Quality Control Technician
Stealth-mode Battery Startup
Apply to this jobAbout the Company
We are a stealth-mode battery startup developing cutting-edge battery technology. Our mission is to revolutionize battery technology to accelerate the global transition to clean energy. By leveraging innovative materials and advanced manufacturing techniques, we are building the future of sustainable energy.
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It’s not you, it’s us! We’re really excited about the potential of our technology, product, and mission, and have chosen to remain in stealth mode. If the job description piques your interest, please apply. If your skillset is aligned with what we’re looking for, the team will reach out to schedule your interview and tell you a bit more about us (e.g. who we are).
Role
We are looking for an experienced Quality Technician to support Incoming, In-Process, and Outgoing Quality Control (IQC, IPQC, OQC) and play a key role in root cause analysis and continuous improvement as we scale our battery R&D and manufacturing operations. This is a hands-on role for someone who enjoys being close to the product, solving real problems, and helping build practical quality systems that support fast-paced innovation.
Responsibilities
Incoming Quality Control (IQC)
Perform and lead receiving inspections for incoming materials and components
Review Certificates of Analysis (COAs), lot traceability, and supplier documentation
Identify, document, and quarantine nonconforming incoming material
Support material qualification, change-based inspections, and supplier issue
investigations
Improve and standardize IQC procedures, checklists, and acceptance criteria
In-Process Quality Control (IPQC)
Perform in-process inspections to verify critical process and quality parameters
Monitor adherence to process controls and work instructions
Identify process deviations and escalate issues in real time
Support root cause analysis for in-process defects and yield losses
Work with Manufacturing and R&D teams to implement corrective actions
Outgoing Quality Control (OQC)
Perform final inspections on finished cells, components, or assemblies prior to release
Verify compliance to defined specifications and release criteria
Ensure proper documentation, labeling, and traceability prior to shipment or internal release
Support disposition decisions for nonconforming finished goods
Problem Solving & Continuous Improvement
Lead first-level root cause analysis (RCA) using tools such as 5-Why, Fishbone (4M), and data review
Support corrective and preventive actions (CAPA) and verify effectiveness
Track recurring quality issues and recommend preventive improvements
Collaborate cross-functionally with Quality Engineering, R&D, Manufacturing, and Supply Chain
Qualifications
3+ years of strong experience in IQC, IPQC, and/or OQC within a manufacturing or R&D environment
Demonstrated hands-on root cause analysis and problem-solving capability
Comfortable working in lab, dry room, or production environments
High attention to detail with strong documentation and communication skills
Experience in battery, electrochemical, materials, or hardware manufacturing is a plus
Why Join Us?
Innovative Technology: Work on cutting-edge energy storage solutions that power the future.
Career Growth: Opportunities to work on high-impact projects and advance in a growing industry.
Competitive Benefits: Comprehensive health, wellness, and professional development programs.
Mission-Driven Culture: Be part of a team that is shaping the future of sustainable energy through innovation and excellence.
We are an equal opportunity employer and we do not discriminate on the basis of race, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related condition, or any other basis protected by law.
Summary
Perform quality inspections and root cause analysis in battery manufacturing environment
Job title
Quality Control Technician
Experience level
3+ years
Minimum experience
3+ years exp
Industry
battery technology
Location requirements
San Jose, no remote work allowed
Salary
Not specified
Management role
No
Required skills
Preferred skills
Specializations
Structured locations inferred from the posting.
San Jose, CA, USA