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Quality Control Assistant Manager

Job in Pomona, Los Angeles County, California, 91766, USA
Listing for: Yamamotoyama
Full Time position
Listed on 2026-07-02
Job specializations:
  • Quality Assurance - QA/QC
    Regulatory Compliance Specialist, Quality Control - QC Analysts/Managers
Job Description & How to Apply Below

Quality Control Assistant Manager

Yamamotoyama U.S.A. stands as a testament to the art of traditional Japanese green tea and nori seaweed products, upholding a commitment to unparalleled quality since 1690. Our culture is enriched by diverse backgrounds, all striving to find their unique voice in a harmonious blend. This spirit of unity in diversity extends to our portfolio, which includes the globally recognized Stash Tea Company, offering an expansive array of premium teas.

In addition, we proudly present Ujido, a brand deeply rooted in the art and tradition of Japanese Matcha. Our dedication to excellence is not just in our products, but in the mosaic of voices that shape our legacy.

We Encourage You to Apply:

We understand that not everyone fits perfectly into a list of qualifications. If you are passionate about this role, our product, and our history, we encourage you to apply even if you don't meet all the listed requirements. We value diverse experiences and are committed to creating an inclusive environment where everyone can thrive.

Summary of Position

The Quality Control Assistant Manager leads the Quality Control team to ensure products consistently meet food safety, quality, customer, and regulatory requirements. This role oversees line QC inspectors, and lab technicians, managing daily raw material, packaging material, and finished product approval activities. Lead CAPA activities and continuous improvement initiatives to strengthen quality systems and ensure ongoing compliance. The position also supports the Quality Management System (QMS), including customer complaints, government and 3rd party audits.

This role works closely with Operations, Supply Chain, R&D, and external partners to address quality issues and reduce risks. This role helps maintain compliance, protect product integrity, and support customer satisfaction and business objectives. This job description does not list all the job duties of this position. Duties listed are subject to change based on business and/or management needs. Management reserves the right to revise this job description at any time.

Essential

Functions
  • Provide leadership, supervision, coaching, and performance management for QC inspectors and laboratory technicians to ensure effective execution of quality and food safety programs.
  • Participate in quality inspections for both in-house production and co-manufactured products to ensure compliance with internal standards and regulatory requirements.
  • Participate in internal and external audit programs, identify non-conformances, and ensure timely and effective resolution through CAPA procedures.
  • Ensure compliance with environmental monitoring, calibration, and weight control programs.
  • Lead the execution and effectiveness of CAPA procedures, including root cause analysis, corrective and preventive actions, and verification.
  • Analyze quality metrics such as customer complaints, non-conforming products, and process deviations to identify trends and drive continuous improvement initiatives across the organization.
Strategic Responsibility
  • Ensure organizational compliance with all applicable regulatory and certification requirements, including FDA, AIB, HACCP, HARPC, SQF, Organic, nonGMO, and Kosher standards.
  • Partner with operation team to address compliance gaps, and ensure readiness at all times.
Technical Responsibility
  • Ensure all quality-related equipment and instruments are properly calibrated, maintained, and functioning in accordance with standards.
  • Oversee calibration programs for equipment including scales, thermometers, ATP devices, water activity meters, moisture analyzers, and magnets.
  • Manage laboratory operations, including supplies, testing procedures, and compliance.
Operational Responsibility
  • Manage and provide direction to QC inspectors and laboratory technicians to ensure compliance with established quality and food safety standards.
  • Review and approve quality records, production documentation, and product release decisions.
  • Monitor production processes and support Operations in identifying and resolving quality and food safety issues.
  • Investigate product nonconformances, customer complaints, and quality incidents, and lead corrective and preventive action (CAPA) activities.
  • Ensure timely execution of environmental monitoring, calibration, verification, and laboratory testing programs.
  • Support internal, customer, regulatory, and third-party audits, and assist in implementing corrective actions resulting from audit findings.
Collaboration
  • Oversee and manage QC department personnel, including hiring, training, performance management, and development.
  • Provide coaching and mentorship to build a high-performing team, set clear expectations, and ensure accountability.
  • Supporting the Director to effectively allocate resources, including managing the QC department budget, prioritizing and distributing workloads, and support team members in achieving both departmental and organizational goals.
  • Partner with Operations, Supply Chain, R&D,…
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