Senior Process Engineer - Plastic Extrusion
The Lubrizol Corporation
Corona, CA
Job Title: Sr. Process Engineer Location: Corona, CA Type of Job: On-Site Pay Range: $121,000 – $140,000 base with 6% bonus About Lubrizol The Lubrizol Corporation, a Berkshire Hathaway company, is a specialty chemical company whose science delivers sustainable solutions to advance mobility, improve wellbeing and enhance modern life. Founded in 1928, Lubrizol owns and operates more than 100 manufacturing facilities, sales, and technical offices around the world and has about 8,000 employees. For more information, visit We value diversity in professional backgrounds and life experiences. By enabling a consistent, unbiased, and transparent recruitment process, Lubrizol seeks to create a positive experience for candidates so we can get to know them at their best. We recognize unique work and life situations and offer flexibility, ensuring our employees feel engaged and fulfilled in every aspect of life. Join Our Thriving Team at Lubrizol as a Senior Process Engineer Unleash Your Potential. At Lubrizol we're transforming the medical device industry and looking for exceptional talent to join us on this journey. If you are ready to join an international company with talent around the world, and want to make a real impact, we want you on our team. What You'll Do As a Senior Process Engineer , you'll be at the forefront of our innovation, providing technical assistance and engineering support to the manufacturing group. You'll collaborate with a diverse group of passionate individuals to deliver sustainable solutions to advance mobility, improve wellbeing and enhance modern life. Your work will directly impact improving existing processes, developing new and cost-effective manufacturing concepts, as well as training production operators, and engaging maintenance personnel in resolving equipment problems using systematic methods of troubleshooting, root cause analysis, and irreversible corrective action implementation. The Senior Process Engineer will be assigned to support all functions of the manufacturing areas. What We're Looking For
- Drive an overall improvement of our extrusion processes: increased safety, increased quality, reduced scrap.
- Conceive and develop new cost-effective manufacturing concepts using lean methodologies.
- Engage maintenance personnel in resolving process and equipment problems using systematic methods of troubleshooting, root cause analysis, and irreversible corrective action implementation.
- Participate and provide technical expertise our manufacturing floor including Extrusion, Secondary ops, assembly and packaging.
- Drive our processes to meet customer cost and quality requirements.
- Lead flawless launches of new product activities through active participation in FMEA, PFD, part and tool design reviews, Kaisen and other cross-functional team events.
- Provide technical evidence and responses to customer service/customers as required.
- Mentor extrusion technicians and engage maintenance personnel in resolving, tooling and equipment problems using systematic methods of troubleshooting, root cause analysis, and irreversible corrective action implantation.
- Drive validation and qualification (IQ/OQ/PQ) protocols for new product, equipment, tooling and processes as directed.
- Follow SOP on re-validation of existing equipment, tooling and processes.
- Work closely with internal and external Project Engineers in developing processes that meet customer expectations on cost, quality and delivery of new product development.
- Document lessons learned and report status of all projects and assignments in a timely manner.
- Generate, update and implement process documentation, to include PCO’s, operator work instructions, manufacturing procedures, sample requests, process, inspection and troubleshooting guides.
- Close assigned CAPA’s in a timely manner.
- Complete projects and report status in a timely manner. Utilize project management tools in establishing timelines, building action item list and completing milestones.
- Understand and follow the SOP’s pertaining to the specific area.
- Understand and follow the work instructions pertaining to the specific area.
- Communicate clearly and concisely, both orally and in writing.
- Assists cost accounting in establishing new or revised standard costs for new or existing product lines.
- Support the conversion of small –scale processes into commercially viable large-scale operations.
- Bachelor’s degree in mechanical, chemical, biomedical engineering or related field.
- 2-3 Years technical experience with thermoplastics extrusion.
- Experience with plastic extrusion processes
- Experience with Root cause analysis, Six Sigma tools
- Six Sigma Green or Black Belt (strongly preferred)
- Lean Manufacturing (strongly preferred)
- Excellent (written and verbal) communication and effective human interaction skills.
- Physical demand for this job is considered frequently lifting between 10 to 25 pounds at medium level and occasionally lifting up-to 55 pounds only.
- May frequently be subject to sustained bending, using hands to finger or handle or touch, use foot/feet to operate machine with constant exposure to dynamic standing/sitting.
- Occasionally, be exposed to static standing/sitting, pushing (55 lbs. of force).
- Floor to knuckle lift/lower (55 lbs.)
- Knuckle to shoulder lift/lower (55 lbs.)
- Shoulder to overhead lift/lower (55 lbs.)
- Climb/balance, stoop, kneel, crouch or crawl; reach above shoulders and repetitive bending or squatting
Posted 2026-01-03
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