Whoop

1 month ago

Battery Engineer II

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 21 hours agoStatus: Live

Job Summary

Battery Engineer II focused on validating and developing next-generation lithium-ion battery systems for WHOOP products. You will design test plans, collaborate with cross-functional teams and suppliers globally, support regulatory activities, and drive design improvements across programs, with opportunities to travel to supplier sites.

Location: Boston

Workplace: Onsite

Employment Type: Full time

Job Function: Hardware, Embedded & Systems Engineering

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 and internal evaluations
•Collaborate with multidisciplinary engineering teams and suppliers across the globe to translate system and cell-level safety and performance requirements into functional battery pack architectures
•Support regulatory certification activities (e.g., UL, CE, IEC), internal safety audits, DFMEA, risk assessments, root cause analysis, and failure investigation workflows
•Manage testing, review supplier test reports, and support verification and validation for new projects, suppliers, and alternate battery technologies
•Evaluate lithium-ion batteries across different designs, use cases, and WHOOP product conditions to assess performance, safety, longevity, and manufacturability

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
•Strong understanding of lithium-ion cell design, battery chemistry, testing standards, and lab instrumentation
•Experience writing technical reports and documenting test plans, quality findings, and regulatory activities
•Strong communication skills for battery-related technical topics in cross-functional settings

Experience:2+ yearsBatteryBattery systemsLithium-ion

Education:Bachelor's

Skills:CommunicationTeamworkProblem-solvingDocumentationData analysis

Languages:English

Tech Stack:PythonData visualizationLab instrumentation

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

Website LinkedIn

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Whoop

1 month ago

Battery Engineer II

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 21 hours agoStatus: Live

Job Summary

Location: Boston

Workplace: Onsite

Employment Type: Full time

Job Function: Hardware, Embedded & Systems Engineering

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 and internal evaluations
•Collaborate with multidisciplinary engineering teams and suppliers across the globe to translate system and cell-level safety and performance requirements into functional battery pack architectures
•Support regulatory certification activities (e.g., UL, CE, IEC), internal safety audits, DFMEA, risk assessments, root cause analysis, and failure investigation workflows
•Manage testing, review supplier test reports, and support verification and validation for new projects, suppliers, and alternate battery technologies
•Evaluate lithium-ion batteries across different designs, use cases, and WHOOP product conditions to assess performance, safety, longevity, and manufacturability

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
•Strong understanding of lithium-ion cell design, battery chemistry, testing standards, and lab instrumentation
•Experience writing technical reports and documenting test plans, quality findings, and regulatory activities
•Strong communication skills for battery-related technical topics in cross-functional settings

Experience:2+ yearsBatteryBattery systemsLithium-ion

Education:Bachelor's

Skills:CommunicationTeamworkProblem-solvingDocumentationData analysis

Languages:English

Tech Stack:PythonData visualizationLab instrumentation

Company Brief

Whoop

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

Website LinkedIn