Principal Chemist
SI Group
Houston, TX · Posted September 2, 2026
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How AI is used in this kind of work
Among chemists, AI is already used for some of the tasks. Measured exposure for chemists: 26% (some).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
As the Principal Chemist, reporting to the Sr. Director - R&D, you will be responsible for leading innovation efforts to provide best in class solutions to customers. Additionally, you will evaluate possible innovation platforms and prioritize for development based on business strategy as well as financial, technical and probability criteria to execute business growth.
How You Will Make an Impact:
Product Innovation and Technical Leadership
Develop innovative chemical technologies and solutions for oil and gas production, transportation and industrial lubricants, fuels, rubber and adhesives, and plastics.
Serve as a technical expert and trusted advisor to the R&D synthesis team
Advance sustainable products designed to minimize environmental impact
Connect our technical capabilities with emerging customer needs and market opportunities
Collaborate with customers and cross-functional teams to develop and advance new ideas
Stay current on technology trends aligned with SI Group’s market strategies
Create intellectual property through new products, processes, and methods that strengthen our differentiated portfolio
Lead the selection, implementation, and support of innovative technologies, including artificial intelligence, data science, and predictive analytics
R&D Project Management and Safety
Build and execute project plans with clear tasks, timelines, milestones, and resources
Lead projects based on internal and external customer requirements
Anticipate challenges, remove barriers, and identify opportunities to improve execution
Track project progress, costs, timelines, and risks; communicate updates and recommended solutions to stakeholders
Maintain accurate project records and a repository of technology and product development reports
Promote a clean, safe, and healthy workplace by following safety practices, using protective equipment properly, and reporting potential hazards
Customer and Cross-Functional Support
Generate product performance data that supports compelling customer value propositions
Provide technical guidance to customers and Technical Service teams during product evaluation, implementation, and use
Partner with Pilot, Manufacturing, and Process Technology teams to transfer new products successfully and troubleshoot current products
Support Regulatory, Marketing, Business Development, and Product Management with technical data and product materials
Capture and share lessons learned to strengthen future development and support
Represent SI Group through customer presentations, lunch-and-learn sessions, and industry conferences
Creating Extraordinary Starts With:
PhD and a minimum of 10 years of relevant industry experience (Postdoc counts as experience); or
MSc and a minimum of 15 years of relevant industry experience; or
BSc and 15 or more years of relevant industry experience
The salary range for this position is $150,000-$180,000. The specific rate offered will be determined by a variety of factors including location, experience, and education.
Essential Solutions with Extraordinary Results
SI Group is a global leader in the innovative technology of performance additives, process solutions, active pharmaceutical ingredients, and chemical intermediates. Our solutions are essential to many diverse industries and applications, creating extraordinary results. We drive value by enhancing the quality, performance, and durability of countless items we use every day.
We are on a journey to captivate our customers at every level. Whether that means expanding our capabilities, global reach, or providing new innovations and technologies that create value. Our approach is customized to exceed customer needs and deliver superior performance.