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QC Chemist - I - 3rd shift

Jost Chemical Co Inc
Saint Louis, MO Full Time
POSTED ON 11/24/2025 CLOSED ON 2/8/2026

What are the responsibilities and job description for the QC Chemist - I - 3rd shift position at Jost Chemical Co Inc?

Are you ready to embark on a career where innovation meets excellence?  At Jost Chemical Company, we’re on a mission to push the boundaries of chemical manufacturing, delivering high-quality products that make a positive impact on global industries.

 

If you’re passionate about chemistry, dedicated to precision, and eager to contribute to a company that values both innovation and integrity, explore our exciting job opportunities.  Join us in shaping the future of chemical manufacturing at Jost Chemical Company, where your career is more than just a job – it’s a journey of growth and achievement.


Then, this position is right for you!

Founded in 1985, Jost Chemical is a global leader in the manufacture of high purity mineral salts for the nutritional, pharmaceutical and specialty markets. Expansion, growth of capabilities, and investment in people, lab and production equipment have been a part of Jost's company culture for 35 years. To learn more about Jost Chemical please visit www.jostchemical.com 

Our offer:

  • Shift Differential
  • Medical/Dental/Vision Plan Insurance, Short and Long-Term Disability and Life Insurance first of the month following 60 days.
  • 401k plan which includes safe-harbor contribution and discretionary match.
  • Paid Time Off (PTO) Employees eligible first day of employment.
  • 9 Company Paid Holidays (72 hours) each year.
  • Uniforms Provided
  • Foot Protection- annual allowance for all laboratory, maintenance and production employees.
  • 24-hour access to our free, on-site fitness center.
  • We provide Individual development, on-the-job training, and development programs designed to enhance your professional growth and development while ensuring you feel valued, inspired and appreciated at work.

Jost Chemical is an equal opportunity employer and affirmatively seeks diversity in its workforce. We consider applicants, and make all employment decisions, without regard to race, color, religion, creed, gender, national origin, age, disability, marital or veteran status, or any other legally protected status. We are committed to recruiting and retaining the best talent in the chemical manufacturing industry.

 

Background

  • Works under general direction of the Quality Control Manager in a c-GMP regulated manufacturing environment operating under Q7A standards.
  • Employees in positions at this level of the series exercise a considerable degree of independence in conducting a wide range of experiments requiring expertise in the application and adaptation of numerous research techniques and produce desired results.

Tasks

  • Perform analytical testing using wet chemistry techniques and instrumentation on c-GMP regulated products following compendial methods (USP/NF, EP, FCC, JP etc).
  • Perform microbiological testing on c-GMP regulated products using compendial methods.
  • Perform routine and non-routine testing using basic and advanced laboratory instrumentation and adhere to a strict calibration / preventative maintenance program.   
  • Interpret analytical data and assist chemical operators and chemical engineers with applying this data to the manufacturing process.
  • Write research methods, results, and conclusions for publication; may present at professional conferences.
  • Review scientific literature, abstracts, and applicable method papers; identify appropriate application for current or anticipated research projects.
  • Maintain data integrity in both written and digital form.
  • Prepare laboratory test solutions and perform standardizations of volumetric solutions.
  • May be required to inventory and order laboratory supplies, instruments, and reagents.   
  • Maintain a clean and organized work area.
  • Maintain and enhance site safety.
  • Instruct other personnel in specific areas of quality control laboratory testing.
  • Data mining and trending; Process Validation support; Root Cause Analyses; Problem Solving Tools use; Statistical Data trending; Support for Non-conformance Investigations; Production support activities.

Specifications

  • A.S or B.S. Chemistry or related technical field that included instrumentation, or industry experience.
  • 0-2 years professional level chemist experience.

Knowledge of:

  • Theories, principles, and methods of instrumental and wet chemistry
  • Method development and method validation
  • Mathematics and statistics
  • Basic analytical laboratory equipment
  • MS Office software package

Skill in:

  • Working effectively and efficiently on multiple projects at once
  • Working effectively in a team environment
  • Responding to rapidly changing demands

Ability to:

  • Lead and/or train others in assigned activities
  • Follow compendia and other test methods
  • Develop creative solutions to more varied research procedural problems
  • Design and manage projects
  • Identify, gather, process, and record data accurately
  • Maintain quality, safety, and/or infection control standards
  • Operate and maintain laboratory equipment
  • Communicate effectively, orally and in writing (including documenting research methods, results, and conclusions)
  • Exercise independent judgment



Salary : $28 - $33

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