Mold Maturation Engineer

Overview

The MTNA Rainsville Plant is seeking a 1st shift Mold Maturation Engineer. The Mold Maturation Engineer plays a critical role in the development and industrialization of injection molds for automotive components. This position leads the end-to-end process of mold qualification, from initial trials through to production readiness, ensuring tooling performance aligns with automotive quality, cost, and timing standards. The engineer collaborates with cross-functional teams including design, tooling suppliers, quality, and production to deliver high-quality molded parts that meet rigorous Original Equipment Manufacturer (OEM) requirements.

• Lead mold maturation activities for new and modified injection tools for automotive parts (interior, exterior, under-the-hood, etc.).
• Oversee all mold trials (T0 through SOP), analyze results, and drive corrective actions.
• Evaluate tool performance with respect to cycle time, part quality, dimensional accuracy, and mold robustness.
• Interface with toolmakers globally to ensure tooling is built and modified to specification and timeline.
• Conduct root cause analysis of molding defects (e.g., warpage, sink marks, flash, short shots) and implement permanent corrective actions.
• Use mold flow analysis and simulation data to optimize part design and mold performance.
• Collaborate with Quality and Metrology teams to validate part dimensions using CMM, laser scan, and other techniques.
• Maintain full documentation of mold changes, validation reports, and lessons learned.
• Ensure tooling meets automotive standards including OEM specifications and internal validation criteria.

• Bachelor’s degree in Mechanical Engineering, Tooling Engineering, Plastics Engineering, or relative experience
• Proficiency in interpreting CAD drawings, Geometric Dimensioning and Tolerancing (GD&T), and tolerancing standards.
• Familiar with statistical process control (SPC), process capability analysis, and dimensional inspection tools.
• Knowledge of automotive product development processes
• Ability to manage multiple projects with tight timelines across global suppliers.
• Willingness to travel to tool shops, suppliers, and plant locations as needed.

• 3–5 years of experience in mold development or plastic injection molding, preferably in automotive.
• Strong understanding of injection molding process and plastic part behavior.
• Hands-on experience with mold flow simulation software (e.g., Moldflow, Moldex3D).
• Experience with OEM or Tier-1 supplier programs.
• Familiarity with plastic part validation requirements
• Knowledge of automotive product development processes

• Strong analytical and problem-solving skills
• Effective communication across technical and non-technical teams
• Project and time management under pressure
• High attention to detail and ownership of results

• PTO
• Medical Insurance
• Dental Insurance
• Vision Insurance
• HSA
• 401(k) with company match
• Company provided Life Insurance
• Company provided STD/LTD
• Voluntary Life Insurance
• Voluntary Accident, Critical and Hospital plans
• Pet Insurance
• Legal Insurance
• Health Insurance Opt-Out Benefit
• Safety Shoe and Safety Glass Reimbursements
• Tuition Reimbursement

Persons with disabilities who need accommodation in the application process may contact us for assistance. We thank all applicants for showing an interest in this position. Only those selected for an interview will be contacted.