Quality Control Technician

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

About 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.

Can't find the company name?

Its not you, its us! We're really excited about the potential of our technology, product, and mission, and have chosen to remain in stealth mode.

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 elevate 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.