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Process Engineer Jobs in Fullerton, CA (NOW HIRING)

Flex

Process Engineer

Fontana, CA

$86K - $118K/yr

In charge for process-engineering capabilities focused on cost, quality and delivery improvements in order to hold up a manufacturing organization. Responsibilities: * Recognize the manufacturing ...

Worley

Principal Process Engineer

Monrovia, CA · On-site

$75 - $110/hr

Worley is seeking a Principal Process Engineer for the Monrovia, CA office location. In a lead position you will apply advanced engineering techniques and analysis and may serve as a technical ...

Flex Ltd.

Process Engineer

Fontana, CA · On-site

$86K - $118K/yr

In charge for process-engineering capabilities focused on cost, quality and delivery improvements in order to hold up a manufacturing organization. Responsibilities: * Recognize the manufacturing ...

Crown Technical Systems

Process Engineer

Fontana, CA

$86K - $118K/yr

In charge for process-engineering capabilities focused on cost, quality and delivery improvements in order to hold up a manufacturing organization. Responsibilities: * Recognize the manufacturing ...

Crown Technical Systems

Process Engineer

Fontana, CA · On-site

$86K - $118K/yr

In charge for process-engineering capabilities focused on cost, quality and delivery improvements in order to hold up a manufacturing organization. Responsibilities: * Recognize the manufacturing ...

PM Group

Process Engineer

Irvine, CA · On-site

$100K - $130K/yr

Overview The Process Engineer position is an exciting opportunity to join PM Group's quickly growing Outsourced Technical Services(OTS) team based out of Irvine, CA . Outsourced Technical Services ...

Cargill

Process Engineer

Fullerton, CA · On-site

$78K - $120K/yr

Job Purpose and Impact The Process Engineer applies process and project engineering techniques to improve moderately complex manufacturing processes and products. In this role, you will provide ...

Cargill

Process Engineer

Fullerton, CA · On-site

$78K - $120K/yr

Job Purpose and Impact The Process Engineer applies process and project engineering techniques to improve moderately complex manufacturing processes and products. In this role, you will provide ...

PM Group

Process Engineer

Irvine, CA

$100K - $130K/yr

Overview The Process Engineer position is an exciting opportunity to join PM Group's quickly growing Outsourced Technical Services(OTS) team based out of Irvine, CA . Outsourced Technical Services ...

Cargill

Process Engineer

Fullerton, CA · On-site

$78K - $120K/yr

Job Purpose and Impact The Process Engineer applies process and project engineering techniques to improve moderately complex manufacturing processes and products. In this role, you will provide ...

Collectors Universe Inc.

Process Engineer II

Santa Ana, CA · On-site

$72 - $91.59/hr

## Process Engineer IIApplylocations: Santa Ana, CAtime type: Full timeposted on: Posted Yesterdayjob requisition id: JR105466Collectors is the leading creator of innovative technology that provides ...

Honor Plastics & Molding

Process Engineer

Pomona, CA · On-site

$85K/yr

The process engineer is responsible for maintaining daily production uptime of fully automated molding machines, including all subsequent pre- and post-mold operations such as trimming, insert ...

Honor Plastics & Molding

Process Engineer

Pomona, CA · On-site

$83K - $85K/yr

The process engineer is responsible for maintaining daily production uptime of fully automated molding machines, including all subsequent pre- and post-mold operations such as trimming, insert ...

ZEISS

Process Engineer II

Ontario, CA · On-site

$99K - $124K/yr

The Process Engineer is an integral part of the process engineering team who continuously improves manufacturing processes to optimize productivity, ensure process and equipment validations are ...

Collectorsuniverse

Process Engineer II

Santa Ana, CA · On-site

The Process Engineer will assist with process development, equipment design, validation, and implementation, efficiency improvements, 5S implementation, implementation of Lean manufacturing concepts ...

Collectorsuniverse

Process Engineer II

Santa Ana, CA · On-site

The Process Engineer will assist with process development, equipment design, validation, and implementation, efficiency improvements, 5S implementation, implementation of Lean manufacturing concepts ...

Emerald Technologies

Jr Process Engineer

Brea, CA · On-site

$23 - $25/hr

Emerald Technologies is excited to welcome a Jr. Process Engineer to our Brea, CA team! In this role, you'll support process improvements, help develop and refine manufacturing methods, and ...

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Showing results 21-40

All JobsProcess Engineer JobsProcess Engineer Jobs in Fullerton, CA

Process Engineer information

See Fullerton, CA salary details

$51.6K

$96K

$148.7K

How much do process engineer jobs pay per year?

As of Sep 7, 2026, the average yearly pay for process engineer in Fullerton, CA is $96,002.00, according to ZipRecruiter salary data. Most workers in this role earn between $77,700.00 and $107,500.00 per year, depending on experience, location, and employer.

What is a process engineer?

Process Engineers are professionals who design, implement, and optimize industrial processes to improve efficiency, quality, and safety in manufacturing or production environments. They analyze workflows, troubleshoot process issues, and develop solutions to enhance productivity and reduce costs. Process Engineers often work in industries such as chemicals, pharmaceuticals, food and beverage, and energy, ensuring processes are compliant with environmental and safety regulations. Their work is vital for maintaining smooth operations and achieving organizational goals.

What are the key skills and qualifications needed to thrive as a process engineer, and why are they important?

To thrive as a Process Engineer, you need a solid background in chemical, mechanical, or industrial engineering, often supported by a relevant bachelor's degree and understanding of process optimization principles. Familiarity with process simulation software (such as Aspen Plus or AutoCAD), Six Sigma methodologies, and quality management systems is typically required. Strong analytical thinking, problem-solving abilities, and effective communication skills set candidates apart in this role. These skills and qualifications are essential to improve efficiency, ensure safety, and drive continuous improvement in industrial and manufacturing processes.

What are some common challenges process engineers face when implementing process improvements, and how can they overcome them?

Process Engineers often encounter challenges such as resistance to change from team members, integrating new technologies with existing systems, and ensuring process changes meet regulatory standards. Overcoming these obstacles typically involves clear communication, involving stakeholders early in the process, thorough documentation, and piloting changes before full-scale implementation. Building strong cross-functional relationships and continuously gathering feedback also help ensure that improvements are effective and sustainable.

What is the difference between Process Engineer vs Manufacturing Engineer?

AspectProcess EngineerManufacturing Engineer
CredentialsBachelor's in Engineering, certifications like Six SigmaBachelor's in Engineering, certifications like Lean Manufacturing
Work EnvironmentDesigning and optimizing processes, R&D settingsOverseeing production lines, factory floors
Industry UsageManufacturing, chemical, aerospaceAutomotive, electronics, consumer goods

Process Engineers focus on designing and improving manufacturing processes, often working in R&D or engineering departments. Manufacturing Engineers concentrate on implementing and managing production on the factory floor. Both roles require similar technical skills and certifications but differ mainly in their scope and work environment.

What jobs can a process engineer do?

A process engineer designs, develops, and optimizes manufacturing processes to improve efficiency, quality, and safety. They work in industries such as chemical, pharmaceutical, food, and automotive, often using tools like process simulation software and requiring knowledge of quality standards and safety regulations.
More about Process Engineer jobs

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

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

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

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

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

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

Process Engineer jobs near you
Infographic showing various Process Engineer job openings in Fullerton, CA as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 16% Part Time, 2% Contract, and 1% Nights. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $96,002 per year, or $46.2 per hour.

Process Engineer

Flex

Fontana, CA

$86K - $118K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 26 days ago

Job description

Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.Job Summary

Summary:

The Process Enginee will be based in Fontana, Ca, reporting to the Director of Engineering.

In charge for process-engineering capabilities focused on cost, quality and delivery improvements in order to hold up a manufacturing organization.

Responsibilities:

  • Recognize the manufacturing process, technologies, techniques and the product.
  • Define, implement and evaluate proposed designs and processes for manufacturability.
  • Have the capability to singly or with other engineering stakeholders identify root causes of failures in the manufacturing process.
  • High level participation in daily production activities and effective problem solving on daily issues.
  • Prepare justification, purchase and implement capital equipment for production.
  • Hold up and oversee new process equipment production.
  • Hold up the raising and introduction of engineering change orders (ECOs).
  • Establish robust, repeatable and reproducible process parameters.
  • Develop, implement and take ownership of process control methodologies.
  • Trouble shoot process related issues.
  • Participate in activities pertaining to cycle time and process improvements.
  • Evaluate and select various engineered materials.
  • Implement statistical process research on new and existing products.
  • Implement safety, productivity and give in improvements.
  • Improve manufacturing techniques and through put.
  • Provide continuous development of manufacturing techniques that will improve in-house capabilities and gives in.
  • Develop and maintain process documentation.
  • Review processing methods.
  • Interface with production of all activities associated with new process implementation and transfer.
  • Assist in the development of training and provide training to production personnel during new technology transfer.
  • Provide equipment maintenance and repair hold up as required.
  • Guide cost improvement/reduction programs.

Qualifications:

  • Typically requires a Bachelor's degree in related field or equivalent experience and training.
  • Typically requires 2 years of experience.

What you'll receive for the great work you provide:

  • Full range of medical, dental, and vision plans
  • Life Insurance
  • Short-term and Long-term Disability
  • Matching 401(k) Contributions
  • Vacation and Paid Sick Time
  • Tuition Reimbursement

Application Deadline:

Applications for this job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume.

Job Posting Start Date 09-02-2026 Job Posting End Date 11-06-2026

The base pay range for this position is provided below. The final base rate offered will be determined using job-related, non-discriminatory criteria, including but not limited to experience, qualifications, geographic location, education, external market data, and internal equity.

$86,300.00 USD - $118,700.00 USDAnnualJob CategoryProduction EngineeringRelocation:Not eligible

Is Sponsorship Available?

NoFlex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email accessibility@flex.com and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Flex, you must complete the application process first).
Flex Personnel logo

About Flex Personnel

Sourced by ZipRecruiter

The Flex Team is made up of Staffing Industry experts committed to serving the needs of businesses and workers by bringing people together. We are guided by our Core values Integrity, Courtesy, and Respect. At Flex we bring Businesses and People together. We carefully assess both the needs of our Business clients and the complete profiles of each candidate, and then make the connections we believe will be most mutually beneficial. With offices in select markets throughout the Country, We are continually expanding our industry reach nationwide.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Dallas, TX, US

Social media

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