Job Description This role will act as a technology expert for Polyester product family. He or she will provide technology recommendations and guidance to other teams within Celanese such as the business management, stewardship, manufacturing, quality and others to achieve business goals and to make business decisions. Additionally, this role will have product development responsibilities. Responsibilities The individual will maintain internal product release criteria in line with manufacturing capabilities and customer requirements for commercial products and new products under development. The individual will provide technical support of business-critical manufacturing and supply issues to internal and external customers. He or she will be a steward of product data quality, communication and enable connections of product attributes to new customers and applications. The individual will take on development of new polyesters products as needed.

Required Skills and Qualifications:

Bachelor's degree in Materials Science, Polymer Science, Chemistry, Chemical Engineering, or a related technical discipline. Minimum of 5 years of experience in thermoplastics manufacturing, product development, application development, product management, or technical service within engineering polymers. Strong understanding of polymer characterization, analytical techniques, and material property testing methodologies. Demonstrated ability to influence and align objectives across technical, commercial, and operational functions. Experience troubleshooting complex product, process, or application-related issues. Excellent written, verbal, presentation, and customer-facing communication skills. Proven ability to manage multiple priorities and collaborate effectively in cross-functional environments.

Preferred Skills and Qualifications:

Advanced degree (M.S. or Ph.D.) in Materials Science, Polymer Science, Chemistry, Chemical Engineering, or a related field. Technical expertise with polyester resins, formulations, and applications. Knowledge of semi-crystalline thermoplastics, structure-property relationships, and performance optimization. Experience with injection molding, compounding operations, and twin-screw extrusion technologies. Working knowledge of statistical process control (SPC), Design of Experiments (DOE), and Six Sigma methodologies. Experience supporting product commercialization and customer qualification programs. Familiarity with sustainability initiatives, recycled content technologies, or circular economy applications within engineering polymers.