Polymer Manufacturing Engineer (Level 7)

Description

Responsibilities

• Responsible for Design for Manufacturing (DFM) of major engineering projects involving part designs, injection molds, resin materials, cost control/value optimization, injection molding equipment, supplier management, plant and manufacturing processes in a centralized manufacturing engineering environment where a considerable amount of creativity and initiative is exercised.
• Work collaboratively with a diverse group of engineers, cross-functional engineers, or other engineering support personnel to drive quality into part designs and manufacturing processes throughout the entire program development cycle from part surface creation to mold validation.
• Lead suppliers (e.g., Tier 1 Part Suppliers, Tool Vendors, Hot Runner Suppliers, Material Resin Suppliers, and Injection Molding Filling Simulation Suppliers) in the development of thermoplastic parts and molds that produce optimal assemblies in the support of the Production Part Approval Process (PPAP).
• Lead suppliers in the development of optimized molding process conditions that yield high quality parts at reduced cycle times during mold validations.

Requirements

• Education: Plastics, Chemical, or Mechanical Engineering.
• 3-5 years of plastic processing and/or tooling experience.
• Softwares: NX, Modflow & Office
• Extremely high level of analytical ability where problems are unusual and difficult.
• High degree of interpersonal oral and written communication skills - ability to work across cultures and languages to achieve results.
• Working knowledge in latest version of Unigraphics or equivalent.
• Working knowledge of injection mold filling analysis such as Autodesk-Moldflow.
• Create tool concept sheets for critical parts / mold tooling as part of product development process standardized work for plastic parts. Seamlessly integrate tool concept sheets into a business process that facilitates allowable cost estimating. Closed loop follow-up on T1 validation outcomes as part of ME Polymer standard work to validate tooling.
• Continuously improve Tier I supplier and GM internal mold tool and manufacturing processes, integrating kaizen opportunities back to GMW standards and SOR Appendix E8 through Process Review Meetings.
• Support Strategic Tooling Initiative collaboration with Tier I's and STI sources to create highest value solutions. Establish and sustain transparent work flow process between tool concept sheet input and allowable cost output.
• Participated with Product Engineering development organizations to implement effective best practices.
• Experienced with Class -A- surface appearance requirements in the automotive industry associated with as-molded, painted and/or wrapped parts.
• Demonstrated capability to formulate solutions that optimize part design, tooling, and processing variables to enable low cost, high quality strategies.
• Collaborated globally in the development of plastic part and tool designs that enable low cost, high quality parts. Demonstrated ability to provide plastic part and tool design solutions through the use of mold filling analysis software that leads to quality parts with reduced mold debug time.

Desired skills

• Fosters collaboration and teamwork
• Champion of change
• Evidence strong character with integrity, honesty, accountability and trust
• Demonstrate initiative
• Problem-solving
• Sound communications (writing and verbal skills)

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DIVERSITY STATEMENT : General Motors is committed to being a workplace that is not only free of unlawful discrimination, but one that genuinely fosters inclusion and belonging. We respect and value what each individual contribution to our team, including their origin, education, sex, race, ethnic group, sexual orientation, gender expression and / or identity, religious context, age, generation, and disability. We believe that our ability to meet the needs and expectations of an increasingly diverse and global customer base is closely linked to the diversity and inclusion that we experience within General Motors.

This role is categorized as hybrid. This means the selected candidate is expected to report to a specific location at least 3 times a week {or other frequency dictated by their manager}.

The selected candidate will be required to travel < 25% for this role.

This job is not eligible for relocation benefits. Any relocation costs would be the responsibility of the selected candidate.

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We encourage interested candidates to review the key responsibilities and qualifications for each role and apply for any positions that match their skills and capabilities. Applicants in the recruitment process may be required, where applicable, to successfully complete a role-related assessment(s) and/or a pre-employment screening prior to beginning employment. To learn more, visit How we Hire.

Accommodations

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Client-provided location(s): Toluca, Mexico

Job ID: General_Motors-JR-202603743

Employment Type: FULL_TIME

Posted: 2026-03-11T00:00:45