Enter a job title or keyword

Principal R&D Engineer TPU Chemistry and Processing

XPEL


Job Location:

San Antonio, TX - USA

Monthly Salary: Not provided by the employer
Posted: 1 July 2026 (30+ days ago)
Application Deadline: 28 September 2026
Vacancies: 1 Vacancy

Job Summary

Job Summary:

The Principal Research and Development Engineer will lead and oversee their respective area(s) of development of XPELs core technology.

Core Duties

  • Lead fundamental research into TPU/EPU polymer architecture (soft/hard segment ratios chain extenders isocyanates) and their effects on optical thermal and mechanical performance.
  • Correlate polymer chemistry with durability weathering resistance and long-term stability.
  • Establish lab-scale extrusion and film casting protocols for transparent and optical-grade films.
  • Define critical processperformance relationships including haze tensile strength elongation tear resistance and environmental durability.
  • Optimize formulation and processing parameters for high clarity low birefringence and minimal defects.
  • Build and maintain a competitive intelligence database of global TPU chemistries extrusion processes and film performance benchmarks.
  • Conduct accelerated aging optical and mechanical testing to validate long-term performance targets.
  • Translate lab-scale polymer synthesis and extrusion processes to pilot and full production scale.
  • Collaborate with process engineers manufacturing teams and external partners to ensure successful technology hand-off.
  • Identify and protect intellectual property opportunities in TPU/EPU chemistries extrusion processes and film applications.
  • Stay at the forefront of polyurethane and optical polymer science to drive continuous innovation.
  • Provide robust technical solutions to new product development initiatives and lend support to sales and product management teams
  • Bridge the gap from bench scale testing to industrial manufacturing processes by taking a lead role in the scale up process
  • Develop plans and procedures for specifications & fabrication of components integration of technologies balancing cost & manufacturability
  • Serve as technical interface to vendors and manufacturers
  • Continue to improve upon existing process and product through research and development in the specific area of responsibility
  • Remain versed and up to date on polymer chemistry extrusion and other emerging technologies in the film industry
  • Develop and execute testing methodology necessary to ensure products meet industry standards
  • Develop a roadmap for next gen product innovations and lead platform level programs
  • Other duties as assigned

Basic Qualifications

  • B.S in Chemistry Polymer Science Materials Science Chemical Engineering or related field with 8 industrial experience
  • Strong background in polyurethanes thermoplastic elastomers and optical polymer systems.
  • Proven hands-on experience with TPU/EPU synthesis film extrusion and coating processes.
  • In-depth knowledge of structureproperty mapping for polyurethane materials.
  • Strong understanding of processing variables (temperature shear residence time) and their effects on polymer morphology and film performance.
  • Proficiency with optical and mechanical testing: haze gloss tensile elongation modulus durability and weatherability.
  • Familiarity with additives (stabilizers antioxidants UV absorbers) and their influence on film performance.
  • Technical expertise in thermal mechanical and optical properties for polymer multilayer films using advanced analytical tools like DMA/DHR DSC FTIR TGA GPC/MS profilometer etc.
  • Track record of patent generation and/or publications in polyurethane or optical polymer fields.
  • Demonstrated experience working with interdisciplinary teams to drive programs from concept to production/commercialization
  • Strong problem-solving and data-driven decision-making ability
  • Strong understanding of design of experiments and corresponding data analysis
  • Excellent communication skills with the ability to explain complex technical concepts to non-technical stakeholders
  • Proven record of innovation IP contribution and technical leadership
  • In-office role

Desired Qualifications

  • Advanced Degree preferred

XPEL is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.


Required Experience:

Staff IC


About Company

Company Logo

@id

View Profile View Profile