Regular Affairs Manager (Part-Time)

Huisong Pharmaceuticals • Santa Ana, CA

4d • Onsite

About The Position

Huisong Inc., the U.S. operation of Huisong Pharmaceuticals based in Santa Ana, California, is seeking an experienced, hands-on Regulatory Affairs Manager to support regulatory compliance for botanical ingredients, natural products, and dietary supplements. The position is part-time, approximately 12–16 hours per week, and requires on-site work in Santa Ana. The manager will prepare and maintain regulatory documentation, support audits and certifications, review finished dietary supplement labels, and coordinate with internal and external stakeholders. Candidates should be able to work independently and provide practical regulatory support within the part-time schedule.

Requirements

• Bachelor's degree in Regulatory Affairs, Food Science, Chemistry, Biology, or a related field.
• Minimum 3 years of hands-on U.S. regulatory affairs experience in dietary supplements, food ingredients, or related industries.
• Strong working knowledge and practical experience with FDA regulations, including 21 CFR Parts 111 and 117, and the Foreign Supplier Verification Program (FSVP).
• Demonstrated experience preparing regulatory documentation and reviewing FDA-compliant dietary supplement product labels.
• Experience supporting regulatory audits, certifications, and compliance documentation.
• Ability to work independently and manage regulatory responsibilities with limited supervision.
• Must be legally authorized to work in the United States.

Nice To Haves

• Experience with USDA Organic / CCOF certification and compliance requirements.
• Experience working with botanical extracts, natural ingredients, or finished dietary supplements.

Responsibilities

• Prepare, review, compile, and submit required regulatory documents, registrations, notifications, and supporting technical dossiers in accordance with applicable U.S. regulations.
• Support regulatory audits and certifications, independently preparing and maintaining compliance records.
• Review and approve finished dietary supplement product labels for compliance with FDA labeling regulations.
• Coordinate with internal departments, external laboratories, suppliers, customers, and regulatory agencies to obtain necessary documentation and supporting information.

What This Job Offers

• Job Type: Part-time
• Career Level: Mid Level