A Molding Process Engineer develops and engineers improvements in injection molding processes at a manufacturing company. Modifies or creates machines used for injection molding, assists with set up and troubleshooting for equipment, and develops materials to be inserted into molds to create products. Assists with implementing new production and process technologies.
At Milwaukee Tool, we believe our people and our culture are the driving forces behind our success. As a Senior Process Engineer , you will serve as the technical specialist for plastic injection molding — leading process development, optimization, and long-term sustainment. You will drive manufacturing excellence through data-driven decision-making, advanced process control, and continuous improvement .
Key Responsibilities:
Develop, optimize, and sustain injection molding processes using scientific molding principles to achieve quality, delivery, and cost targets. Define and validate robust process windows, control strategies, and safeguards using DOE, Cp/Cpk, and statistical methods. Support tooling lifecycle activities, including design reviews, build validations (T0/T1/Tn), and continuous process/tooling improvements. Drive root cause analysis and corrective/preventive actions for molding-related defects, leveraging data to eliminate systemic issues. Partner cross-functionally with design, tooling, quality, and operations to ensure manufacturability and performance targets are met. Identify trends through process and quality data to drive continuous improvement and defect reduction initiatives. Create and maintain standardized process documentation (SOPs, control plans) to ensure repeatability and scalability. Provide technical leadership, training, and support to manufacturing teams to strengthen process capability and execution. Education and Experience Requirements BS in Plastics Engineering Technology or equivalent 5+ years of hands-on thermoplastics processing experience. RJG Master Molder I/II strongly preferred. Demonstrated expertise in scientific molding, process validation, and process troubleshooting. Strong understanding of mold design, tooling principles, material data, molding machines, auxiliaries, and process monitoring tools. Robotic programming and troubleshooting required. Strong problem-solving skills (A3 / 5 Why / 8D) and attention to detail are essential. Preferred Proficiency in CAD/CAE Great to have Six Sigma Yellow or Green belt. Milwaukee Tool is an equal opportunity employer.
