Quality Control Technician

Stealth-mode Battery Startup•San Jose, CA

9d•Onsite

About The Position

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. Can't find the company name? 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.

Requirements

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

Nice To Haves

Experience in battery, electrochemical, materials, or hardware manufacturing is a plus

Responsibilities

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
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
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
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