Job Title: Senior Natural Products Chemist
Industry Sector: Natural/Organic Food & Beverage, Natural/Organic Personal Care/HABA, Supplements/OTC
Job Categories: Nutritionist/Herbalist
Production - Manufacturing
Quality Assurance/Control

 Contact Information
Company Name: Threshold Enterprises, Ltd.
  Address: 23 Janis Way
Scotts Valley, CA 95066
United States
  Company Phone: 831-438-6851
Web Site:

Job Description
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The Position: Senior Natural Products Chemist

Summary of Job Duties:

The Senior Natural Products Chemist will play a leadership role in critical projects including the development of new dietary supplement products and the support of existing products. This position will collaborate interdepartmentally with QC and R&D, in addition to working with out of house resources, to develop analytical methods for the characterization of raw materials, to provide scientific substantiation for label claims, and to ensure that all products meet regulatory requirements.

The Senior Natural Products Chemist will develop, and will collaborate with the Quality Control Lab team in the development of, new methods and the review and improvement of existing methods, processes and practices. This position will play a crucial role in developing and executing strategies to improve GMP compliance and achieve company and departmental goals.

Specific Job Duties:

  1. Develop, adapt/adopt, and perform methods for analysis, quantitative and qualitative, of materials and manufactured products following GMP and documentation requirements (primarily HPLC and LC/MS).
  2. Utilize, where appropriate, existing method development, adaptation, and adoption pathways, including the use of published literature, and/or develop acceptable pathways.
  3. Train analysts in the use of the methods developed.
  4. Provide leadership for and collaborate with the QC Laboratory in developing / adapting methods to perform all required analytical processes for the development of new dietary supplement products and for the evaluation of existing products.
  5. Collaborate with the QC Production Laboratory to improve existing methods and processes.
  6. Provide expert review and guidance regarding methods, processes, and results in QC and in production of dietary supplements.
  7. Consult with other departments, and review methods, materials, and equipment, to identify and implement improvements in all aspects of method development and method application.
  8. Use compendial resources to develop and implement GMP compliant processes in Quality Control of dietary supplements.
  9. All other tasks assigned by Management.

Minimum Qualifications Required:

  1. Ph.D. in Pharmacognosy, Biochemistry, Chemistry, Food Science, or related field, or M.S. with 5 years relevant experience.
  2. Natural products chemist with experience in identity and quality testing of Ayurvedic, Chinese, and western botanical raw materials and extracts.
  3. Comprehensive knowledge and experience in analytical and quality control method development for HPLC and/or LC-MS; also prefer TLC, GC-MS.
  4. Knowledge and experience in formulation, development, and quality control of dietary supplements and /or natural products.
  5. Degree in Pharmacognosy or Chemistry or Food Science and Technology or a related field with an expertise in analyzing botanicals or an equivalent education and experience.
  6. Excellent written and verbal communication skills.
  7. Ability to interact productively and effectively with a wide variety of people and to facilitate the teamwork needed to efficiently accomplish product development and production goals.
  8. Well versed in using Microsoft Office applications, particularly Excel.
  9. Positive attitude, team player. Self-motivated, willing to ask questions and take initiative.

Skills and/or Training Desired:

  1. In depth knowledge of DSHEA, dietary supplement labeling requirements, and 21 CFR Part 111.
  2. 5 years in the dietary supplement industry and / or related industry.
  3. In depth knowledge of key herbal monographs and knowledge of morphological, organoleptic, and microscopic analysis of botanical ingredients.
  4. Experience establishing regulated R&D, analytical chemistry and / or natural product research laboratories.

Job Location: Scotts Valley, CA
Country: United States
Position Type: Full Time
Employee May Telecommute: No
Job seekers must live within: No preference
Required to Relocate: No
Required to Travel: No
Minimum Experience Required: 5-7 years

Job Application Web Site:


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