Sr. Molding Engineer
Job in
Lincolnshire, Lake County, Illinois, 60069, USA
Listed on 2026-09-25
Listing for:
Sterling Engineering
Full Time
position Listed on 2026-09-25
Job specializations:
-
Manufacturing / Production
Manufacturing Engineer, Injection Molding, Quality Engineering -
Engineering
Manufacturing Engineer, Injection Molding, Quality Engineering, Process Engineer
Job Description & How to Apply Below
Lincolnshire, ILJob Type: Permanent Pay: $120000 - $150000
Posted:
Sr. Process Engineer – LSR / Rubber Molding Lincolnshire, IL | Direct Hire | $100,000–$135,000
Are you an expert in Liquid Silicone Rubber (LSR), High Consistency Rubber (HCR), or rubber/plastics molding?
We're looking for a Senior Process Engineer to lead the development, optimization, and troubleshooting of silicone and rubber molding processes. If you've built robust molding processes for LSR, HCR, silicone, rubber, or precision plastic components, this is an opportunity to make a significant impact.
What You'll DoDevelop and optimize LSR injection molding processes
Improve HCR injection, compression, and transfer molding processes
Lead DOE studies to improve Cp/Cpk, reduce variation, and increase process capability
Optimize cycle times, reduce scrap, and improve OEETroubleshoot molding issues including:
Flash Short shots
Cure variations
Knit lines
Voids
Dimensional variation
Establish standardized process parameters and work instructions
Lead root cause investigations using 5 Why, 8D, Fishbone, and other problem-solving tools
Support new product launches, mold qualifications, and production transfers
Partner with Tooling, Production, Quality, Maintenance, and NPI teams
Drive continuous improvement through Lean, Kaizen, SPC, and data analysis
What We're Looking For Silicone/Rubber Molding Experience is Highly Preferred We're specifically looking for engineers with hands-on experience in one or more of the following:
Liquid Silicone Rubber (LSR) injection molding
High Consistency Rubber (HCR) molding
Silicone molding
Rubber molding
Injection molding
Compression molding
Transfer molding
Precision plastics manufacturing
Medical silicone components
Industrial rubber products
Automotive rubber or plastic components
Qualifications
Bachelor's degree in Mechanical, Manufacturing, Plastics, Polymer, Materials, or related Engineering5+ years of process engineering experience in silicone, rubber, or plastics manufacturing
Strong knowledge of:
Scientific moldingDOESPCProcess validationAPQP/PPAP (preferred)
GD&T and engineering drawings
Proven ability to solve complex molding and manufacturing challenges
Preferred Experience Medical device manufacturing
Automotive, aerospace, or industrial products
Mold flow analysis
Solid
Works or other 3D CAD software
Automation and vision inspection
Overmolding and multi-shot moldingRJG or Paulson certification ISO 13485 or cleanroom manufacturing
Compensation & Benefits $100,000–$135,000
Comprehensive medical, dental, and vision insurance
401(k)
Paid Time Off Employee stock grant
Career growth with a global manufacturing leader
If your background is centered around LSR, silicone molding, rubber molding, elastomers, or precision plastics manufacturing, we'd love to connect.
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