Go See All Bilingual Jobs
Lief Labs Logo

Lief Labs




Lief Labs Is Hiring A Quality Control Sampler (On-site)

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 Control Sampler is responsible for collecting, preparing and analyzing samples of raw materials, in-process and finished products, and ensuring compliance with quality standards and regulations while retaining samples. This individual is the gatekeeper for all samples, including tracking incoming samples and outgoing samples to the various departments including the Quality Control unit.


  • Collect and prepare samples of raw materials, in-process and finished products, following established procedures and guidelines.
  • Pulls products, retains, raw material samples as required.
  • Ensures that all sample handling activities are performed according to applicable SOP's and cGMP requirements.
  • Interaction with the shipping/receiving dept. in the facility warehouse.
  • Inspects all incoming raw material containers; verifies accurate label information, lot numbers and associated paperwork; processed and efficiently transferred to the Quality Control Lab.
  • Tests for physical measurement of Packaging Components and specific Identification tests of various Raw Materials
  • Maintains electronic tracking of product retain samples and archive records.
  • Handles non-hazardous, hazardous and DEA waste according to environmental regulations and company/departmental procedures.
  • Helps maintain inventory of glassware, chemicals and materials needed for sampling and testing.
  • Communicates professionally and quickly with numerous departments, electronically, over the phone and in person regarding samples, process, questions, issues, etc.
  • Reviews documentation for completeness and accuracy.
  • Performs sampling, examination, review and release of packaging components.
  • Required to work shifts in support of the manufacturing process that may include, weekends and holidays. The work hours may change depending on departmental needs.
  • Perform other related project and duties as assigned by management.
  • Additional duties as assigned.

Supervisory Responsibilities


Minimum Qualifications



High school diploma or equivalent.


  • Minimum 1 Year Manufacturing environment experience
  • Bilingual communication skills a plus
  • GMP: 1 year (Preferred)

Skills/ AbilitiesProblem Solving

  • Planning & organizing
  • Verbal Communication
  • Written Communication
  • Relationship Management
  • Quality Orientation
  • Ability to interact at all levels
  • Ability to work as a team member
  • Flexibility/ adaptability/ multi-tasking

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 is frequently required to bend, sit, talk, move about, hear and speak. May be required to work in restricted spaces and/or under difficult lighting and access conditions.

The employee must occasionally lift and/or move up to 10-50 pounds and be able to use appropriate support equipment to lift and move greater amounts. Must be able to stand for approximately 8-10 hours.

Must be able to work independently, in a team environment, and drive projects to solution.

Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust focus. Employee is required to use properly use such safety equipment as is appropriate to the work to prevent injury to self or others.

Additional Information

The Salary Range for this position at Lief Labs is $17.00 - $ 20.00 (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.

Lief will consider employment-qualified applicants with criminal histories in a manner consistent with the requirements of the Los Angeles Fair Chance Initiative for Hiring.

Lief uses E-Verify to confirm work eligibility in the United States. E-Verify compares the information on your Form I-9, Employment Eligibility Verification, to official government records.