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Eastman Chemical

Specialty chemicals and materials manufacturer

Senior Design Service Representative

Design EngineeringUpdated on Nov 14
Full-timePudong, Shanghai, ChinaNo salary listedIn-person

About the Job

Requirements

  • A PhD or Master's degree in mechanical engineering, polymer engineering, materials engineering, or a related field.
  • Preferably five years of experience using ANSYS Workbench for end-to-end modeling, solution setup, analysis, and post-processing.
  • Experience using ANSYS LS-DYNA for nonlinear and dynamic simulations.
  • Strong understanding of structural mechanics, materials science, creep, viscoelasticity, and elastic-plastic behavior.
  • Hands-on experience with static analysis, nonlinear contact, implicit and explicit dynamic analysis, modal and transient response, creep, stress relaxation, and viscoelastic material behavior.
  • Knowledge of plastic materials and manufacturing processes, including injection molding, extrusion, and blow molding.
  • Experience developing, calibrating, and validating material models using test data.
  • Experience applying simulation to plastic product design, failure analysis, and manufacturing-process evaluation.
  • Ability to complete iterative design and simulation updates efficiently and accurately.
  • Strong attention to detail, including model setup, material data, boundary conditions, mesh quality, and result interpretation.
  • Systematic problem-solving skills and the ability to work effectively with cross-functional teams.
  • Coding experience in Python to work seamlessly with Ansys simulation suites.
  • Fluency in spoken and written English, with the ability to prepare technical documentation and interpret engineering standards.

Responsibilities

  • Analyze the structural performance of plastic consumer products, including strength, modulus, creep, stress relaxation, and failure risk.
  • Perform simulations for static and dynamic loading conditions, including nonlinear contact, modal response, random vibration, shock, and drop impact.
  • Interpret simulation results and provide clear recommendations to improve product design, structural performance, and reliability.
  • Identify potential design risks early and develop practical design improvement plans.
  • Develop and calibrate material and constitutive models for plastic products, and validate simulation results against test data to improve prediction accuracy.
  • Lead root-cause investigations of field failures using nonlinear finite element analysis and manufacturing-process simulations. Reproduce failure conditions, identify design or processing issues, and recommend corrective actions.
  • Use open-source Python libraries such as PyAnsys and PyMechanical for secondary development as needed to automate and extend simulation workflows.
  • Work with product development teams from the early stages of design through commercialization.
  • Use modeling and simulation to provide feedback throughout the product development process, improve product performance, and accelerate product development.
  • Recommend key structural design parameters, such as wall thickness, ribs, and snap-fit features, based on simulation results.
  • Recommend suitable processing and manufacturing parameters using finite element analysis and process simulations for new materials and products.
  • Support design for manufacturability and help ensure that products can be manufactured consistently at scale.
  • Prepare, review, and maintain simulation reports that document assumptions, methods, results, conclusions, and design decisions.
  • Ensure that simulation work is accurate, traceable, and properly documented.
  • Communicate technical findings and recommendations to cross-functional teams.
  • Create and maintain a proprietary materials database, including measured and validated material properties for structural analysis.
  • Collaborate with research institutions, industry partners, and suppliers on advanced simulation methods and technology development.
  • Use Python and related tools, such as PyAnsys and PyMechanical, to automate and extend simulation workflows.

About the Company

Eastman Chemical

Specialty chemicals and materials manufacturer

Eastman Chemical Company, which brands itself as Eastman, is a global specialty materials company that develops and manufactures specialty chemicals, polymers, and cellulosic fibers. Its products include copolyesters such as Eastman Tritan and Cristal, Naia cellulosic fibers, Tetrashield protective resin systems, and recycled-content materials like Eastman PET Renew, developed with customers across roughly 13 industries including packaging, consumer goods, transportation, and textiles. A central part of its operations is molecular recycling, which converts hard-to-recycle plastic waste into feedstock for new materials at plants in Kingsport, Tennessee, Longview, Texas, and France. What sets Eastman apart is this circular-economy focus—its molecular recycling capacity and "It's the feedstock" model—paired with a broad specialty portfolio. The goal is to address challenges like climate change and plastic waste while supplying sustainable materials to industry.

Company size
5,001-10,000
Company stage
IPO
Headquarters
Kingsport, TN
Founded
1920

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