QC Lab Technician - Raw Materials & Water Testing

CTK USA INC; Corona (CA); On-site; USD 55,000 - 75,000; Full time

Benefits offered by this job

Health Insurance (100% coverage) for员工

Paid Time Off

Paid holidays

Annual floating holiday

Job summary

CTK OTC Laboratories seeks a QC Laboratory Technician (Raw Material / Water & Visual Inspection) to perform incoming material testing, water testing, and sensory/visual inspection. You will prepare test records and CoA documentation to support QC decisions.

Role requires cGMP experience, strict data integrity, and attention to detail. Bachelor's degree preferred; knowledge of 21 CFR and ALCOA+ is a plus. On-site position in Corona, CA with competitive benefits.

Qualifications

• Bachelor's degree preferred; practical QC lab or incoming-material testing in a cGMP environment.
• Experience with water quality testing (conductivity, TOC, microbial limits) preferred.
• Experience with raw material identity testing is advantageous.

Responsibilities

• Perform finished product sensory and visual inspection per specifications.
• Perform purified water sampling and water quality testing; record results.
• Execute incoming raw material testing; record results and prepare CoA documentation.
• Manage reference standards and reagents, including labeling, expiration control, and storage.
• Record data and maintain ALCOA+ documentation and data integrity.

Skills

cGMP compliance

ALCOA+ documentation

sensory/visual inspection

MS Excel/Word/Outlook

test method adherence

bilingual (EN/Korean or EN/Spanish)

Education

Bachelor's degree preferred

Tools

Viscometer

Refractometer

Microbiological equipment

Job description

CTK OTC Laboratories seeks a QC Laboratory Technician (Raw Material / Water & Visual Inspection) to perform incoming material testing, water testing, and sensory/visual inspection. You will prepare test records and CoA documentation to support QC decisions.

Role requires cGMP experience, strict data integrity, and attention to detail. Bachelor's degree preferred; knowledge of 21 CFR and ALCOA+ is a plus. On-site position in Corona, CA with competitive benefits.