63 Best Science Jobs in Downey, California (June 2026)

QC Chemist

4 days ago

Cerritos

Job Description MUST HAVE EXPERIENCE IN THE BEAUTY INDUSTRY Position Summary The QC Chemist is responsible for performing analytical and physical testing of raw materials and bulk products while ensuring strict adherence to Good Manufacturing Practices (GMP) and data integrity standards. This role places strong emphasis on quality systems, including equipment calibration, investigation of non-conformances (OOS/OOT), and support of method validation activities. The ideal candidate brings hands-on experience in a regulated Quality Control laboratory and demonstrates a strong understanding of compliance, documentation, and audit readiness. While in-process adjustments may be required, the primary focus of this role is to support and strengthen the Quality function. Key Responsibilities Quality Control & Testing • Perform routine and non-routine analytical and physical testing of raw materials and bulk products (e.g., pH, viscosity, assay, specific gravity, appearance) according to approved methods and specifications, • Evaluate test results against specifications and ensure accurate, complete, and compliant documentation, • Support release of raw materials and bulk products through proper review and verification of test data GMP Compliance & Documentation • Maintain accurate, contemporaneous laboratory records (logbooks, worksheets, electronic systems) in compliance with GMP and data integrity (ALCOA) principles, • Follow and enforce SOPs, ensuring all activities meet regulatory and internal quality standards, • Support audit readiness by ensuring documentation completeness, traceability, and consistency Equipment Calibration & Maintenance • Perform and/or coordinate calibration and verification of laboratory instruments (e.g., pH meters, balances, viscometers, thermometers), • Maintain calibration records and ensure all equipment is within calibration status and properly labeled, • Troubleshoot basic instrument issues and escalate as needed Investigations & Quality Systems • Participate in investigations related to non-conformances, including Out-of-Specification (OOS) and Out-of-Trend (OOT) results, • Assist in root cause analysis and support implementation of corrective and preventive actions (CAPAs), • Support deviation reporting and ensure proper documentation of findings Method Validation & Continuous Improvement • Support method validation, verification, and transfer activities as required, • Assist in implementing new analytical methods and improving existing procedures, • Identify and communicate opportunities for process and quality system improvements Laboratory Operations • Conduct routine housekeeping and 5S checks to maintain a clean, safe, and organized laboratory environment, • Collaborate cross-functionally with Quality Assurance (QA), Production, and other departments, • Assist in training new staff on QC procedures, GMP practices, and documentation standards Additional Responsibilities • Perform in-process adjustments (e.g., pH, viscosity) under guidance when required, with proper documentation and re-testing, • Perform other duties as assigned by management Qualifications Education • Bachelor’s degree in Chemistry, Biochemistry, Pharmaceutical Sciences, or a related field Experience • 1–3+ years of experience in a GMP-regulated QC laboratory (pharmaceutical, cosmetics, or related industry preferred), • Hands-on experience with:, • Equipment calibration and maintenance, • OOS/OOT investigations and deviation handling, • GMP documentation and data integrity practices Technical Skills • Proficiency in wet chemistry techniques and common laboratory instruments (pH meter, balance, viscometer, titrator, spectrophotometer), • Familiarity with method validation/verification concepts, • Working knowledge of GMP, SOPs, and regulatory expectations Soft Skills • Strong attention to detail and organizational skills, • Ability to manage multiple priorities in a fast-paced environment, • Effective communication and teamwork skills, • Ability to work independently with minimal supervision Additional Requirements • Proficiency in MS Word, Excel, and/or Google Docs, • Flexibility to work shifts (6:00 am – 2:30 pm or 10:00 am – 6:30 pm), • Ability to lift up to 25 lbs

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