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Senior Manufacturing Engineer - injection molding

Job in Riverside, Riverside County, California, 92504, USA
Listing for: Cornerstone Management Solutions
Full Time position
Listed on 2026-06-06
Job specializations:
  • Engineering
    Manufacturing Engineer, Quality Engineering, Process Engineer
  • Manufacturing / Production
    Manufacturing Engineer, Quality Engineering
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below

Senior Manufacturing Engineer — LSR / EPDM / Medical Device The work matters here.

The components you'll engineer go into medical devices that keep people alive — Class I and II implantable and life-critical assemblies built to the tightest tolerances in the industry.

We're a precision elastomer manufacturer with 40+ years of heritage in critical silicone and rubber components. FDA registered. ISO 13485 certified. ISO 7 and ISO 8 clean rooms. Privately backed, growing fast, and actively investing in automation, robotics, and new program launches.

What You'll Own
  • Lead process development, optimization, and full validation (IQ / OQ / PQ) for LSR and EPDM medical device components in cleanroom production
  • Drive automation initiatives — robotics, vision systems, automated assembly — with real budget and leadership backing
  • Partner with tooling and equipment vendors to spec, source, and qualify molds, fixtures, and automation systems
  • Develop and own PFMEA, control plans, validation reports, and SOPs
  • Troubleshoot molding defects, contamination, tooling wear, and process variability on the floor
  • Support NPI from design review through production launch
What You Bring
  • Bachelor's in Engineering OR 6+ years of hands‑on injection molding experience
  • Direct experience with LSR, EPDM, and rubber molding processes
  • Process automation experience in a manufacturing environment
  • Strong written and verbal communication skills
  • Proficient in Microsoft Office (Excel, PowerPoint, Project, Word)
Bonus Why This Role Stands Out

This isn't a process babysitting job. You'll have the authority, budget, and organizational support to own automation and validation projects from concept through production. The team is hands‑on, the leadership is technical, and the growth runway is real.

If you've spent years in LSR or EPDM environments and want your work to mean something — this is the seat.

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Position Requirements
10+ Years work experience
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