop, with other functional disciplines, customer usage models and translate understanding of the customer into practical reliability test specifications
  • Standardize methodologies and processes for increased effectiveness of qualification plans and sample sizes used
  • Participate in component vendor selection activity and drive component qualification activity for components that are critical to Microsoft product requirements
  • Use knowledge of manufacturing process capability as well as system-level performance requirements to establish Critical-to-Reliability performance metrics
  • Monitor product performance in the field, understand customer-facing product issues and drive failure analysis and corrective action with the appropriate partner engineering teams


  • Three or more years of engineering work experience
  • Experience in Li-Ion battery cell and multi-pack design, manufacturing and quality controls

  • Hands on experience in lab in Li-ion battery life testing and failure analysis

  • Understanding of Electrochemistry, Electrical, Mechanical and Thermal aspects of Battery Reliability

  • Understanding of Battery Management System and Fuel Gages

  • Bachelor’s, Master’s or Doctoral degree in Electrical Engineering, Mechanical Engineering, Materials Science, Chemical Engineering, Physics, Chemistry or any other related field
  • Experience in developing and implementing accelerated tests to identify and mitigate risks and qualify engineering designs during product development is a plus

  • Ability to use knowledge of Battery cell and pack design and manufacturing processes to conduct Failure Modes and Effects Analysis (FMEA) is a plus

  • Capability of applying Design-of-Experiments concepts to identify Critical-to-Quality parameters and develop robust evaluation plans based on them is a plus

  • Knowledge of statistical techniques to analyze test data and create estimates for field failure rates is a plus

  • Experience with balancing the significance of time to market, risk mitigation plans and return on investment while creating and executing reliability plans during product development is a plus

  • Experience in completing measurement method analysis, gage correlation studies (GRR) and other data fidelity studies is a plus

  • Completing data trend and variation analysis and creating engineering reports is a plus

  • Experience in summarizing the test data and perform data analysis in accordance with product design requirements is a plus

  • Experience in preparing test reports and communicating results and findings to Reliability engineer to facilitate root cause analysis and resolution when failure occurs is a plus

  • Ability to develop reliability stress hardware specifications and procedures, writing test programs for reliability testing and characterization, and assisting in selection of new reliability lab equipment is a plus

  • Experience in design and execution of accelerated life tests to evaluate product reliability is a plus
  • Experience in managing multiple design qualification activities and development schedules
  • Proven experience in working with external design and manufacturing partners is a plus
  • Experience in reliability and life estimation of electronics products is a plus

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request via the Accommodation request form.

Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.