Crosslinked

One of 4,529 polymer and materials roles on Crosslinked, each read for materials, degree, visa and salary. See roles like this

SG

Principal Chemist

SI Group · Houston, TX4w agoverified 20 h ago
$150k – $180kfrom the posting

PhD-level R&D / Research roles on Crosslinked list a median of $131k (116 that show pay).

Lead innovation in chemical technologies for additives, rubber, adhesives, and plastics; manage R&D projects and support customers.

Apply
Elastomers/rubber · R&D / Research roles, by email
Apply

Worth knowing

Why it is interesting. Drive sustainable product development and leverage AI/data science in a senior R&D role with customer-facing impact.

Might not be for you. Requires 10+ years experience; role is more strategic leadership than hands-on bench work.

Bench and deskDeep specialist PhD-friendlySenior hires only Files patents regularlyRoom for your own research

Core polymer roleDevelop innovative chemical technologies and solutions for oil and gas production, transportation and industrial lubricants, fuels, rubber and adhesives, and plastics.

H-1B filings

SI Group filed 3 H-1B labor applications for scientist and engineer roles from Jan to Dec 2025.

Most common titles: Lead Application Chemist, Lead Applications Chemist. Median filed pay: $117K a year.

From U.S. Department of Labor disclosure data. A filing is a record of past hiring, not a promise about this role, so confirm sponsorship with the employer. Titles and filed pay ·Every employer's filings

Seniority
Staff/Principal
Work
On-site
Type
Full-time
Degree
PhD
Experience
10+ yrs
Industry
Chemicals
Role
R&D / Research
Schedule
Standard

Role details

Job Description

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.

About Us

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.

Related roles

Common questions

What is the salary for the Principal Chemist role at SI Group?

The listed annual base salary range is $150K–$180K. This figure is taken from the posting itself.

Does SI Group sponsor H-1B visas?

SI Group has filed H-1B petitions with the US Department of Labor in past years, but this specific posting does not explicitly mention sponsorship for the Principal Chemist role. Confirm with the employer before applying if visa support is required.

Where is the Principal Chemist role at SI Group based?

This role is based in Houston, TX.

What degree is required for the Principal Chemist role at SI Group?

The posting accepts the following combinations: PhD + 10 years, MS + 15 years, BS + 15 years.

How many years of experience does this Principal Chemist role require?

The posting calls for at least 10 years of relevant experience.

What polymers or materials does this Principal Chemist role work with?

rubber, adhesives, plastics.