Battery Systems Engineer II

Whoop
Boston
Workplace: OnsiteFull timeUSD 110,000 - 150,000 annuallyFunction: IT Operations (Systems/Network Admin)Experience: 1+ yearsEducation: bachelorsSkills: ["Cross-functional communication","Technical documentation","Experimentation","Problem-solving","Collaboration"]

Support the validation and development of next-generation battery systems by owning test plans, running battery pack/system/component testing, and performing failure analysis and root-cause investigations. Work with cross-functional teams, suppliers, and third-party labs to translate safety and performance requirements into battery pack architectures, manage supplier testing and reports, and help with regulatory certifications and risk assessments. Evaluate lithium-ion options and improve testing standards, documentation, and validation processes, with occasional supplier travel.

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FursaFursa
Whoop
Whoop
3 weeks ago

Battery Systems Engineer II

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Source: Company careers pageValidated by: Fursa AI
Last checked: 13 hours agoStatus: Live

Job Summary

Support the validation and development of next-generation battery systems by owning test plans, running battery pack/system/component testing, and performing failure analysis and root-cause investigations. Work with cross-functional teams, suppliers, and third-party labs to translate safety and performance requirements into battery pack architectures, manage supplier testing and reports, and help with regulatory certifications and risk assessments. Evaluate lithium-ion options and improve testing standards, documentation, and validation processes, with occasional supplier travel.
Location: Boston
Workplace: Onsite
Employment Type: Full time
Job Function: IT Operations (Systems/Network Admin)
Seniority: Mid level

Key Responsibilities

  • •Develop, execute, and document battery pack, system, and component-level test plans for design validation, qualification, performance, durability, and safety across NPI programs.
  • •Translate system and cell-level safety and performance requirements into functional battery pack architectures while collaborating with engineering teams, suppliers, and third-party labs.
  • •Support regulatory certification activities (UL, CE, IEC), internal safety audits, DFMEA, risk assessments, and root cause analysis/failure investigations.
  • •Manage testing and review supplier test reports to support verification and validation for new projects, suppliers, and alternate battery technologies.
  • •Evaluate lithium-ion batteries for performance, safety, longevity, and manufacturability under WHOOP product conditions.
Travel: Low travel

Pay and Benefits

Salary: USD 110,000 - 150,000 annually

Key Requirements

  • •BS with 2+ years of experience in battery systems, or MS with 1+ years experience.
  • •Experience in lithium-ion battery development, testing, validation, or related academic research, including designing, modeling, and validating rechargeable battery systems.
  • •Strong understanding of lithium-ion cell design, battery chemistry, battery testing standards, safety guidelines, and lab instrumentation.
  • •Experience writing technical reports and documenting test plans, quality findings, supplier assessments, regulatory compliance activities, and test evaluations.
  • •Understanding of tolerance stack analysis, mechanical GD&T, and measurement methods.
Experience:1+ yearsLithium-ion batteriesBattery testingBattery validationFailure analysis
Education:Bachelor's
Skills:Cross-functional communicationTechnical documentationExperimentationProblem-solvingCollaboration
Tech Stack:PythonGD&TULCEIEC

Company Brief

Whoop
Whoop designs and sells a subscription-based wearable fitness tracker and analytics platform that monitors recovery, strain, and sleep to optimize athletic performance and daily health for consumers and professional athletes.
Industry: Wearables
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series E+
Headquarters: Boston, United States
Founded: 2012
WebsiteLinkedIn