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Senior Chemical Process Engineer Jobs in Riverside, CA

Chemical Guys

Manufacturing Engineer

Fontana, CA · On-site

$105K - $115K/yr

Chemical Guys (CG) is more than a brand. It's a lifestyle with a worldwide following driven by ... This role serves as the technical and process engineering partner to Production, leading ...

Chemical Guys

Manufacturing Engineer

Fontana, CA · On-site

$105K - $115K/yr

Chemical Guys (CG) is more than a brand. It's a lifestyle with a worldwide following driven by ... This role serves as the technical and process engineering partner to Production, leading ...

WINONICS

Plating Operator - 3rd Shift

Brea, CA · On-site

$20 - $28/hr

... chemical handling proceduresCollaborate with Production and Engineering teams to support workflow, quality initiatives, and process improvement activitiesPerform additional duties as assigned to ...

WINONICS

Plating Operator - 3rd Shift

Brea, CA · On-site

$20 - $28/hr

Adhere to all company safety policies, PPE requirements, and chemical handling procedures * Collaborate with Production and Engineering teams to support workflow, quality initiatives, and process ...

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All JobsChemical Process Engineer JobsSenior Chemical Process Engineer JobsSenior Chemical Process Engineer Jobs in Riverside, CA

Senior Chemical Process Engineer information

See Riverside, CA salary details

$95.5K

$131.1K

$163.3K

How much do senior chemical process engineer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for senior chemical process engineer in Riverside, CA is $131,119.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,400.00 and $140,800.00 per year, depending on experience, location, and employer.

What is a senior chemical process engineer?

Senior Chemical Process Engineers are experienced professionals who design, develop, and optimize chemical processes used in manufacturing. They lead projects, oversee process safety and efficiency, and mentor junior engineers. Their work ensures that industrial chemical operations are cost-effective, environmentally friendly, and comply with regulations. Senior Chemical Process Engineers often collaborate with multidisciplinary teams and play a key role in troubleshooting and continuous improvement initiatives.

How do senior chemical process engineers typically collaborate with cross-functional teams during large-scale projects?

Senior Chemical Process Engineers frequently work alongside professionals from disciplines like mechanical engineering, instrumentation, safety, and project management. They play a key role in translating process requirements into actionable engineering solutions and ensure process integration aligns with overall project goals. Regular meetings, detailed documentation, and clear communication are essential, as these engineers often lead technical discussions, resolve interdisciplinary challenges, and coordinate between design, operations, and quality assurance teams to drive projects forward efficiently.

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

To thrive as a Senior Chemical Process Engineer, you need a strong background in chemical engineering principles, process design, and problem-solving, typically supported by a bachelor's or master's degree in chemical engineering. Familiarity with process simulation software (such as Aspen Plus or HYSYS), plant safety standards, and relevant certifications (like Professional Engineer licensure) is highly valuable. Strong analytical thinking, leadership, and effective communication skills help drive project success and lead cross-functional teams. These skills and qualities are crucial for optimizing manufacturing processes, ensuring safety, and delivering cost-effective solutions in complex industrial environments.

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

AspectSenior Chemical Process EngineerChemical Process Engineer
Required CredentialsBachelor's or Master's in Chemical Engineering; 5+ years experienceBachelor's in Chemical Engineering; entry to 2 years experience
Work EnvironmentDesign, optimization, and supervision in manufacturing or R&D facilitiesAssist in process design, testing, and operation in manufacturing plants
Employer & Industry UsageManufacturing, oil & gas, pharmaceuticals, chemicalsSimilar industries, often as entry-level or mid-level roles

The main difference between a Senior Chemical Process Engineer and a Chemical Process Engineer lies in experience, responsibilities, and seniority. Senior engineers typically lead projects, oversee teams, and have more advanced expertise, while chemical process engineers focus on supporting process design and operation. Both roles are essential in chemical manufacturing and related industries, but senior positions require more experience and leadership responsibilities.

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

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

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

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

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

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

Senior Chemical Process Engineer jobs near you
Infographic showing various Senior Chemical Process Engineer job openings in Riverside, CA as of July 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, 1% Temporary, 1% Contract, and 1% Nights. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $131,119 per year, or $63 per hour.

Senior Process Development Engineer

Attalon, Inc.

Murrieta, CA • On-site

$80K - $137K/yr

Full-time

Re-posted 19 days ago

Job description

Attalon / Location Overview

Join Attalon’s Aerospace & Defense team in Murrieta, CA. We are a center of excellence for advanced optics and optical systems. We’re shaping the future of aerospace and defense through precision engineering and cutting-edge manufacturing processes. If you’re passionate about innovation and want to lead the development of world-class optical technologies, this is your opportunity to make a lasting impact.

Job Details
The Process Development Engineer is responsible for providing operational engineering support across optical fabrication, optical metrology, and optical assembly areas. Contributes to process development activities including process improvement, troubleshooting, cycle-time reduction, process stability, and yield improvement. Supports project execution, technician development, and collaboration across engineering and production groups.

Primary Duties and Responsibilities

  • Define, optimize, and stabilize optical fabrication processes while collaborating closely with Manufacturing, Quality, Program Management, and cross-functional engineering teams.
  • Serve as subject matter expert for one or more optical manufacturing areas: optical metrology, opto-mechanical assembly, conventional optical fabrication, and single-point diamond turning.
  • Execute engineering experiments, DOEs, and capability studies. Implement process improvements related to throughput, quality, and cost,
  • Drive continuous improvement initiatives focused on yield and cycle-time reduction.
  • Lead root-cause analysis and corrective actions involving defects and process variability.
  • Participate and lead prototype builds and process qualifications for new programs.
  • Investigate new equipment and fabrication technologies that can increase capability or reduce cost.
  • Lead NPI activities from early concept and feasibility through protype builds, process qualification, and full production release.

Minimum Qualifications

  • Bachelor's degree in engineering, physics, material science, or related field.
  • Minimum 5 years of related experience in optical manufacturing
  • Strong analytical, problem-solving, and experimental design skills.
  • Candidates must have manufacturing and production experience in a closely related precision manufacturing field.
  • Direct experience in one or more of the following is preferred but not required:
    • Single-point diamond turning
    • Conventional optics fabrication
    • Optical metrology (profilometry, interferometry)
    • Opto-mechanical assembly
  • Demonstrated capability to lead complex engineering issues through the entire lifecycle, ensuring thorough analysis and effective resolution.

For California, the salary range for this position is $80,630-$137,808
Please note this range is provided as a general guideline. When determining an offer, Attalon takes into account multiple factors, including (but not limited to) the responsibilities of the position, your professional experience, education and training, specialized skills, and current market and business conditions.

Equal Opportunity Employer Statement

Attalon, Inc. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

Export Control Compliance

This role involves access to technology, materials, software, or hardware subject to U.S. export control laws. Therefore, to be considered, candidates must be classified as a “U.S. Person” under applicable regulations or be eligible for authorization under a U.S. government export license.