Cell Development Engineer, Senior Member of Technical Staff

QuantumScape Corp.•San Jose, CA

34d•$134,800 - $182,000•Onsite

About The Position

QuantumScape is on a mission to transform energy storage with solid-state lithium-metal battery technology. The company's next-generation batteries are designed to enable greater energy density, faster charging and enhanced safety to support the transition away from legacy energy sources toward a lower carbon future. What we need: We're looking for a Senior Cell Development Engineer to scope and lead endâtoâend development efforts that directly cell performance and reliability. You'll lead projects to devise innovative cell designs, specify and optimize assembly processes, and integrate new materials/components into our anodeâless solidâstate batteries. You'll partner across automation, metrology, FA and manufacturing, owning projects and driving them to completion. The Opportunity: Scope and lead end-to-end development efforts that directly improve yield, performance, and reliability-while shaping how we test, learn, and scale. Onsite: This position is required to work onsite 5 days per week to meet the minimum essential duties and requirements of this position.â¯ As an on-site R&D and manufacturing operations organization, in-person face to face interaction is essential to building authentic relationships, trust, teamwork, and collaboration. Compensation & Benefits: Expected salary range for this role is from $134,800 to $182,000, and a final salary will be determined by the candidate's experience and educational background. QuantumScape also offers an annual bonus and a generous RSU/Equity package as part of its compensation plan. In addition, we do offer a tremendous benefits plan including employee paid health care, Employee Stock Purchase Plan (ESPP), and other benefits. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive benefits and privileges of employment. Please contact us to request an accommodation.

Requirements

PhD in Engineering, Materials Science, Physics, or a related field; OR Master's degree with 3+ years of relevant experience; OR Bachelor's degree with 5+ years of relevant experience.
Proven track record of autonomously leading projects to successful completion.
Strong grounding in electrochemistry/electrochemical systems and battery test methods.
R&D processâdevelopment experience (cell assembly, metrology, process specs, scaleâup).
Fluent in Python for data analysis/visualization; solid statistics (DoE, regression, confidence intervals).
Excellent technical communication and crossâfunctional collaboration.

Nice To Haves

Reliability analysis experience (Weibull, survival analysis, life test planning).
Prior work with automation and inspection tooling; ability to write clear equipment/user requirements.
Experience with JMP/R/Tableau and basic mechanical design or handsâon troubleshooting.

Responsibilities

Lead integration and validation of new components and materials on nextâgeneration cell platforms.
Design rigorous DOEs; apply statistical and analytical methods to evaluate approaches and compare effectiveness.
Model reliability performance (e.g., Weibull, Kaplan-Meier) and connect mechanisms to actionable design/process changes.
Define criticalâtoâquality (CTQ) metrics, acceptance criteria, and validation plans.
Build lightweight dashboards/analysis workflows so teams can see the signal quickly.
Present crisp technical updates to stakeholders and leadership; mentor junior engineers informally.