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

CRB

Process Engineer IV - West Region

Irvine, CA · On-site

The Process Engineer IV serves as a senior technical leader within the Process discipline, providing leadership at the project level on complex projects of varying size and scope. This role is ...

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 ...

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 ...

Collectors Universe Inc.

Process Engineer II

Santa Ana, CA · On-site

$80 - $100/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

$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 ...

Honor Plastics & Molding

Process Engineer

Pomona, CA

$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 ...

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 ...

Grainger Businesses

Process Engineer Lead

Mira Loma, CA

$95K - $158K/yr

Position Details The Process Engineer Lead owns the design, development, and execution of complex ... The position oversees large-scale projects, mentors senior engineers, and drives innovation through ...

Tigre USA Inc

Process Engineer

Beaumont, CA · On-site

$77K - $80K/yr

Summary Responsible for building and implementing process standards for the manufacturing area in ... Bachelor's degree in Engineering, preferably Chemical, Mechanical, Materials, Plastic or Industrial ...

Syner-G

Staff Process Engineer

Tustin, CA · On-site

Syner-G is seeking a highly experienced Staff Process Engineer / MSAT Technology Transfer Lead with 10-15+ years of biologics manufacturing experience to provide technical and program leadership for ...

Socket.dev

Process Engineer I

Walnut, CA · On-site

$74K - $86K/yr

Description Process Engineer I Walnut, CA | The Gund Company Launch Your Engineering Career and Build the Future of Manufacturing Are you an engineer who loves solving problems, improving processes ...

The Gund Company

Process Engineer I

Walnut, CA · On-site

$74K - $86K/yr

Job Type Full-time Description Process Engineer I Walnut, CA The Gund Company Launch Your Engineering Career and Build the Future of Manufacturing Are you an engineer who loves solving problems ...

The Gund Company

Process Engineer I

Walnut, CA · On-site

$74K - $86K/yr

Process Engineer I Walnut, CA | The Gund Company Launch Your Engineering Career and Build the Future of Manufacturing Are you an engineer who loves solving problems, improving processes, and seeing ...

The Gund Company Inc

Process Engineer I

Walnut, CA · On-site

$74K - $86K/yr

Description Process Engineer I Walnut, CA | The Gund Company Launch Your Engineering Career and Build the Future of Manufacturing Are you an engineer who loves solving problems, improving processes ...

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Showing results 41-60

All JobsProcess Engineer JobsSenior Process Engineer JobsSenior Process Engineer Jobs in Riverside, CA

Senior Process Engineer information

See Riverside, CA salary details

$78.2K

$126.4K

$177.9K

How much do senior process engineer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for senior process engineer in Riverside, CA is $126,356.00, according to ZipRecruiter salary data. Most workers in this role earn between $108,500.00 and $140,300.00 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 Riverside, CA?

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

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

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

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

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

Senior Process Engineer jobs near you
Infographic showing various Senior Process Engineer job openings in Riverside, CA as of September 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $126,356 per year, or $60.7 per hour.

Process Engineer IV - West Region

Irvine, CA • On-site

CRB
Construction • 1 - 5K employees
Learn more about CRBexternal

Full-time

Re-posted 27 days ago

Job description

Company Description
CRB is a leading provider of sustainable engineering, architecture, construction and consulting solutions to the global life sciences and food and beverage industries. Our more than 1,400 employees provide best-in-class solutions that drive success and positive change for our clients, our people and our communities. CRB is a privately held company with a rich history of serving clients throughout the world, consistently striving for the highest standard of technical knowledge, creativity and execution.
Job Description
The Process Engineer IV serves as a senior technical leader within the Process discipline, providing leadership at the project level on complex projects of varying size and scope. This role is responsible for overseeing discipline execution, managing discipline-level budgets, and ensuring technical quality from concept through construction and startup.
The Process Engineer IV has a deep understanding of process design development and field implementation across all project phases. They lead and coordinate the work of junior and senior engineers and designers, collaborate closely with project managers and cross-discipline teams, and serve as a key technical interface with clients, vendors, and construction partners.
Core Responsibilities
  • Plan, direct, and execute discipline work on large, complex projects, including management of the discipline budget and scope.
  • Partner with Project Managers on proposal development, man-hour planning, and scheduling for process scope.
  • Lead client interactions and coordinate with internal stakeholders and external partners to align technical solutions with project and client goals.
  • Provide technical oversight and quality control, including review and verification of calculations, drawings, and specifications.
  • Identify and resolve non-compliant or challenging existing conditions during site walks and field surveys.
  • Develop construction drawing packages and specifications for advanced and complex projects with minimal oversight.
  • Lead and support construction activities, including RFIs, submittal reviews, punch list development, construction progress reporting, commissioning, and startup support.
  • Mentor and provide technical guidance to junior and mid-level process engineers and designers.
  • Develop and deliver internal process discipline training and knowledge-sharing presentations.
  • Lead advanced system design programming, master planning efforts, and process strategy development.
  • Direct and coordinate discipline staff in the execution of complex process design and engineering efforts.

Advanced Technical Leadership Activities
The Process Engineer IV may lead or provide oversight for complex and high-impact activities, including:
  • Site selection and feasibility evaluations
  • Master planning and facility layout development
  • Capacity planning and expansion strategies
  • Management of complex or novel vendor packages
  • Participation in or facilitation of risk assessments (e.g., HAZOPs, HCCPs, etc.)
  • 3D model review and multi-discipline coordination
  • Site walkdowns, field reports, and construction observations
  • Commissioning and startup planning and execution

Qualifications
Minimum Qualifications
  • Bachelor's degree in Chemical, Biological, or Mechanical Engineering from an ABET-accredited program
  • Master's degree in a related specialization is a plus
  • 10+ years of relevant experience in process engineering for lead-level responsibilities
  • 15+ years of relevant experience for senior-level responsibilities
  • Experience across design firms, operating companies, and/or construction environments within the life sciences or food & beverage industries
  • Strong working knowledge of applicable industry standards, regulatory guidance, and local building codes

Preferred Qualifications
  • Professional Engineering (PE) license
  • Proven technical leadership experience on large or complex projects
  • Excellent written and verbal communication skills
  • Strong internal and external technical network, including clients, vendors, and construction partners
  • Demonstrated ability to collaborate effectively with cross-discipline teams and construction trade partners
  • Broad experience across a variety of facilities, equipment, and process systems within life sciences or food & beverage environments

Additional Information
All your information will be kept confidential according to EEO guidelines.
CRB is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity Employer and it is our policy to provide equal opportunity to all people without regard to race, color, religion, national origin, ancestry, marital status, veteran status, age, disability, pregnancy, genetic information, citizenship status, sex, sexual orientation, gender identity or any other legally protected category. Employment is contingent on background screening.
CRB does not accept unsolicited resumes from search firms or agencies. Any resume submitted to any employee of CRB without a prior written search agreement will be considered unsolicited and the property of CRB. Please, no phone calls or emails.
CRB offers a complete and competitive benefit package designed to meet individual and family needs.
If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

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