Senior Functional Chemist

Stepan is seeking a Senior Functional Chemist to join our R&D team at the Global Technology Center in Northfield, IL. This onsite position reports to the R&D Alkoxylation Group Leader and involves working in a laboratory setting to synthesize samples, perform analyses, interpret and communicate data, and help design the overall strategy for assigned projects. The role will support core surfactant technology in alkoxylation and work closely with R&D and manufacturing sites by executing project tasks and implementing technical solutions.

This role includes ownership of general Alkoxylation projects, offering opportunities to expand technical expertise, develop new skills, and collaborating with cross-functional teams across R&D and manufacturing. We are looking for a self-motivated, detail-oriented, and collaborative scientist with a strong commitment to innovation and continuous learning.

Key Responsibilities:

• Execute alkoxylation projects independently in a timely manner, following established methods and drawing data-driven conclusions.
• Operate and maintain lab-scale pressurized chemical reactors within the alkoxylation R&D team.
• Presents technical information (new products, technologies, methods, synthetic/innovation strategies, etc.) to both internal and external customers to enhance relationships and support sales.
• Support cross-functional projects (Innovation, TSRs, NPIs, PCOMs, Product/Process Development, Synthesis, Regulatory).
• Apply technical expertise to troubleshoot issues and champion successful project outcomes.
• Perform analytical testing (NMR and GPC) and routine chemical analyses using potentiometric techniques.
• Analyze, interpret, and communicate data to support R&D activities.
• Maintain accurate laboratory documentation, including up-to-date electronic notebook, final reports, and project time tracker.
• Communicate project results clearly through written reports and cross-functional updates.
• Adhere strictly to safety and waste management policies through direct communication with EHS&S manager and maintenance staff.
• Contribute to process improvements, knowledge sharing, and team development.
• Manage laboratory supplies and support project resource planning.
• Maintain knowledge of external industry trends by reviewing IP and peer-reviewed literature.

• 5 years of research experience in an organic chemistry lab.
• Strong organization, people, writing and communication skills.
• Demonstrated ability to quickly learn new technologies (instrumentation, test methods, software, etc.)
• Strong initiative and desire to work in a team environment.
• Experience working in a lab environment with a strong commitment to safe lab practices.
• Preferred experience handling pressurized chemistry reactions.
• Demonstrated hands-on chemistry lab skills with strong attention to detail and the ability to accurately follow written procedures, keep an up-to-date electronic lab notebook and write final reports.
• Experience with analytical chemical methods such as acid/base value, hydroxyl value, saponification value, etc.
• Experience with laboratory analytical instruments such as NMR, GPC, and potentiometric titrators.
• Must be able to work onsite in our Northfield laboratory.
• Capable of extended periods of sitting, standing, and computer use, with the ability to safely access materials in elevated storage areas.
• Must use proper Personal Protective Equipment (PPE) including respirator used when needed, while working in the lab.
• Proficiency in Microsoft Office applications such as Word, Excel, PowerPoint, Outlook and Co-Pilot.

• Bachelor’s degree with 5+ years of experience or Master’s in Chemistry with 3+ years of experience or a closely related science field

Pay Range: $77,000 - $115,000

The salary range for this…