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503B Jobs in California (NOW HIRING)

Minimum 5+ years of leadership specifically within a 503A or 503B Outsourcing Facility (absolute requirement). * Technical Expertise: Deep knowledge of aseptic processing and sterile injectable ...

Sterile Compounding Pharmacist

Irvine, CA · On-site

$115K - $135K/yr

Minimum 12 years of experience in sterile compounding (hospital, 503B, or outpatient setting) * Knowledge of USP , , and cleanroom protocols * Strong attention to detail and commitment to patient ...

Sterile Compounding Pharmacist

Irvine, CA · On-site

$62.50 - $75.25/hr

Minimum 1-2 years of experience in sterile compounding (hospital, 503B, or outpatient setting) * Knowledge of USP , , and cleanroom protocols * Strong attention to detail and commitment to patient ...

Sterile Compounding Pharmacist

Irvine, CA · On-site

$62.50 - $75.25/hr

Minimum 1-2 years of experience in sterile compounding (hospital, 503B, or outpatient setting) * Knowledge of USP , , and cleanroom protocols * Strong attention to detail and commitment to patient ...

Sterile Compounding Pharmacist

Irvine, CA · On-site

$115K - $135K/yr

Minimum 1-2 years of experience in sterile compounding (hospital, 503B, or outpatient setting) * Knowledge of USP , , and cleanroom protocols * Strong attention to detail and commitment to patient ...

Sterile Compounding Pharmacist

Irvine, CA · On-site

$115K - $135K/yr

Minimum 1-2 years of experience in sterile compounding (hospital, 503B, or outpatient setting) * Knowledge of USP , , and cleanroom protocols * Strong attention to detail and commitment to patient ...

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503B information

What is a 503B facility?

A 503B facility refers to an outsourcing pharmacy registered with the U.S. Food and Drug Administration (FDA) under section 503B of the Federal Food, Drug, and Cosmetic Act. These facilities are allowed to compound large batches of medications, typically sterile drugs, in advance of receiving prescriptions, and can distribute them to healthcare facilities nationwide. 503B facilities must adhere to strict quality standards and are subject to regular FDA inspections to ensure safety and compliance. This designation helps hospitals and clinics obtain ready-to-use compounded medications, especially during drug shortages.

What are the key skills and qualifications needed to thrive as a 503B outsourcing facility pharmacist, and why are they important?

To thrive as a 503B Outsourcing Facility Pharmacist, you need a Doctor of Pharmacy (PharmD) degree, state licensure, and expertise in sterile compounding and current Good Manufacturing Practices (cGMP). Familiarity with compounding automation systems, environmental monitoring tools, and regulatory compliance software is crucial. Attention to detail, strong organizational skills, and effective communication are vital soft skills for ensuring operational efficiency and regulatory adherence. These competencies are essential to maintain product safety, regulatory compliance, and high-quality pharmaceutical production in a highly regulated environment.

What are some common challenges faced by professionals working in a 503B outsourcing facility?

Professionals in 503B outsourcing facilities often encounter challenges related to maintaining strict compliance with FDA regulations, especially regarding Current Good Manufacturing Practice (cGMP) standards. The work environment is highly regulated, requiring meticulous documentation and quality assurance to ensure patient safety. Additionally, there may be frequent audits and inspections, which require staff to stay up-to-date with evolving regulatory requirements. Collaboration with quality assurance, regulatory, and pharmacy teams is essential to address compliance issues and improve operational efficiency.

What is the difference between 503B vs 503A?

Aspect503B503A
CertificationsPharmacist, FDA compliancePharmacist, state board licensing
Work EnvironmentOutsourced sterile compounding facilitiesIn-house pharmacy compounding
Regulatory OversightFDA regulatedState pharmacy boards
Industry UsageLarge-scale, outsourcing pharmaciesCommunity and hospital pharmacies

503B facilities operate under FDA regulations, focusing on large-scale sterile compounding outside traditional pharmacies, often serving multiple healthcare providers. In contrast, 503A pharmacies are typically local, in-house pharmacies complying with state pharmacy laws. Both roles require pharmacy credentials but differ mainly in regulatory oversight and operational scope.

How to become a 503B?

A 503B refers to a compound outsourcing facility registered with the FDA that compiles with Good Manufacturing Practices. To become a 503B, a facility must register with the FDA, comply with quality standards, and often employ licensed pharmacists and qualified personnel. For individuals, working in a 503B facility typically requires relevant pharmaceutical or healthcare experience and certifications such as pharmacy licensure or quality assurance training.

What cities in California are hiring for 503B jobs?

Cities in California with the most 503B job openings:

Infographic showing various 503B job openings in California as of August 2026, with employment types broken down into 80% Full Time, and 20% Part Time. Highlights an 100% In-person job distribution.

Site Director

W3Global Inc.

San Diego, CA

$120K - $150K/yr

Full-time

Re-posted 23 days ago


Job description

Job Description

  • Strategic Leadership: Spearhead the operations and regulatory requirements of a high-volume peptide compounding facility.

  • Compliance Integration: Implement and maintain robust cGMP and USP standards.

  • Production Oversight: Manage end-to-end manufacturing and sterile fill-finish for a dedicated peptide portfolio.

  • Quality Management: Manage the execution of Quality Management Systems (QMS), including CAPA, deviations, and change control.

  • Facility Scale-up: Oversee site readiness for rigorous federal and state regulatory inspections, including FDA and 503B.

Requirements

  • Track Record: Minimum 5+ years of leadership specifically within a 503A or 503B Outsourcing Facility (absolute requirement).

  • Technical Expertise: Deep knowledge of aseptic processing and sterile injectable requirements.

  • Quality Credentials: Proven history of leading sites through successful Board of Pharmacy and FDA inspections.

  • Education: B.S. in Pharmacy, Chemistry, or Life Sciences; advanced degree (PharmD/MBA) preferred.

  • Leadership: Ability to build and mentor a high-performing technical team in a fast-paced environment.

  • Background: Engineering background is a plus.

  • Bilingual: Chinese or Mandarin


W3Global logo

About W3Global

Sourced by ZipRecruiter

W3Global has been delivering staffing solutions for nearly two decades; we know which recruiting strategies work best. Our expert team is committed to developing a customized solution to fit your company’s unique needs. As a W3Global client, you’ll also receive personalized assistance from a seasoned team of staffing specialists. We are committed to providing both technical support and industry expertise to simplify the hiring process. We know that your time matters. W3Global will help you streamline the hiring process, getting it done and getting it right.

Industry

Recruiting and staffing services

Company size

501 - 1,000 Employees

Headquarters location

Frisco, TX, US

Year founded

2006