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

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 ...

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 ...

Collectorsuniverse

Process Engineer II

Santa Ana, CA

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

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 ...

Partners Personnel

Plastics Process Engineer

Beaumont, CA · On-site

$77K - $80K/yr

Process Engineer - Plastic Injection Molding (Direct Hire) Location: Beaumont, CA Job Type: Full-time | Direct Hire 3PM-11PM Job Summary We are seeking a Process Engineer (Direct Hire) to support and ...

Hirekeyz Inc

Automation Process Engineer

Redlands, CA · On-site

Automation Process Engineer Location: Redland, CA - onsite Job Type: Full Time The Automation Process Engineer helps improve and scale factory automation. You'll work on developing and fixing factory ...

GAF

Process Engineer II

Fontana, CA · On-site

$80K - $110K/yr

Job Summary The Process Engineer position is responsible for ensuring proper optimized operations to produce products and develop processes to ensure quality, cost and efficiency plans are met. This ...

Gaf

Process Engineer II

Fontana, CA

$80K - $110K/yr

Job Summary The Process Engineer position is responsible for ensuring proper optimized operations to produce products and develop processes to ensure quality, cost and efficiency plans are met. This ...

Tetra Tech

Process Engineer - Project Manager

Irvine, CA · On-site

$126K - $180K/yr

As a Process Engineer - Project Manager , you'll lead multidisciplinary teams focused on advancing ... You'll collaborate with senior leadership to expand client relationships, mentor engineers, and ...

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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 Aug 21, 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 August 2026, with employment types broken down into 80% Full Time, and 20% Contract. Highlights an 95% In-person, and 5% Hybrid job distribution, with an average salary of $126,356 per year, or $60.7 per hour.

Process Engineer

Honor Plastics & Molding

Pomona, CA • On-site

$83K - $85K/yr

Full-time

Re-posted 16 days ago

Job description

Purpose:
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 loading, and automated part handling. The process technician must have a good fundamental knowledge of the injection molding process, raw material, test methods, processing controls, and secondary equipment. This position directly reports to the Plant Manager.
Duties & Responsibilities:
  • Perform all start-up, shutdown, and troubleshooting of the molding process during normal production run.
  • Monitor all process parameters and peripherals in injection molding cell, including driers, thermal control units, and testing equipment to ensure correct operation and performance
  • Coordinate and/ or set up all secondary and auxiliary equipment as needed for each job
  • Ensure that materials requiring pre-drying are managed properly.
  • Assist with all mold insert changes
  • Coordinate and assist with new mold samplings including the molding process and the creation of full documentation on processing parameters.
  • Communicate with management, quality assurance, and shop floor daily to discuss all modeling related issues
  • Assist with the planning, purchase, installation, and qualification of new production equipment including injection machines; automation and robotics; material handling; and related auxiliary equipment system
  • Assist set-up technicians and material Handlers as needed
  • Implement technical solutions to meet customer cost, quality, and delivery expectations
  • Monitor and document issues with injection molds, and make recommendations for repair and refurbishment based on production requirements
  • Ensure that the production activities are carried out in accordance with approved procedures
  • Promote safety, quality, and environmental awareness at all times
  • Always follow department operational procedures.
  • Operate the machines as needed

Required Knowledge, Skills, & Abilities:
  • High school diploma or equivalent qualification.
  • A minimum of 3 years' experience in a similar role (Preferred).
  • Strong mechanical aptitude and scientific molding experience would be beneficial
  • Good communication/Interpretation skills and attention to detail
  • Ability to work in a fast pace, high change environment, with limited supervision
  • Demonstrated ability to start up, operate, and shut down injection molding machines and related process equipment

Pay Rate : $85,000 Yearly

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