Polymer Rheology: Analytical Testing Scientist

Exxon Mobil Corporation; Baytown (TX); On-site; USD 110,000 - 170,000; Full time

Benefits offered by this job

Pension Plan

Savings Plan

Workplace Flexibility

Medical, dental, vision plans

Employee Health Advisory Program

Job summary

ExxonMobil in Baytown, TX is seeking an Analytical Testing & Application Scientist in Polymer Rheology. You will lead rheology‑driven characterization programs, collaborate with product development, manufacturing, and research teams, and drive method development for advanced polymer analysis.

The role requires a PhD with 5+ years in polymer characterization and strong experience with rheological instruments, polymer fractionation, and structure‑property relationships.

Qualifications

• PhD in Polymer Science, Materials Science or Chemical Engineering with Polymer Physics background.
• 5+ years of experience in polymer characterization.
• 3+ years hands-on experience with rheological instrumentation.
• Strong knowledge of polymer fractionation techniques (GPC, TREF, CFC).
• Strong knowledge of rheological models to predict processing behavior.
• Knowledge of structure-property relationships relating polymer microstructure and rheology.
• Able to correlate rheological data with processing conditions.
• Identify root causes of processing issues.
• Excellent analytical thinking and problem-solving skills.
• Strong communication, collaboration, and leadership skills.
• Self-motivated with ability to manage multiple priorities.

Responsibilities

• Leverage expertise in rheology and polymer characterization to solve technical challenges and enable business growth.
• Collaborate across product development, manufacturing, and research to translate findings into solutions.
• Provide technical leadership in rheology and solid mechanical analysis.
• Develop, validate, and implement analytical methods for product development and manufacturing.
• Serve as SME for rheology and polymer fractionation with method stewardship and continuous improvement.
• Apply advanced analytical tools to relate polymer microstructure to performance.
• Work with cross-functional teams to address customer needs and opportunities.
• Evaluate and implement emerging characterization technologies.
• Provide technical insights and market feedback for future development.
• Monitor industry trends and communicate findings to stakeholders.
• Contribute to IP, publications, and conference presentations.

Skills

PhD in Polymer Science/Materials/C.E.‑

5+ years in polymer characterization

3+ years rheology instrumentation

Polymer fractionation techniques

Rheological models & processing

Structure‑property relationships

Relate rheology to processing

Root-cause troubleshooting

Analytical problem solving

Communication & leadership

Multi‑priority management

Education

PhD in Polymer Science/Materials Science/Chemical Engineering with Polymer Physics background

Tools

Rheometers

Capillary rheometers

DMA

GPC

TREF

CFC

Job description

ExxonMobil in Baytown, TX is seeking an Analytical Testing & Application Scientist in Polymer Rheology. You will lead rheology‑driven characterization programs, collaborate with product development, manufacturing, and research teams, and drive method development for advanced polymer analysis.

The role requires a PhD with 5+ years in polymer characterization and strong experience with rheological instruments, polymer fractionation, and structure‑property relationships.