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Process Engineer Intern Jobs in California (NOW HIRING)

Clera

Founding Engineer Intern

San Francisco, CA · On-site

... Engineer Intern to join their founding team in San Francisco. You'll work directly with the CTO to ... Build and ship features daily alongside the CTO to automate the recruiting process end-to-end.

Nirmata

AI Software Engineer Intern

San Jose, CA

As an AI/ML Software Engineer Intern, you will define and implement the AI/ML infrastructure ... event processing Qualifications: * Education: Bachelor's or Master's degree student in Computer ...

Clera

Founding Engineer Intern

San Francisco, CA · On-site

... Engineer Intern to join their founding team in San Francisco. You'll work directly with the CTO to ... Build and ship features daily alongside the CTO to automate the recruiting process end-to-end.

Exa

Software Engineer, Intern

San Francisco, CA · On-site

$100K - $150K/yr

... process it, and design super high performant vector databases to retrieve over it. We now power ... As an engineering intern, you'd play a critical role in lots of our projects. We're pretty flexible ...

Tenex.AI Inc

Software Engineer Intern

San Jose, CA · On-site

We are seeking a highly motivated and versatile Full Stack Engineer Intern to join our core ... Contribute to the improvement of our development processes and tools. * Stay up-to-date with the ...

Voxelcloud

Data Engineer Intern

Los Angeles, CA

$123K - $148K/yr

Reporting to Data Team Lead, the Data Engineer intern will participate in the acquisition and ... Identify, design, and implement internal process improvements: automating data QA, optimizing data ...

L3HHCM20

Electrical Engineer Intern

Anaheim, CA

$71K - $132K/yr

Electrical Engineer Intern Job Code: 39061 Job Location: Anaheim, CA * Participate in the design ... Gather, process, and analyze extensive datasets to inform and support decision-making * Safely ...

New

Voxelcloud

Data Engineer Intern

Los Angeles, CA · On-site

$123K - $148K/yr

Reporting to Data Team Lead, the Data Engineer intern will participate in the acquisition and ... Identify, design, and implement internal process improvements: automating data QA, optimizing data ...

Clera

Founding Engineer Intern

San Francisco, CA · On-site

... process end-to-end with an agentic AI system. As a Founding Engineer Intern , you'll work shoulder ... to-shoulder with the founding team, shipping production features daily and owning meaningful pieces ...

Centerfield

Software Engineer Intern

Los Angeles, CA · Hybrid

As a Software Engineering intern at Centerfield, you'll work directly with our Engineering team ... Work on distributed, event-driven applications that process and deliver data at scale * Collaborate ...

Swinerton Incorporated

Project Engineer Intern

Oakland, CA · On-site

$19.25 - $25/hr

... processing submittals Maintain submittal log Assist with processing RFI's Maintain RFI log on CMS ... Engineering, Construction Management, or Architectural degree completed or in progress, or ...

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Process Engineer Intern information

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How much do process engineer intern jobs pay per hour?

As of Aug 21, 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 is a process engineer intern?

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 do process engineer interns do?

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 are the key skills and qualifications needed to thrive as a process engineer intern?

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 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 August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, 2% Contract, and 1% Nights. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $45,536 per year, or $21.9 per hour.

Founding Engineer Intern

Clera

San Francisco, CA • On-site

Full-time

Re-posted 29 days ago

Job description

About the Role

A fast-growing, pre-seed AI startup in the talent and recruiting space is looking for a Founding Engineer Intern to join their founding team in San Francisco. You'll work directly with the CTO to ship features daily and help build a fully agentic system that automates headhunting end-to-end. This role puts you at the center of rapid experimentation with real ownership and high-impact outcomes — including time in hacker-house environments in Latin America.

What You'll Do

  • Build and ship features daily alongside the CTO to automate the recruiting process end-to-end.

  • Own full end-to-end development — from ideation to production — for core product features.

  • Collaborate with the founding team to design and ship components of an agentic AI system.

  • Talk to users and measure impact on hiring speed to drive rapid iteration.

  • Thrive in a founder-paced, high-output environment with daily feedback loops.

What We're Looking For

Required:

  • At least 6 months of experience with React and TypeScript in a production environment.

  • Hands-on experience with Cursor, Supabase, Prisma, and Typesense in a production React/TypeScript stack.

  • Full-stack focus — not an ML engineer and not overly specialized in a single language (e.g. Python or C++).

  • Strong ownership mindset with the ability to drive features from ideation to production independently.

  • Currently enrolled in or pursuing a degree in Computer Science, Software Engineering, or a related field.

  • Something outstanding about your profile — top GPA, strong university, impressive projects, or an active GitHub.

  • Experience working in entrepreneurial, fast-paced, scrappy environments.

  • Willingness to work 7 days/week and participate in hacker-house setups in LatAm.

Nice to Have:

  • Portfolio or sample projects demonstrating full-stack development and open-source contributions.

Location

Based in San Francisco, CA. On-site role with hacker-house periods in Latin America. Visa sponsorship is available.