1

Senior Process Engineer Jobs in Irvine, CA (NOW HIRING)

Senior Process Engineer

Corona, CA · Hybrid

$107K - $138K/yr

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 ...

New

Senior Process Engineer

Corona, CA · Hybrid

$107K - $138K/yr

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 ...

Senior Process Engineer

Garden Grove, CA · On-site

$105K - $137K/yr

We're seeking a Senior Process Engineer who's ready to be part of a company committed to formulating everyday success for every customer through innovative, reliable products used to adhere, seal ...

Senior Process Engineer

Garden Grove, CA · On-site

$105K - $137K/yr

We're seeking a Senior Process Engineer who's ready to be part of a company committed to formulating everyday success for every customer through innovative, reliable products used to adhere, seal ...

Senior Process Engineer

Irvine, CA · On-site

$85 - $120/hr

Job Overview The Senior Process Engineer leads process system design and technical definition for skid-mounted and modular process packages in an EPC execution environment. This role is responsible ...

Senior Process Engineer

Irvine, CA · On-site

$150 - $230/hr

Bachelor's degree in Chemical Engineering * 10-15+ years of experience in oil & gas, LNG, cryogenic, or EPC industries * Advanced proficiency in process simulation tools including Aspen HYSYS, Aspen ...

As an engineering liaison, support CAPA projects and root cause analysis to investigate productivity or quality issues with assistance from Operations and Quality Management. * Assist Sr. Process ...

next page

Showing results 1-20

Senior Process Engineer information

See Irvine, CA salary details

$80.5K

$130K

$183K

How much do senior process engineer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for senior process engineer in Irvine, CA is $130,005.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,600.00 and $144,400.00 per year, depending on experience, location, and employer.

What does a senior process engineer do?

A Senior Process Engineer is responsible for designing, optimizing, and overseeing processes within manufacturing or production environments. They analyze workflows, troubleshoot issues, and implement improvements to increase efficiency, safety, and product quality. Senior Process Engineers often lead projects, mentor junior engineers, and collaborate with cross-functional teams to ensure operational excellence. Their expertise is vital in industries like chemicals, pharmaceuticals, oil and gas, and food processing.

What are the key skills and qualifications needed to thrive as a senior process engineer?

To thrive as a Senior Process Engineer, you need a strong background in chemical or process engineering, problem-solving skills, and typically a bachelor's or master's degree in a relevant field. Expertise in process simulation software (such as Aspen Plus or HYSYS), Six Sigma or Lean certifications, and familiarity with process control systems are highly valued. Outstanding analytical abilities, leadership, and effective communication set top performers apart in this role. These skills and qualifications are crucial for optimizing processes, ensuring safety and compliance, and leading teams to achieve operational excellence.

What are some common challenges senior process engineers face when working on cross-functional teams?

Senior Process Engineers often collaborate with professionals from various departments, such as operations, quality, and maintenance. A common challenge is aligning diverse priorities and communication styles to achieve shared project goals. Successfully managing these differences requires strong interpersonal and project management skills, as well as the ability to translate technical concepts for non-engineering colleagues. Regular meetings and clear documentation can help ensure everyone stays informed and engaged throughout the process.

What is the difference between Senior Process Engineer vs Process Engineer?

AspectSenior Process EngineerProcess Engineer
QualificationsBachelor's or Master's in Engineering, often with 5+ years experienceBachelor's degree in Engineering or related field, typically 1-3 years experience
ResponsibilitiesLeading process improvements, mentoring, project managementSupporting process development, data analysis, assisting senior staff
Work EnvironmentDesign teams, manufacturing plants, R&D departmentsManufacturing facilities, engineering teams, operational support

Senior Process Engineers typically have more experience, leadership duties, and oversee complex projects, while Process Engineers focus on supporting process development and implementation. Both roles are essential in manufacturing and engineering industries, but the senior role involves greater responsibility and strategic planning.

How much does a senior process engineer earn?

A senior process engineer typically earns between $80,000 and $130,000 annually, depending on experience, industry, and location. They often have specialized skills in process optimization, project management, and may hold certifications like Six Sigma or PE licensure.

What are the most commonly searched types of Process Engineer jobs in Irvine, CA?

The most popular types of Process Engineer jobs in Irvine, CA are:

What are popular job titles related to Senior Process Engineer jobs in Irvine, CA?

For Senior Process Engineer jobs in Irvine, CA, the most frequently searched job titles are:

What job categories do people searching Senior Process Engineer jobs in Irvine, CA look for?

The top searched job categories for Senior Process Engineer jobs in Irvine, CA are:

What cities near Irvine, CA are hiring for Senior Process Engineer jobs?

Cities near Irvine, CA with the most Senior Process Engineer job openings:

Infographic showing various Senior Process Engineer job openings in Irvine, CA as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 16% Part Time, 3% Contract, and 1% Nights. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $130,005 per year, or $62.5 per hour.

Senior Process Engineer

Lubrizol Corporation

Corona, CA • Hybrid

$107K - $138K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted yesterday

New


Lubrizol rating

8.7

Company rating: 8.7 out of 10

Based on 54 frontline employees who took The Breakroom Quiz

15th of 100 rated chemical manufacturers


Job 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.

 

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.

 

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!

#LI-LT11  #LBZUS

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, advance mobility, and make the modern world work better. Our specialty chemistry solutions—from engine oils, performance coatings, and skincare to medical devices and plumbing systems —are powered by the expertise, passion, and commitment of people like you. We tackle the world’s toughest challenges with science-based solutions, deeply understanding our customers to deliver innovative chemistry and differentiated value. Our inclusive culture, dedication to safety, and incredible global talent drive our success. Our solutions meet the evolving needs of the modern world—brought to life by science and, most importantly, delivered by you. Whether you're in the lab, on the production floor, or in the office, you'll be part of a team around the world that empowers you to think boldly, drive results, and contribute to solutions that shape a better, more sustainable future.  We win because of you. Let’s build the future together.


What Lubrizol employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


Lubrizol logo

About Lubrizol

Sourced by ZipRecruiter

The Lubrizol Corporation, a Berkshire Hathaway company, is committed to enabling a sustainable future. Our unmatched science unlocks immense possibilities at the molecular level, driving sustainable and measurable results to help the world Move Cleaner, Create Smarter and Live Better. Our solutions are used by people every day, improving billions of lives around the world.

Industry

Chemical manufacturing

Company size

10,000+ Employees

Headquarters location

Wickliffe, OH, US

Year founded

1928

Social media