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Process Engineer Iii Jobs in California (NOW HIRING)

Monarch Quantum

Robotics Process Engineer 3

San Diego, CA · On-site

$125K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Join our fast-paced and passionate team as a Robotics Process Engineer 3. As we scale, you will be instrumental in building our foundation from the ground up. This is a dynamic, hands-on role for a ...

Monarch Quantum

Robotics Process Engineer 3

San Diego, CA

$125K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Join our fast-paced and passionate team as a Robotics Process Engineer 3. As we scale, you will be instrumental in building our foundation from the ground up. This is a dynamic, hands-on role for a ...

Monarch Quantum

Robotics Process Engineer 3

San Diego, CA · On-site

$125K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Join our fast-paced and passionate team as a Robotics Process Engineer 3. As we scale, you will be instrumental in building our foundation from the ground up. This is a dynamic, hands-on role for a ...

Amat

Process Engineer III - (E3)

Santa Clara, CA · On-site

$124K - $171K/yr

As a Process Engineer, you'll play a crucial role in designing and optimizing manufacturing processes for display and semiconductor manufacturing technologies. You will collect and analyze data ...

FUJIFILM Biotechnologies

$86K - $115K/yr

... with 3 years' experience; or equivalent work experience.ESSENTIAL DUTIES AND RESPONSIBILITIES: • Develop and improve wafer fab processes working on a variety of MEMS process engineering ...

Amat

Process Engineer III Senior

Santa Clara, CA

$124K - $171K/yr

Design, collect data, analyze, and compile reports on difficult process engineering experiments * Perform hardware characterization on a variety of difficult systems * Troubleshoot complex problems ...

Amat

Process Engineer III Senior

Santa Clara, CA

$124K - $171K/yr

Design, collect data, analyze, and compile reports on difficult process engineering experiments * Perform hardware characterization on a variety of difficult systems * Troubleshoot complex problems ...

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Showing results 41-60

All JobsProcess Engineer Iii JobsProcess Engineer Iii Jobs in California

Process Engineer Iii information

See California salary details

$48.9K

$90.8K

$140.6K

How much do process engineer iii jobs pay per year?

As of Aug 17, 2026, the average yearly pay for process engineer iii in California is $90,813.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,500.00 and $101,700.00 per year, depending on experience, location, and employer.

Are process engineer Iii in high demand?

Process Engineer III roles are in high demand in industries such as manufacturing, chemical, and energy, especially for professionals with advanced problem-solving skills and experience with process optimization tools. The demand is driven by ongoing industry needs for efficiency improvements, safety, and compliance, often requiring familiarity with automation and data analysis. Job prospects are generally strong for experienced engineers with relevant certifications and technical expertise.

What is the difference between Process Engineer Iii vs Process Engineer Ii?

AspectProcess Engineer IiiProcess Engineer Ii
Required CredentialsBachelor's in Engineering, some certifications (e.g., Six Sigma)Bachelor's in Engineering, often entry-level certifications
Work EnvironmentManufacturing plants, chemical facilities, industrial settingsSimilar industrial environments, often supporting senior engineers
Employer & Industry UsageCommon in manufacturing, chemical, and oil & gas industriesSimilar industries, often with less project leadership responsibility

The Process Engineer Iii typically has more experience and takes on greater responsibilities than the Process Engineer Ii. They often lead projects, optimize processes, and require advanced certifications. The Process Engineer Ii usually supports process improvements under supervision, focusing on technical tasks. Both roles are vital in industrial settings, but the Iii level indicates a higher level of expertise and independence.

What are some common challenges a Process Engineer III might face when implementing process improvements?

As a Process Engineer III, you may encounter resistance to change from operators or other departments, especially when introducing new technologies or workflows. Balancing cost-efficiency with maintaining product quality and safety standards can also be challenging. Additionally, coordinating across cross-functional teams—such as production, quality assurance, and maintenance—requires strong communication and project management skills to ensure smooth implementation of process improvements. Staying up-to-date with industry regulations and best practices is crucial for long-term success.

What does a Process Engineer III do?

A Process Engineer III is an experienced engineering professional who designs, implements, and optimizes manufacturing or industrial processes. They analyze workflows, troubleshoot process issues, and develop solutions to improve efficiency, product quality, and safety. In addition to technical responsibilities, Process Engineer IIIs often lead projects, mentor junior engineers, and collaborate with cross-functional teams. Their work helps organizations reduce costs and ensure compliance with industry standards.

What are the key skills and qualifications needed to thrive as a Process Engineer III?

To thrive as a Process Engineer III, you need a solid background in chemical, mechanical, or industrial engineering, often supported by a bachelor's or master's degree and several years of industry experience. Proficiency in process simulation software (such as Aspen HYSYS or AutoCAD), statistical analysis tools, and knowledge of industry standards and regulatory requirements is essential. Strong problem-solving abilities, project management skills, and effective communication are vital soft skills for this role. These competencies are crucial to ensure efficient process optimization, regulatory compliance, and successful collaboration across multidisciplinary teams.

What are popular job titles related to Process Engineer Iii jobs in California?

For Process Engineer Iii jobs in California, the most frequently searched job titles are:

What job categories do people searching Process Engineer Iii jobs in California look for?

The top searched job categories for Process Engineer Iii jobs in California are:

What cities in California are hiring for Process Engineer Iii jobs?

Cities in California with the most Process Engineer Iii job openings:

Process Engineer Iii jobs near you
Infographic showing various Process Engineer Iii job openings in California as of August 2026, with employment types broken down into 44% Full Time, and 56% Contract. Highlights an 100% In-person job distribution, with an average salary of $90,813 per year, or $43.7 per hour.

Robotics Process Engineer 3

Monarch Quantum

San Diego, CA • On-site

$125K - $175K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 10 days ago

Job description

Join our fast-paced and passionate team as a Robotics Process Engineer 3. As we scale, you will be instrumental in building our foundation from the ground up. This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You'll have the opportunity to work on cutting edge technologies, work closely with leadership, and develop and implement engineering practices that support our mission and growth. Your key responsibilities are as follows:

  • Work independently and in a team while over-communicating with the manager and the teammates.
  • Complete engineering tasks involving planning, preparation, data/information collection and analysis and decision-making in a process involving peer reviews and documentation of the results.
  • Use tenacity, patience, self-discipline and passion for excellence to assure accuracy of execution schedule, data quality/integrity, conformance to company best practices, clarity in communication and documentation.
  • Use every opportunity to grow competency through mentorship, curiosity, communication, exposure and initiative
  • Drive innovation in modeling, design, analysis, and alignment methods to support product roadmap.
  • Participate in alignment system architecture trade studies with complex and interdependent performance requirements.
  • Support business development with architecture concepts, feasibility analysis, and white paper writing.
  • Support project engineering with project scope, schedule, and risk analysis.

Requirements

  • This position requires access to export-controlled information. Employment is contingent upon the applicant being a U.S. person as defined by 8 U.S.C. § 1324b(a)(3).

Experience:

  • A bachelor’s degree in mechanical engineering, Physics, or a related field
  • A minimum of 5 years of relevant experience, ideally within a startup or technology company.

Skills:

  • Demonstrated successful execution of engineering tasks including use of mechanical CAD and quantitative analysis/programming tools, instrumentation and measurement, part fabrication or procurement, integration and test, data collection, analysis and documentation.
  • Demonstrated successful execution of automated test or component alignment using robotics, machine vision, or electrical test equipment for photonics alignment.

Startup Mindset:

  • You're creative, flexible, and eager to wear multiple hats.
  • You're passionate about building systems from the ground up and comfortable with ambiguity and change.

Benefits

The expected annual salary range for this position is $125,000-$175,000.

As a full-time employee, you will be eligible for Monarch’s comprehensive benefits package, which includes:

  • Medical, Dental, and Vision insurance
  • Fidelity 401(k) plan with 4% employer matching
  • 20 paid time off (PTO) days per year
  • 13 paid company holidays
  • 9/80 work schedule (every other Friday off)

Monarch Quantum is proud to be an equal opportunity employer and does not discriminate on the basis of race, color, citizenship status, national origin, ancestry, sex, sexual orientation, age, religion, creed, physical or mental disability, medical condition, marital status, veteran status or any other characteristics protected under applicable federal, state and local laws.