Process Engineer Jobs in California
Process Engineer jobs in California are among the most active in the country, with strong demand concentrated in semiconductors and advanced manufacturing, biotechnology and pharmaceutical production, food and beverage processing, and petroleum refining, at every level from entry-level technician-track roles through senior and principal engineers. The largest hiring hubs are the San Francisco Bay Area, Los Angeles, and San Diego, where companies like Chevron, Genentech, and Intel have long maintained major California operations. The most consistently sought specialties are process optimization, cleanroom and semiconductor process engineering, and bioprocess development. Find a role that fits below and apply directly.
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Aperia is unlocking a new era of efficiency and sustainability for commercial vehicle fleets, by developing innovative hardware and data analytics solutions. Inventors of the award- winning and disruptive Halotm Automatic Tire Inflator, and the cloud delivered Halo Connect tire analytics platform. Aperia saves fleets thousands of hours of down-time every week, reduces the carbon footprint and environmental impact of the freight industry. Join us as we expand our product offering and take the next steps on our journey toward bringing the "backbone of our economy" into the automation age.
This position requires candidates to be authorized to work in the US on an ongoing basis without current or future employer sponsorship. We are unable to sponsor or transfer H-1B or other employment-based visas, and candidates currently on F-1, OPT, STEM OPT status are not eligible for this role.
Your Role
The role of the Senior Product and Process Quality Engineer reports to the Quality Director. The role will be focused on supporting quality activities at the Aperia manufacturing site and with our suppliers around the world. You will be working with quality, engineering and operations team members to improve product and process quality.
Your Responsibilities
- Develop and improve quality processes with a focus on manufacturing process control, by evaluating process performance and implementing appropriate quality methods to ensure consistent product quality and manufacturing effectiveness.
- Work collaboratively with suppliers to qualify, improve, or correct products and manufacturing processes through technical reviews, quality assessments, and corrective actions to ensure supplier performance and product requirements are consistently met.
- Conduct root cause analysis on quality issues identified on the manufacturing line or at supplier locations using appropriate problem-solving methodologies, and coordinate with Quality, Manufacturing, Engineering and suppliers, as applicable, to implement and verify corrective actions through closure.
- Author, issue and execute CARs/SCARs as required by documenting identified nonconformances, investigating root cause, and tracking corrective actions to resolve internal/external quality issues.
- Support product and process qualifications including trials, testing, data review, and reporting activities both at supplier sites and within Aperia.
- Statistically analyze production data using SQL, Excel, and Minitab to generate reports designed to resolve quality issues and improve production yield/throughput in collaboration with Manufacturing and Engineering
- Create and maintain work instructions, procedures, and other quality documentation required to support quality activities, and train the quality and manufacturing teams to promote consistent execution and compliance.
- Participate in various special projects that support the quality, manufacturing and engineering teams.
Skills/Qualifications
- Education in Quality, Mechanical or similar Engineering disciplines
- Working knowledge of current GD&T practices and interpretation
- 5+ years of experience as a quality or manufacturing engineer in a high-volume manufacturing environment
- Working knowledge of ISO9001 & IATF 16949 Quality Management Systems
- Experience and working knowledge of key quality tools used in the manufacturing (5-Why, Fishbone, Gage R&R, GD&T, 8D/CAPA for RCCA)
- Experience working with database systems in order to extract, format, analyze data and report out conclusions/recommendations
- Hands on experience using metrology equipment from basic hand tools to CMM, vision systems and similar
- Experience in Development and New Product Introduction is preferred
- Ability to travel Domestically and Internationally on occasion
Pay Range: $120,000 - $140,000
- Base salary only. Salary is dependent on multiple factors including, but not limited to, experience and location.
**Additional compensation may include equity, bonuses, stipends, medical, dental, vision, 401(k), and long-term disability insurance.
Aperia is unlocking a new era of efficiency and sustainability for commercial vehicle fleets, by developing innovative hardware and data analytics solutions. Inventors of the award- winning and disruptive Halotm Automatic Tire Inflator, and the cloud delivered Halo Connect tire analytics platform. Aperia saves fleets thousands of hours of down-time every week, reduces the carbon footprint and environmental impact of the freight industry. Join us as we expand our product offering and take the next steps on our journey toward bringing the "backbone of our economy" into the automation age.
This position requires candidates to be authorized to work in the US on an ongoing basis without current or future employer sponsorship. We are unable to sponsor or transfer H-1B or other employment-based visas, and candidates currently on F-1, OPT, STEM OPT status are not eligible for this role.
Your Role
The role of the Senior Product and Process Quality Engineer reports to the Quality Director. The role will be focused on supporting quality activities at the Aperia manufacturing site and with our suppliers around the world. You will be working with quality, engineering and operations team members to improve product and process quality.
Your Responsibilities
- Develop and improve quality processes with a focus on manufacturing process control, by evaluating process performance and implementing appropriate quality methods to ensure consistent product quality and manufacturing effectiveness.
- Work collaboratively with suppliers to qualify, improve, or correct products and manufacturing processes through technical reviews, quality assessments, and corrective actions to ensure supplier performance and product requirements are consistently met.
- Conduct root cause analysis on quality issues identified on the manufacturing line or at supplier locations using appropriate problem-solving methodologies, and coordinate with Quality, Manufacturing, Engineering and suppliers, as applicable, to implement and verify corrective actions through closure.
- Author, issue and execute CARs/SCARs as required by documenting identified nonconformances, investigating root cause, and tracking corrective actions to resolve internal/external quality issues.
- Support product and process qualifications including trials, testing, data review, and reporting activities both at supplier sites and within Aperia.
- Statistically analyze production data using SQL, Excel, and Minitab to generate reports designed to resolve quality issues and improve production yield/throughput in collaboration with Manufacturing and Engineering
- Create and maintain work instructions, procedures, and other quality documentation required to support quality activities, and train the quality and manufacturing teams to promote consistent execution and compliance.
- Participate in various special projects that support the quality, manufacturing and engineering teams.
Skills/Qualifications
- Education in Quality, Mechanical or similar Engineering disciplines
- Working knowledge of current GD&T practices and interpretation
- 5+ years of experience as a quality or manufacturing engineer in a high-volume manufacturing environment
- Working knowledge of ISO9001 & IATF 16949 Quality Management Systems
- Experience and working knowledge of key quality tools used in the manufacturing (5-Why, Fishbone, Gage R&R, GD&T, 8D/CAPA for RCCA)
- Experience working with database systems in order to extract, format, analyze data and report out conclusions/recommendations
- Hands on experience using metrology equipment from basic hand tools to CMM, vision systems and similar
- Experience in Development and New Product Introduction is preferred
- Ability to travel Domestically and Internationally on occasion
Pay Range: $120,000 - $140,000
- Base salary only. Salary is dependent on multiple factors including, but not limited to, experience and location.
**Additional compensation may include equity, bonuses, stipends, medical, dental, vision, 401(k), and long-term disability insurance.
See All 458+ Process Engineer Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find Process Engineer JobsProcess Engineer Jobs by City in California
Where California roles are concentrated, by current openings.
Process Engineer Job Market in California
A snapshot from current California openings, updated as new roles post.
Who's Hiring
- Tesla31
- Applied Materials29
- Lam Research16
- Apple11
- CRB7
Top Industries Hiring
- Electronics & Hardware34
- Manufacturing23
- Consulting & Professional Services17
- Technology & Software15
- Energy4
What California Employers Look For
The qualifications that appear most often in process engineer jobs across California.
- Bachelor's degree in chemical, mechanical, or industrial engineering or a closely related field
- Experience with process design, optimization, or scale-up in a regulated California industry
- Proficiency with process simulation software such as Aspen Plus or similar tools
- Familiarity with California environmental and safety regulations including Cal/OSHA compliance
- Experience with lean manufacturing, Six Sigma, or continuous improvement methodologies
- Strong documentation skills and experience with ISO or GMP quality systems
Process Engineer Jobs in California: Frequently Asked Questions
How do you become a process engineer in California?
Most process engineer roles in California require a bachelor's degree in chemical, mechanical, industrial, or a related engineering discipline. While California does not require a state license to work as a process engineer in most industry settings, engineers who offer services to the public or sign off on certain designs may pursue licensure through the California Board for Professional Engineers, Land Surveyors, and Geologists by passing the Fundamentals of Engineering and Professional Engineering exams. In biotech and semiconductor roles, hands-on lab or cleanroom experience and relevant internships carry significant weight with California employers.
Which companies hire process engineers in California?
Employers hiring process engineers in California right now include Tesla, Applied Materials, and Lam Research, based on current listings on Migrate Mate as of November 2026. California's concentration of semiconductor fabs, biopharmaceutical manufacturers, and petroleum refineries means that large, established industrial employers account for the majority of open roles across the state.
Which California cities have the most process engineer jobs?
Fremont, Santa Clara, and San Jose have the most process engineer openings in California. The Bay Area leads because of its dense concentration of semiconductor companies and biotech firms, while Los Angeles draws hiring from the aerospace, food processing, and refining sectors, and San Diego's strong life sciences cluster generates steady demand for bioprocess and pharmaceutical process engineers.
Are there remote process engineer jobs in California?
Yes, but they're rare. Process engineering is largely a hands-on discipline that requires physical presence on the production floor, in the lab, or inside the cleanroom, so most roles are fully on-site. About 24% of process engineer openings tied to California are remote or hybrid as of November 2026, and those postings tend to cover upstream design work, process documentation review, or data analysis tasks that can be done off-site.
How can I get hired as a process engineer in California with little or no experience?
The most realistic entry path is a new-graduate or associate process engineer role at one of California's large manufacturers or biotech companies, many of which run formal rotational or early-career programs. Companies in California's Bay Area semiconductor corridor and San Diego life sciences community regularly hire engineers directly from university, particularly candidates who completed co-ops or capstone projects with an industrial focus. Pursuing an Engineer-in-Training designation through the California Board for Professional Engineers strengthens a resume, and experience in quality assurance, laboratory technician, or manufacturing technician roles provides a recognized lateral path into process engineering.
Where can I find and apply to process engineer jobs in California?
You can find and apply to process engineer jobs in California on Migrate Mate, which lists current California openings updated regularly. Find roles that fit your background and apply directly to the employers posting them.
See All 458+ Process Engineer Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find Process Engineer Jobs