Principal Scientist Residue Analytical Chemist


Principal Scientist Residue Analytical Chemist

Chesterfield, Missouri, United States

ID: 803192

Job Beschreibung


At Bayer we’re visionaries, driven to solve the world’s toughest challenges and striving for a world where 'Health for all Hunger for none’ is no longer a dream, but a real possibility. We’re doing it with energy, curiosity and sheer dedication, always learning from unique perspectives of those around us, expanding our thinking, growing our capabilities and redefining ‘impossible’. There are so many reasons to join us. If you’re hungry to build a varied and meaningful career in a community of brilliant and diverse minds to make a real difference, there’s only one choice.


Principal Scientist Residue Analytical Chemist 




The registration of the company’s crop protection products in North America requires a comprehensive safety evaluation, including a safety and risk evaluation dossier submitted to regulatory authorities. This position will have principal investigator or study director study responsibilities and may contribute in the development of trace residue analytical methods, the conduct of residue analyses in soil, water, air, plant, and animal, operating liquid chromatography mass spectrometers, the identification of unknown small molecules, and troubleshooting of technical issues to meet regulatory requirements for the purpose of obtaining pesticide registrations with various regulatory agencies. This position will involve laboratory testing. 


The primary responsibilities of this role, Principal Scientist Residue Analytical Chemist, are to: 


  • Performs, or guide performing laboratory based analytical residue studies to determine the behavior of BCS products in crops, soils, water, or animal matrices in full compliance with GLP standards;
  • Function as an Analytical Principal Investigator or Study Director for GLP studies, and ensure all tasks associated with the study are compliant;
  • Understand the appropriate chemistry guidelines at a working knowledge to support international product registrations and prepare study protocols that meet these requirements;
  • Solve day to day problems in study conduct thereby ensuring that studies progress to required deadlines;
  • Develop quantitative analytical methods and processing strategies for pesticide residues, and perform residue sample analysis from various matrices;
  • Possibly perform identification and confirmation of key degradants and metabolites from radiolabeled studies;
  • Evaluate data and prepares reports for submission to regulatory authorities ensuring that the study meets the required business objective;
  • Tailor reports to regulatory concerns, and communicates with members of the appropriate project/asset teams to ensure that work in progress remains aligned with the regulatory strategy;
  • Possibly plan and direct the work of junior team members performing study tasks, including mentoring in designing suitable studies, and taking overall responsibility for the completion of projects;
  • Possibly coordinate and review work of external contractor research organizations;
  • Accurately assesses and forecasts time and resources needed to complete assigned studies and projects;
  • Anticipate changes in project timing based on interpretation of current results and alert project management of significant departures; 
  • Maintain awareness of new developments in areas of expertise and make recommendations as to their adoption into Environmental Safety (EnSa) programs;
  • Be a participant in the EnSa Team process for area of expertise and contribute to the development of compound "issue documents", driving the resolution of any issues;
  • Represent BCS externally at industry meetings or at discussions with regulatory agencies;
  • Follow company compliance programs, and fully observe all workplace safety regulations.




Your success will be driven by your demonstration of our LIFE values. More specifically related to this position, Bayer seeks an incumbent who possesses the following: 


Required Qualifications: 


  • Bachelor's degree and experience in Analytical Chemistry, Metabolomics, or related field;
  • Ability to conducts complex scientific projects, and can prioritize tasks in a frequently changing environment; 
  • Technical expert in trace residue analysis using Liquid Chromatography coupled with mass spectrometry;
  • Excellent oral and written communication skills;
  • Experience in quantitative analytical method development and trace residue analysis in a variety of matrices, or experience in structure elucidation and confirmation of unknown small molecules;
  • Strong analytical technical troubleshooting and problem solving;
  • Working knowledge of global regulatory processes and guidelines for crop protection chemicals, and experience working under EPA and/or OECD Good Laboratory Practices regulations;
  • Demonstrated ability to work independently and collaboratively in a team-based environment, ability to guide junior members in the conduct of residue analysis and effective, accurate in tracking of time and study budgets.


Preferred Qualifications: 


  • Ph.D. and four years of relevant experience in Analytical Chemistry, Metabolomics, or related field; OR
  • Master's degree and eight years of relevant experience in Analytical Chemistry, Metabolomics, or related field; OR
  • Bachelor's degree and ten years of relevant experience in Analytical Chemistry, Metabolomics, or related field;
  • Two or more years utilizing coding and complex data analysis; Prior experience with using computer programming language such as Python for data analysis, automate process or report;
  • Experienced in leading project on cross functional and global team. 



Relocation may be offered for this role.


Bayer offers a wide variety of competitive compensation and benefits programs. If you meet the requirements of this unique opportunity, and want to impact our mission Science for a better life, we encourage you to apply now. Be part of something bigger. Be you. Be Bayer. 

To all recruitment agencies: Bayer does not accept unsolicited third party resumes.

Bayer is an Equal Opportunity Employer/Disabled/Veterans

Bayer is committed to providing access and reasonable accommodations in its application process for individuals with disabilities and encourages applicants with disabilities to request any needed accommodation(s) using the contact information below.

Bayer is an E-Verify Employer

Location:                 United States: Missouri : Chesterfield

Division:                  Crop Science

Reference Code:     803192 

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Bayer AG

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Location: United States of America, Chesterfield
Categories: analytical chemistry, analytical skills, PhD, Scientist,


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