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Process Engineer Intern Jobs in California (NOW HIRING)

M Wave Design Corporation

Engineer intern

Simi Valley, CA · On-site

$17.25 - $22.50/hr

Job Summary / Objectives The Intern position is focused on Engineering or Physics students that can ... BSME/ BSEE in process or equivalent experience. * Currently enrolled in an Engineering/ Science ...

ISEC, Inc.

Project Engineer Intern

San Diego, CA · On-site

$22/hr

Position Summary An ISEC Project Engineer Intern will gain hands-on experience by assisting Project ... This person will contribute to project operations, estimating, and documentation processes, and ...

isec

Project Engineer Intern

San Diego, CA · On-site

$17.75 - $23/hr

Position Summary An ISEC Project Engineer Intern will gain hands-on experience by assisting Project ... This person will contribute to project operations, estimating, and documentation processes, and ...

isec

Project Engineer Intern

San Diego, CA

$17.75 - $23/hr

Position Summary An ISEC Project Engineer Intern will gain hands-on experience by assisting Project ... This person will contribute to project operations, estimating, and documentation processes, and ...

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All JobsProcess Engineer Intern JobsProcess Engineer Intern Jobs in California

Process Engineer Intern information

See California salary details

$13

$21

$29

How much do process engineer intern jobs pay per hour?

As of Jul 12, 2026, the average hourly pay for process engineer intern in California is $21.89, according to ZipRecruiter salary data. Most workers in this role earn between $18.03 and $25.62 per hour, depending on experience, location, and employer.

What are Process Engineer Interns?

Process Engineer Interns are students or recent graduates who work temporarily in engineering teams to support the design, optimization, and improvement of manufacturing processes. They typically assist with data collection, process analysis, troubleshooting, and the implementation of new technologies or procedures under the supervision of experienced engineers. This internship provides hands-on experience, helping interns apply classroom knowledge to real-world industrial challenges, and often serves as a pathway to a full-time engineering role.

What are the key skills and qualifications needed to thrive as a Process Engineer Intern, and why are they important?

To thrive as a Process Engineer Intern, you need a solid grounding in chemical, mechanical, or industrial engineering principles, often backed by enrollment in a relevant bachelor's degree program. Familiarity with process simulation software (such as Aspen Plus or AutoCAD), data analysis tools, and safety regulations is typically required. Strong problem-solving abilities, communication skills, and attention to detail help interns excel in team environments and tackle process challenges. These skills and qualifications are crucial for optimizing manufacturing processes, ensuring safety, and supporting project goals.

What types of projects and responsibilities can a Process Engineer Intern expect during their internship?

As a Process Engineer Intern, you can anticipate working on a variety of hands-on projects that support process optimization, quality improvement, and efficiency initiatives within manufacturing or production environments. Typical responsibilities may include assisting with data collection and analysis, participating in process mapping, supporting root-cause investigations, and collaborating with multidisciplinary teams such as production, quality assurance, and maintenance. Interns often have opportunities to present their findings and contribute to real-world solutions, providing valuable exposure to daily operations and the chance to develop technical and teamwork skills essential for career advancement.

What is the difference between Process Engineer Intern vs Process Engineer?

AspectProcess Engineer InternProcess Engineer
Required CredentialsTypically pursuing a bachelor's degree in engineering or related fieldBachelor's degree in engineering; often a master's is preferred
Work EnvironmentInternship setting, often in manufacturing or industrial plantsFull-time professional role in similar environments
Employer & Industry UsageInternship programs in manufacturing, chemical, or industrial companiesEstablished companies in manufacturing, chemical, or process industries
Common Search & Comparison IntentYesYes

The main difference between a Process Engineer Intern and a Process Engineer is experience level and responsibilities. Interns are typically students gaining practical experience, while Process Engineers are full-time professionals responsible for process optimization, design, and troubleshooting. Internships serve as a stepping stone toward a full engineering career, with interns working under supervision, whereas Process Engineers independently manage projects and processes in their industry.

What are the most commonly searched types of Process Engineer jobs in California? The most popular types of Process Engineer jobs in California are:
What are popular job titles related to Process Engineer Intern jobs in California? For Process Engineer Intern jobs in California, the most frequently searched job titles are:
What job categories do people searching Process Engineer Intern jobs in California look for? The top searched job categories for Process Engineer Intern jobs in California are:
What cities in California are hiring for Process Engineer Intern jobs? Cities in California with the most Process Engineer Intern job openings:
Process Engineer Intern jobs near you
Infographic showing various Process Engineer Intern job openings in California as of July 2026, with employment types broken down into 92% Full Time, 4% Part Time, 1% Temporary, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $45,536 per year, or $21.9 per hour.
Manufacturing Engineer Intern

Manufacturing Engineer Intern

RD Rubber Technology Corporation

Santa Fe Springs, CA • On-site

$20/hr

Part-time

Posted 5 days ago

Job description

About the Company:
Our mission is to provide our customers with the highest quality and best delivery of products and services that meet or exceed expectations. We are dedicated to remaining at the forefront of the custom rubber molded components industry through continual improvement and innovation with the use of engineered manufacturing techniques.
Job Details:
  • ISO 9001:2015 Certified Quality Management System.
  • AS9100:2016 Certified Quality Management System.
  • DOD Registered
  • NIST 800-171 compliant
  • ITAR Registered

As a manufacturing engineering & technical support intern, you prepare calculations and reports, gain experience with engineering systems, integrate tracking plans, and perform analysis of mechanical design choices. You may help test products, interact with various members of the team, and create or modify CAD models. As an intern your responsibilities are limited, and most employers consider gaining experience to be the most important part of your job.
Many engineering interns focus on building professional relationships in the hope of landing a permanent job after graduating. You may need to develop your skills in engineering, CAD software, and prototyping during your paid internship. Previous hands-on work experience in a manufacturing environment is preferred.
Job Tasks:
  • Support engineering process and productivity improvement projects.
  • Observe, document, and quantify process activities, lead time & run rates.
  • Support 6S and Environment Health and Safety projects.
  • Support technical sales and applications engineering.
  • Support tool inventory management activities.
  • Support quality department improvement projects.
  • Support material and WIP inventory management and improvement activities.
  • Support equipment maintenance management activities and action items.
  • Local candidates preferred.
  • Part time (24-30 hours per week).