Tooling Engineer

Molex; Naperville (IL); On-site; USD 105,000 - 145,000; Full time

Job summary

Molex, LLC is seeking a Tooling Engineer for their facility in Lisle, IL. This position involves leading manufacturing excellence in precision injection molding, collaborating with teams to optimize designs, and implementing process validation strategies.

The ideal candidate will have a Bachelor's degree in Engineering and over 7 years of experience in injection molding. The role offers an annual compensation of $105,000 - $145,000 and variable pay options.

Qualifications

• 7+ years of experience in injection molding and tooling.
• Experience working with global suppliers.
• Knowledge in precision or micro‑molding applications.

Responsibilities

• Lead optimization of injection molding processes for high‑precision components.
• Define and implement robust process validation strategies.
• Collaborate with teams to enhance tooling capabilities.

Skills

Injection molding

Cross-functional teamwork

Process validation

Root cause analysis

Education

Bachelor’s degree in Engineering or related field

Tools

Moldflow

Job description

Tooling Engineer at Molex, LLC. In this role you will drive manufacturing excellence for precision injection molding and tooling across Molex’s global network. The position partners closely with Product Development, Quality, and Supply Chain to enable scalable, high‑reliability solutions that meet customer and business needs.

Location: Lisle, IL (flexible to be located in Hudson, WI or Eden Prairie, MN).

What You Will Do

• Lead technical development and optimization of injection molding processes for high‑precision, high‑volume components
• Partner with Product Development teams to ensure designs are optimized for manufacturability, cost, and performance (DFM)
• Define and implement robust process validation strategies (IQ/OQ/PQ, DOE) to ensure repeatability and capability
• Drive tooling strategy from prototype through production, including mold design reviews and qualification activities
• Collaborate with global internal sites and external suppliers to build and improve molding and tooling capabilities
• Utilize simulation tools (e.g., Moldflow) to predict performance, reduce risk, and accelerate product development cycles
• Lead root cause analysis and continuous improvement initiatives to resolve quality or process issues
• Ensure alignment with Molex quality systems, including PPAP, PFMEA, control plans, and SPC methodologies
• Evaluate and implement advanced manufacturing technologies, including automation and additive manufacturing, to improve speed and cost
• Influence supplier performance through technical leadership, audits, and capability development

Who You Are (Basic Qualifications)

• Bachelor’s degree in Engineering or related field
• 7+ years’ experience in injection molding and tooling
• Experience working with cross‑functional teams and global suppliers

What Will Put You Ahead

• Experience in precision or micro‑molding applications
• Strong background with simulation tools (Moldflow or similar)
• Exposure to automation, digital manufacturing, or Industry 4.0
• Six Sigma or demonstrated use of statistical methods

Compensation: $105,000 - $145,000 per year, plus variable pay as a monetary bonus or in another form.

Visa Sponsorship: This position is not eligible for visa sponsorship.

Export Compliance: Applicants must provide proof of U.S. citizenship, lawful permanent resident status, or be eligible for an export authorization under ITAR/EAR.

Equal Opportunity: Equal Opportunity Employer, including disability and protected veteran status. Some offers of employment are conditioned upon successfully passing a drug test. This employer uses E‑Verify.