Job Title: Manufacturing Quality Engineer          Job Type: Full Time, ExemptLocation: Fremont, CA (On-site) Reports to Director of Operations

Company Description

Amprius Technologies is a leading manufacturer of high-energy and high-capacity lithium-ion batteries producing the industry’s highest energy density cells. We develop, design, and manufacture high-performance lithium-ion cells for advanced applications. The company’s corporate headquarters is in Fremont, California, where we maintain an R&D Lab and a pilot manufacturing facility for the fabrication of silicon anodes and cells. For more information, visit the company website at https://amprius.com/about/

Summary

Manufacturing Quality Engineer will be responsible for ensuring in-process product quality, driving root cause analysis of quality issues, and implementing corrective actions. This role plays a critical part in developing and qualifying robust manufacturing processes that meet customer and regulatory requirements at our Fremont Factory.

 

Job Repsonsibilities:

In-Process Quality Control:

Collaborate with Production and Engineering to define and maintain critical quality parameters and control limits Develop and implement in-process inspection standards, control plans, and quality monitoring systems.

Non-Conformance (NC) Handling:

Manage the identification, documentation, and disposition of non-conforming material. Lead cross-functional teams to evaluate and contain non-conforming products in a timely manner. Drive data collection and analysis of NC trends to support continuous improvement efforts.

Root Cause Analysis & Corrective Action (RCA/CA):

Lead structured problem-solving activities using tools such as 5 Whys, Fishbone diagrams, and FMEA. Coordinate cross-functional teams to define root causes and implement corrective/preventive actions (CAPA). Monitor and verify the effectiveness of implemented actions to ensure sustainable improvements.

Process Qualification & Validation:

Develop and execute process qualification plans when introducing new processes or equipment. Collaborate with Engineering to define quality requirements for new or modified equipment and processes. Review and approve process validation protocols, reports, and supporting data.

 

Continuous Improvement & Change Management:

Drive process improvements using Lean, Six Sigma, or other quality methodologies. Participate in Kaizen events and support quality training programs for production staff. Participate in Engineering Change Control (ECC) reviews and ensure proper risk assessments and validations are completed. Provide process specific Technical Training to the technicians as part of CI efforts.

Documentation & Compliance:

Ensure all quality documentation is accurate, complete, and compliant with industry standards (ISO 9001 & AS9100). Support internal and external audits, including customer and regulatory audits. Maintain records for traceability, calibration, inspection results, and process changes.