Process Engineer - Injection Molding

Milwaukee Tool • Cookeville, TN

1d

About The Position

At Milwaukee Tool we firmly believe that our People and our Culture are the secrets to our success -- so we give you unlimited access to everything you need to thrive and deliver your best. Behind our doors you'll be empowered every day to own it, drive it, and do what it takes to support the biggest breakthroughs in the industry. Meanwhile, you'll have the support and resources of the fastest-growing brand in the construction industry to make it happen. Learn more about our story HERE. Your Role on Our Team: The Injection Molding Process Engineer is responsible for developing, optimizing, and supporting injection molding processes to ensure consistent production quality, efficiency, and safety. This role provides technical expertise during new tool launches, troubleshooting, continuous improvement activities, and equipment validation. The engineer works closely with production, quality, tooling, and maintenance teams to enhance overall manufacturing performance.

Requirements

• Bachelor’s degree in Mechanical Engineering, Plastics Engineering, Manufacturing Engineering, or related field; or equivalent experience.
• 3+ years of hands-on injection molding process experience.
• Strong understanding of scientific molding principles (RJG/Decoupled Molding).
• Knowledge of plastic materials, drying methods, and material flow behavior.
• Experience with mold setup, process troubleshooting, and tool/machine interactions.
• Familiarity with statistical process control and data analysis.
• Strong problem-solving skills and ability to work cross‑functionally.

Nice To Haves

• RJG Master Molder I or II certification.
• Experience with high‑volume manufacturing environments.
• Knowledge of automation, robotics, or end‑of‑arm tooling.
• Experience with CAD or mold-flow simulation software.

Responsibilities

• Develop, establish, and optimize injection molding processes to meet quality and productivity goals.
• Conduct root-cause analysis and implement corrective actions for molding defects such as flash, short shots, splay, warpage, burns, and dimensional issues.
• Lead process validation activities for new molds, equipment, and materials.
• Create and maintain standardized work instructions, setup sheets, and process documentation.
• Support new mold trials, sampling, debugging, and tool acceptance.
• Collaborate with tooling vendors and internal tooling engineers to evaluate tool design and recommend improvements.
• Monitor process capability and implement data-driven improvements.
• Work with material suppliers on resin selection, drying parameters, material flow issues, and troubleshooting.
• Implement lean manufacturing and continuous improvement initiatives (5S, kaizen, scrap reduction, cycle time improvement).
• Train and mentor technicians and mold setters on proper molding setup and troubleshooting techniques.
• Supervise technical team
• Ensure compliance with safety, quality, and regulatory requirements.
• Manage and maintain ISO-controlled documents for the molding department, ensuring compliance with ISO 9001 standards, document revisions, approval workflows, and controlled distribution.

Benefits

• Outstanding Medical Coverage: Choose from three plans—with deductibles starting at just $500. Milwaukee Tool covers most of the premium costs, so you pay significantly less.
• Dental, and Vision Coverage: Comprehensive coverage plus a substantial vision allowance.
• Employee Assistance Program: Free confidential counseling sessions and mental health support.
• 401(k): Generous company match of 50% on the first 8% you save, with immediate vesting.
• Education Assistance: Invest in your future with our outstanding tuition reimbursement program, designed to support your educational and career goals.
• Flexible PTO: Generous paid time off on an annual basis.
• Paid Parental Leave: Paid leave to bond with your new child.
• Employee Discounts: Exclusive savings on Milwaukee Tool products and third-party services.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level