Date Posted: 03/06/2026
Hiring Organization: Rose International
Position Number: 497993
Industry: Biotech/Healthcare
Job Title: Associate Chemist (Entry)
Job Location: Chesterfield, MO, USA, 63017
Work Model: Onsite
Shift: M-F first shift
Employment Type: Temporary
FT/PT: Full-Time
Estimated Duration (In months): 6
Min Hourly Rate($): 30.00
Max Hourly Rate($): 36.00
Must Have Skills/Attributes: Chemical Formulations, Chemistry, Laboratory, Science
Experience Desired: Experience in formulation development (1 yrs); Proficiency in chemistry/chemical engineering principles, including mass-balance calculations (1 yrs)
Required Minimum Education: Bachelor’s Degree
**C2C is not available**
Job Description
Interviews will be onsite at the Chesterfield, MO site.
PAY RATE $30.00-$36.00
Title: Associate Chemist (Entry)
Staffing Agency : Rose International
Client: Bayer
Location: onsite role. 700 Chesterfield Pkwy W, Chesterfield MO 63017
Shift: M-F First
Duration: 6 months to start - possible extensions based on business needs and performance
Employment Type: Temporary
***Drug screen & criminal background check will be required
POSITION SUMMARY
We are seeking a motivated individual to join our formulation and delivery team, where you will collaborate closely with research scientists to develop next-generation herbicide products. This role involves supporting both research and development activities as well as contributing to commercially launched products. You will evaluate the chemical and physical properties of various organic and inorganic substances, investigating their applications in formulated products while adhering to established guidelines and protocols.
EDUCATION / EXPERIENCE REQUIREMENTS
• Bachelor’s degree in Chemistry, Chemical Engineering, or a related field.
• At least 1 year of experience in formulation development or a related area.
• Background that includes hands-on laboratory work beyond analytical chemistry
• Industrial experience in formulation development with pesticides, foods, cosmetics, consumer products, or paints and coatings (preferred)
REQUIRED SKILLS
• Hands-on laboratory experience with genuine interest in performing lab work
• Knowledge of commonly used concepts, practices, and procedures in formulation science
• Proficiency in basic laboratory techniques and standard operating procedure
• Strong attention to detail and systematic approach to documentation
• Ability to work effectively under supervision and follow established protocol
• Competency in using various laboratory equipment and instrumentation
• Understanding of chemistry and chemical engineering principles, including mass-balance calculations
• Rheometer and interfacial measurement experience (preferred)
RESPONSIBILITIES
• Evaluate chemical and physical properties of organic and inorganic substances for formulated product applications
• Support research scientists in developing next-generation herbicide products
• Assist with research and development activities and provide support for commercially launched products
• Perform various laboratory projects following standard operating procedures and basic lab techniques
• Operate laboratory equipment including pH meters, mixers, agitators, homogenizers, and milling equipment
• Diligently record all laboratory tasks, procedures, and findings in the electronic laboratory notebook system
• Follow pre-established guidelines and instructions to complete assigned functions
• Conduct mass-balance calculations and apply chemistry and chemical engineering principles
- **Only those lawfully authorized to work in the designated country associated with the position will be considered.**
- **Please note that all Position start dates and duration are estimates and may be reduced or lengthened based upon a client’s business needs and requirements.**
Benefits:
For information and details on employment benefits offered with this position, please visit here. Should you have any questions/concerns, please contact our HR Department via our secure website.
California Pay Equity:
For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here.
Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances.
If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department.
Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).
Each time I contacted Rose, I was completely satisfied with the great attention and customer service I received. Each person was extremely knowledgeable and patient with my concerns or questions.
Diana, Consultant
As a contractor, I have to say that Rose International was by far the best agency I have worked for.
Q'testdalir, Consultant
I am very happy with the Rose International, and the professionalism of the employees.
Robin, Consultant
I have been very pleased with my experience with Rose International. Everyone that I encountered was very helpful and courteous.
Stephanie, Consultant
Your team at Rose International is always very helpful and responsive.
Barbara, Consultant
EMPLOYEE COMMENTS