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Quality Assurance Inspector (On-site)

Lief Labs

Lief Labs

Quality Assurance
valencia, santa clarita, ca, usa
Posted on Wednesday, July 3, 2024

Lief Labs is a premier formulation and product development innovator and manufacturer of dietary supplements. Our in-house Product Development and R&D team create the best-tasting and most cutting-edge formulations of supplements. Lief also houses a state-of-the-art, full-service Current Good Manufacturing Practice (cGMP) manufacturing facility, which offers custom solutions for a multitude of supplement categories. Lief collaborates with entrepreneurial firms to help them build premier brands. Our turnkey solutions allow us to engage in seamless partnerships that help brands with scalability and sustainable growth. Lief Labs is located in the Santa Clarita Valley (Valencia, CA.) All roles are on-site Monday – Friday.


The Quality Assurance Inspector is responsible for ensuring that all products manufactured meet the company’s high standards of quality and regulatory compliance. This role involves inspecting, testing, and verifying products and processes to ensure adherence to GMP (Good Manufacturing Practices), SOPs (Standard Operating Procedures), and other regulatory requirements. The Quality Assurance Inspector will work closely with production teams to identify and address any quality issues, ensuring the safety and efficacy of products.


  • Inspection and Testing:
    • Perform routine inspections of raw materials, in-process products, and finished goods.
    • Conduct tests to verify product quality, using appropriate testing equipment and methods.
    • Document and report inspection results, noting any deviations or non-conformances.
  • Compliance and Documentation:
    • Ensure all products comply with GMP, SOPs, and regulatory requirements.
    • Maintain accurate and detailed records of inspections, tests, and findings.
    • Assist in the preparation and review of quality documentation, including batch records and Certificates of Analysis (CoAs).
  • Process Improvement:
    • Identify opportunities for process improvements and work with cross-functional teams to implement corrective actions.
    • Participate in root cause analysis and CAPA (Corrective and Preventive Actions) processes to address quality issues.
  • Training and Support:
    • Provide training and guidance to production staff on quality standards and procedures.
    • Assist in internal and external audits, providing necessary documentation and support.
  • Safety and Environment:
  • Adhere to all safety protocols and procedures to ensure a safe working environment.
  • Contribute to environmental sustainability initiatives within the quality assurance processes.

Supervisory Responsibilities


Minimum Qualifications


  • High school diploma or equivalent required; Associate’s or Bachelor’s degree in a scientific or technical field preferred.


  • Minimum of 2 years of experience in a quality assurance role within the pharmaceutical, nutraceutical, or food manufacturing industry.
  • Experience with GMP and FDA regulations.
  • Knowledge of ERP systems
  • Bilingual communication skills a plus

Skills/ Abilities Problem Solving

  • Strong attention to detail and excellent observational skills.
  • Proficient in using laboratory and testing equipment.
  • Good documentation and record-keeping skills.
  • Ability to work independently and as part of a team.
  • Strong problem-solving and analytical skills.
  • Effective communication skills, both written and verbal.

Work Environment

The office is clean, orderly, properly lighted, and ventilated. Noise levels are considered low to moderate. Field conditions vary.

Exposed to various raw materials, including allergens (i.e. milk, eggs, fish, shellfish, tree nut, peanuts, wheat, soy).

Physical Demands

While performing the duties of this job, the employee may regularly require to talk, hear and grasp items. This position is active and requires standing, walking, bending, kneeling, stooping, crouching, crawling, and climbing all day.

The employee must frequently grasp, lift and/or move and carry items up to 10-50 pounds.

Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception and ability to adjust focus.

Additional Information
The Salary Range for this position at Lief Labs is $37.00-$40.00 (USD). Starting pay for the successful applicant depends on a variety of job-related factors, including but not limited to market demands, experience, training, skills, and education. The benefits available for this position include medical, dental, vision, 401(k) plan, life insurance coverage, wellness benefits, education reimbursement program, and PTO. This position is bonus eligible.

Lief is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex including sexual orientation and gender identity, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access our career center as a result of your disability. To request accommodation, contact the Lief Human Resources department.