Principal Process Quality Engnineer

Overview

Lead SPC, DFMEA, and data-driven quality improvements for solid-state battery manufacturing.

Key Responsibilities

• statistical analysis
• quality planning
• python analysis
• change control
• fmea
• spc

Tasks

-Leverage DOE and statistical analysis to formalize sampling protocol for go no-go testing -Design and manage quality control plans for each process step across separator, cathode, and cell manufacturing lines. -Champion data-driven decision-making and statistical rigor in all quality processes. -Participate in Change Control reviews to ensure that the critical process parameter changes are defined, characterized, and controlled. -Use Python and other analytical tools to collect, clean, and analyze large data sets to identify trends, root causes, and improvement opportunities. -Mentor junior engineers and quality team members on analytical techniques, process quality methods, and problem-solving frameworks. -Lead DFMEA and PFMEA, highlighting the highest risk of failure for the design and/or process using an RPN scale. -Enforce statistical process control (SPC) requirements. Collaborate with process owners to monitor control charts, document out of control action plans (OCAPs), review Cp/Cok, etc.

Requirements

• python
• sql
• six sigma
• spc
• cqe
• bachelor's

What You Bring

ONSITE: This position is required to work onsite 4-5 days per week to meet the minimum essential duties and requirements of this position. 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. The ideal candidate has a strong background in statistical analysis, a proven track record with complex data analysis, and thrives in a highly collaborative, fast-paced environment. If you enjoy problem-solving and want to build a system from the ground up, we’d like to hear from you. What we need: We are seeking a Principal Process Quality Engineer with extensive industry experience in Process Quality. In this role, you will lead key initiatives to implement SPC, improve Ppk / Cpk, and reduce defectivity across manufacturing processes at QuantumScape. -Reaching and twisting motions with hands -Experience with Python for data analysis, automation, and visualization (pandas, numpy, matplotlib, seaborn, etc.). -Proven ability to work in fast-paced, data-driven manufacturing environments. -Fundamental understanding of battery electrochemistries and failure mechanisms. Familiarity of electrical test and metrics. -Lifting up to 25 lbs. -Certified with Six Sigma, Certified Manager of Quality, Certified Quality Engineer (CQE), or Certified Reliability Engineer (CRE). -Bachelor’s degree in Engineering (Mechanical, Manufacturing, Industrial, or related discipline); advanced degree preferred. -Strong analytical and statistical skills; proficiency with SQL, Minitab, or JMP is a plus. -Sitting or standing for extended periods of time -Deep knowledge of quality tools and methodologies (Six Sigma, Lean Manufacturing, DOE, SPC, root cause analysis). -Work is performed in a dry room, fume hood, lab area, or glovebox requiring the use of fine motor skills -10+ years of experience in a manufacturing quality or process engineering role, with at least 3 years in a senior or principal-level position. -Excellent communication, presentation, and leadership skills, with a track record of influencing cross-functional teams.

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Benefits

Compensation & Benefits: Expected salary range for this role is from $ 119,000 to $181,550, 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 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.

About Quantumscape

-Began with a mission to reinvent EV batteries using solid-state lithium-metal technology. -Innovative anode-less ceramic separator significantly boosts energy density, safety, and charging speed. -Produced first B-sample QSE-5 cells in late 2024, now undergoing automotive testing. -Unveiled 'Cobra' in 2025—a separator production line designed for gigawatt-hour volume scaling. -Strategic alliance with Volkswagen’s PowerCo for licensed production upon meeting key milestones. -Maintains tight secrecy and high expectations, focusing on anode-free solid-state innovation without a commercial product yet. -Carving a niche at the intersection of Energy, Transport, and Industrial sectors, targeting next-gen mobility infrastructure.

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