Analytical Chemist

Job Title: Analytical Chemist

Location: Chesterfield, MO, 63017

Duration: 6 Months

Job Type: Temporary Assignment

Work Type: Onsite

Base Pay Range: $34.00/hr - $37.00/hr

Tek Wissen is a global workforce management provider headquartered in Ann Arbor, Michigan that offers strategic talent solutions to clients worldwide. This client is a German multinational pharmaceutical and biotechnology company, headquartered in Leverkusen, with a broad business portfolio including pharmaceuticals, consumer healthcare, agricultural chemicals, seeds and biotechnology products.

• Perform qualitative and quantitative analyses of chemical and physical properties of diverse organic compounds in agrochemical formulations to support the client’s R&D pipeline and product portfolio.
• Apply standard concepts, practices, and procedures within a high-throughput analytical chemistry laboratory environment.
• Plan and accomplish diverse, fast-paced analytical workflows with limited supervision.
• Execute routine and non-routine benchtop analytical tasks requested by diverse customers and stakeholders.
• Develop methods for determining chemical compositions of agrochemical formulations/products using HPLC/UPLC/LCMS/GC.
• Conduct physical-chemical characterization techniques such as density, particle size analysis, viscosity, surface tension, contact angle, thermal analysis by DSC/TGA, optical/electron microscopy, and FTIR/NIR/UV-Vis spectroscopy.
• Maintain and troubleshoot laboratory instrumentation.
• Communicate effectively with customers and stakeholders across R&D, manufacturing, and product supply.

• Enthusiastic team member with a strong Analytical Chemistry background relevant to chemical and physical analyses of agrochemical formulations and products.
• Self-motivated, self-starting, with the ability to adapt quickly to rapidly changing analytical/scientific situations.
• Strong communication skills and a passion for developing new skillsets.

• Join the Analytical Sciences Hub to support active ingredient analyses within R&D formulations and products.
• Respond to collaborator/partner inquiries and analytic/data troubleshooting/reporting requests promptly.
• Maintain meticulous approach to analytical work and data quality.
• Prepare complex liquid and solid matrices for qualitative and quantitative analyses.
• Optimize and develop new sample preparation and analytical methods to support R&D pipeline and existing products.
• Lead efforts to improve existing analytic methods and develop new methods as needed.
• Write reports and interpret/report analytical results to stakeholders across R&D, manufacturing, and product supply.

• BS in Analytical Chemistry or closely related field.
• Hands‑on experience preparing complex agrochemical sample matrices for analysis with HPLC/UPLC/LCMS/GC and related techniques.
• Experience maintaining and troubleshooting analytical instrumentation.
• Experience with sample preparation and method development for chemical samples.
• Experience with sample cleanup techniques to enrich active ingredients in chemical samples.
• Experience with robotic sample preparation desirable.
• Detail‑oriented and highly organized.
• Demonstrated commitment to teamwork.
• Strong oral and written communication skills.
• Timely and intelligent communications with demanding customers/stakeholders.
• Self‑motivated and self‑starting.
• Agile and able to respond to rapidly changing priorities.
• Ability to multitask in a high-throughput, fast‑paced, dynamic laboratory environment.
• Willingness to train and work across analytical disciplines.
• 1‑3 years of relevant experience.

Tek Wissen® Group is an equal opportunity employer supporting workforce diversity.