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Job DescriptionJob DescriptionLocation: Libertyville, IL
Salary: $119,300 – $164,100 per year
A global leader in advanced manufacturing is seeking a Principal Process Engineer – Injection Molding to join their high-performing team in Libertyville, IL. This engineer will lead process development, support daily production, and drive improvements across thermoplastic injection molding operations.
What You’ll Do:n
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- Develop and validate molding processes (IQ, OQ, PQ) for production n
- Troubleshoot production issues and identify root causes n
- Lead continuous improvement initiatives related to cost, quality, and efficiency n
- Define process parameters and implement process controls n
- Oversee the installation and validation of new equipment n
- Train production teams and support technology transfers n
What We’re Looking For:n
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- 10–15 years of experience in injection molding, tooling, and process development n
- Experience with scientific molding (RJG / E-Dart ) n
- Familiarity with cleanroom environments (Class 7 or 8) n
- Skilled in data/statistical analysis using Excel, Minitab, or similar tools n
- Degree or equivalent experience in plastics or injection molding engineering n
What You’ll Receive:n
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- Competitive compensation and full benefits n
- Matching 401(k), PTO, and tuition reimbursement n
- Growth-focused, respectful, and inclusive work culture n
If you're ready to take ownership of impactful projects and elevate your career, apply now.