What are the responsibilities and job description for the Process Engineer position at Sterling Engineering?
Process Engineer (Injection Molding)
Location: Libertyville, IL
Pay: $120,000 - $145,000/yr
Position Overview
We are seeking a hands-on Injection Molding Process Engineer to support and optimize molding operations at a new manufacturing facility with brand new molding machines and equipment. This role focuses on establishing robust molding processes, reducing scrap and cycle times, and driving continuous improvement across production. This is a floor-focused engineering role, working directly with molding presses, materials, and tooling to troubleshoot issues, develop stable process windows, and support validation and new product introductions.
Responsibilities
- Establish and maintain robust process windows for injection molded components using Scientific Molding techniques and DOE (Design of Experiments)
- Troubleshoot molding processes to identify and eliminate production defects
- Optimize processes to reduce scrap, improve cycle times, and increase manufacturing efficiency
- Conduct process validation and capability studies
- Support new product introductions including process development and equipment qualification
- Analyze workflow, equipment layout, and manufacturing processes to improve efficiency
- Create and maintain process documentation, including work instructions and setup instructions
- Support development and improvement of PFMEA and control plans
- Investigate root causes of equipment or process failures and implement corrective actions
- Collaborate with engineering, production, and quality teams on continuous improvement initiatives
- Assist with technical writing, including procedures, risk assessments, and process documentation
Required Experience and Skills
- Bachelor’s degree in Engineering
- 8 years of hands-on injection molding process experience
- Strong troubleshooting experience with molding processes and production defects
- Experience with hydraulic and electric injection molding presses
- Knowledge of molding equipment including dryers, loaders, blenders, hot runner systems, and related processing equipment
- Experience processing common resins such as Polypropylene, Polycarbonate, ABS, and Nylon
- Experience developing, evaluating, and improving manufacturing processes
Preferred Experience
- RJG Master Molder certification or Scientific Molding training
- Experience with DOE (Design of Experiments) and process validation
- Experience with EOAT, six-axis robots, and automation integration
- Background in regulated or high-precision manufacturing environments
Qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, or national
Salary : $120,000 - $145,000