Senior Process Engineer

Lubrizol · Corona, CA

Level: Senior
Team: Process
Base pay: $120k–$140k
Degree: Preferred
Experience asked: 5+ years
Certification: Black Belt preferred
Industry: Chemicals
Posted: 28 days ago

The role in 30 seconds

A senior process role at Lubrizol (chemicals) in Corona, CA. Standing, walking, or operating equipment for extended periods.

They ask for: 5+ years · degree preferred · Black Belt preferred
Tools it names: Lean, Six Sigma, Black Belt, Root cause, FMEA, CAPA
Base pay: $120k–$140k
Day to day: some off-shift / weekend coverage

Read from the posting. The full description is below.

From the plant jobs report · week of October 19, 2026

Process Engineer roles in California: typical posted base $120k–$171k. This one lists $120k–$140k.

Median of the low and high ends of 59 live postings that list pay, out of 94 process engineer openings in California, read from manufacturers' own careers sites.

California plant jobs report →Pay by team and state →What moves pay →

How this role compares

Against 93 other live process postings in California.

Base pay: About 11% below similar roles
Experience asked: Typical (5+ years)

Skills these teams ask for most

✓ Root cause 46%
DOE 31%
SPC 29%
✓ Validation (IQ/OQ/PQ) 22%
✓ New product launch 22%
Team leadership 21%

✓ = this posting asks for it too. % = share of similar postings that mention it.

Stands out: this posting asks for Black Belt, CAPA, Extrusion, which few similar roles mention. If you have it, lead with it.

It asks for 5+ years. If you're close, apply anyway: requirements are a wish list. Talk to someone doing this work there first.

At a glance

Off-shift / weekend coverage

Pulled from the posting text. If it's not listed here, the posting didn't say.

How to get in at this plant

Five moves over a week or two. The first one takes ten minutes.

1
Pick 2–3 people on the Process team at Lubrizol
Engineers who joined in the last year or two reply the most. Use the team search on this page to find them.
2
Send a short, curious note
One real question about their work. No favors yet. Each person gets a different note, written for this role.
3
Turn a reply into a short call
Questions worth asking about this team:
- What does a normal week look like on your team?
- Is the work mostly new product launches or sustaining existing lines?
- How much time do you spend on the floor versus at a desk?
- How does off-shift and weekend coverage work?
- The posting mentions a Black Belt. Does the company sponsor certification?
4
Apply with someone vouching for you
If the call went well, ask whether they’d pass your résumé to the hiring manager. Send your résumé link, apply that day, and let them know.
5
Bring proof to the interview
One page of before-and-after numbers from projects you led: scrap, OEE, cycle time, cost. Plant managers hire on results.

This plant: Lubrizol in Corona

2 other open roles at this site.

Operations Manager · Production · Manager
Facilities & Maintenance Manager · Reliability · Manager

Full description from LubrizolAs posted on their careers site.Show

Required Qualifications

that Enable Your Success

✓BS Degree in an Engineering discipline (Chemical, Mechanical or Biomedical preferred)
✓5+ Years of experience in an industrial environment including Co-op experience.
✓Experience with Root cause analysis
✓Excellent (written and verbal) communication and effective human interaction skills.

Preferred Qualifications

that Drive you Forward

✓Experience with Thermoplastics extrusion, molding and/or assembly process is strongly preferred.
✓Six Sigma Green or Black Belt
✓Lean Manufacturing
✓Flexible to change, and possess a high degree level of integrity and “can do attitude”.
✓Able to comprehend college algebra, college physics, basic chemistry, statistics and unit conversion.
✓Able to learn fast and multi-task.

Your Work Environment

At Lubrizol, we’re committed to providing a safe, inclusive, and empowering environment where you can do your best work—whether in a lab, on the production floor, or in a hybrid office setting. Depending on your role, your work environment may include:

✓Standing, walking, or operating equipment for extended periods
✓Working in a lab or manufacturing setting with appropriate PPE provided
✓Use of computers and digital tools in an office or hybrid environment
✓Occasional lifting or movement of materials
✓Adherence to rigorous safety protocols and ergonomic standards

We continuously invest in our facilities and technologies to ensure they support your well-being, productivity, and growth. If you require reasonable accommodation, we are committed to working with you to ensure an inclusive and accessible experience.

Show full description ↓

Shape the Future with Us.

At Lubrizol, we’re bringing to life the chemistry behind clean water, efficient transportation, reliable infrastructure, critical medicines, and the products people rely on every day through science, sustainability, and a culture of inclusion.

As part of our global team, you’ll be empowered to make a real impact - on your career, your community, and the world around you.

Job Type: Full -Time / On-Site

Salary: $120,000 - $140,000 with 6% bonus

Dayshift

How You’ll Make an Impact

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.

•Drive process improvements including technology, reducing scrap, and new concepts made real and reduced costs as to meet customer expectations on Quality and cost.
•Support extrusion, secondary operations, and packaging to ensure delivery and quality levels.
•Lead flawless launches of new product activities including FMEA, PFD, part and tool design reviews, and other cross functional team events.
•Engage maintenance personnel in resolving process, and equipment problems using systematic methods of troubleshooting, root cause analysis, and irreversible corrective action implementation.
•Provide technical evidence and responses to customer service/customers as required.
•Mentor 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.

Benefits that Empower You

•Competitive salary with performance-based bonus plans
•401(k) match + Age-Weighted Defined Contribution
•Comprehensive medical, dental & vision coverage
•Health Savings Account (HSA)
•Paid holidays, vacation, and parental leave
•Flexible work environment
•Learning and development opportunities
•Career and professional growth
•Inclusive culture and vibrant community engagement

Learn more at benefits.lubrizol.com !

Lubrizol: Imagined for Life. Enabled by Science. ™ Delivered by You. For nearly 100 years, The Lubrizol Corporation, a Berkshire Hathaway company, has been at the forefront of innovation to enhance everyday life, adva