Battery QC Technician - Root-Cause & Process Improvement

Stealth-mode Battery Startup; San Jose (CA); On-site; USD 60,000 - 90,000; Full time

Benefits offered by this job

Innovative technology

Career growth

Competitive benefits

Mission-driven culture

Job summary

Stealth-mode Battery Startup is seeking an experienced Quality Technician to support IQC, IPQC, and OQC and to play a key role in root cause analysis as we scale battery R&D and manufacturing operations.

This hands-on role is for someone who enjoys solving real problems and helping build practical quality systems that ensure fast-paced innovation, precise documentation, and reliable product release. You will work closely with Manufacturing, R&D, and Supply Chain to implement corrective actions.

Qualifications

• 3+ years of IQC/IPQC/OQC experience in manufacturing or R&D.
• Hands-on root cause analysis and problem-solving capability.
• Comfortable in lab, dry room, or production environments.
• High attention to detail with strong documentation and communication.

Responsibilities

• Perform and lead receiving inspections for incoming materials.
• Review COAs, lot traceability, and supplier documentation.
• Identify, quarantine, and document nonconforming incoming material.
• Support material qualification, change-based inspections, and supplier investigations.
• Improve 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 RCA 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 RCA and support CAPA; track recurring quality issues.
• Collaborate cross-functionally with Quality Engineering, R&D, Manufacturing, and Supply Chain.

Skills

Quality control

Root cause analysis

Documentation

Lab/production familiarity

Tools

5-Why

Fishbone (Ishikawa)

Job description

Stealth-mode Battery Startup is seeking an experienced Quality Technician to support IQC, IPQC, and OQC and to play a key role in root cause analysis as we scale battery R&D and manufacturing operations.

This hands-on role is for someone who enjoys solving real problems and helping build practical quality systems that ensure fast-paced innovation, precise documentation, and reliable product release. You will work closely with Manufacturing, R&D, and Supply Chain to implement corrective actions.