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Junior Process Engineer Jobs in California (NOW HIRING)

Coreshell Technologies

Process Engineer

San Leandro, CA · On-site

$72K - $85K/yr

We are seeking a Junior Process Engineer to join our battery process technology team. This role supports the development, optimization, and stabilization of electrode, cell assembly, and formation ...

Honeywell - AEROSPACE

Process Engineer II

Milpitas, CA

$92K - $116K/yr

As a subject matter expert, you will provide technical leadership to junior process engineers, fostering a collaborative and learning-oriented environment. At Honeywell, our people leaders play a ...

Honeywell - AEROSPACE

Process Engineer II

Burbank, CA

$92K - $116K/yr

As a subject matter expert, you will provide technical leadership to junior process engineers, fostering a collaborative and learning-oriented environment. At Honeywell, our people leaders play a ...

Honeywell - AEROSPACE

Process Engineer II

Saratoga, CA · On-site

$92K - $116K/yr

As a subject matter expert, you will provide technical leadership to junior process engineers, fostering a collaborative and learning-oriented environment. At Honeywell, our people leaders play a ...

Honeywell - AEROSPACE

Process Engineer II

San Jose, CA

$92K - $116K/yr

As a subject matter expert, you will provide technical leadership to junior process engineers, fostering a collaborative and learning-oriented environment. At Honeywell, our people leaders play a ...

Honeywell - AEROSPACE

Process Engineer II

San Jose, CA

$92K - $116K/yr

As a subject matter expert, you will provide technical leadership to junior process engineers, fostering a collaborative and learning-oriented environment. At Honeywell, our people leaders play a ...

Honeywell - AEROSPACE

Process Engineer II

San Jose, CA · On-site

$92K - $116K/yr

As a subject matter expert, you will provide technical leadership to junior process engineers, fostering a collaborative and learning-oriented environment. At Honeywell, our people leaders play a ...

Honeywell - AEROSPACE

Process Engineer II

Campbell, CA · On-site

$92K - $116K/yr

As a subject matter expert, you will provide technical leadership to junior process engineers, fostering a collaborative and learning-oriented environment. At Honeywell, our people leaders play a ...

Honeywell - AEROSPACE

Process Engineer II

San Jose, CA

$92K - $116K/yr

As a subject matter expert, you will provide technical leadership to junior process engineers, fostering a collaborative and learning-oriented environment. At Honeywell, our people leaders play a ...

Honeywell - AEROSPACE

Process Engineer II

San Jose, CA

$92K - $116K/yr

As a subject matter expert, you will provide technical leadership to junior process engineers, fostering a collaborative and learning-oriented environment. At Honeywell, our people leaders play a ...

Honeywell - AEROSPACE

Process Engineer II

Los Gatos, CA

$92K - $116K/yr

As a subject matter expert, you will provide technical leadership to junior process engineers, fostering a collaborative and learning-oriented environment. At Honeywell, our people leaders play a ...

Honeywell - AEROSPACE

Process Engineer II

Sunnyvale, CA

$92K - $116K/yr

As a subject matter expert, you will provide technical leadership to junior process engineers, fostering a collaborative and learning-oriented environment. At Honeywell, our people leaders play a ...

Honeywell - AEROSPACE

Process Engineer II

San Jose, CA

$92K - $116K/yr

As a subject matter expert, you will provide technical leadership to junior process engineers, fostering a collaborative and learning-oriented environment. At Honeywell, our people leaders play a ...

Honeywell - AEROSPACE

Process Engineer II

San Jose, CA

$92K - $116K/yr

As a subject matter expert, you will provide technical leadership to junior process engineers, fostering a collaborative and learning-oriented environment. At Honeywell, our people leaders play a ...

Honeywell - AEROSPACE

Process Engineer II

Cupertino, CA · On-site

$92K - $116K/yr

As a subject matter expert, you will provide technical leadership to junior process engineers, fostering a collaborative and learning-oriented environment. At Honeywell, our people leaders play a ...

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All JobsProcess Engineer JobsJunior Process Engineer JobsJunior Process Engineer Jobs in California

Junior Process Engineer information

See California salary details

$33.1K

$70.9K

$108.1K

How much do junior process engineer jobs pay per year?

As of Jul 20, 2026, the average yearly pay for junior process engineer in California is $70,859.00, according to ZipRecruiter salary data. Most workers in this role earn between $47,900.00 and $79,000.00 per year, depending on experience, location, and employer.

What are the typical challenges faced by a Junior Process Engineer during their first year on the job?

As a Junior Process Engineer, you may encounter challenges such as adapting to complex manufacturing processes, learning to use specialized software, and understanding industry-specific regulations. It often takes time to become proficient in troubleshooting process issues and collaborating effectively with cross-functional teams like production, quality, and maintenance. With guidance from senior engineers and hands-on experience, you will gradually build confidence and technical expertise, which are key to advancing in this field.

What is the difference between Junior Process Engineer vs Process Technician?

AspectJunior Process EngineerProcess Technician
Required CredentialsBachelor's degree in engineering or related fieldTechnical diploma or associate degree, relevant certifications
Work EnvironmentDesign, analysis, process improvement projectsOperating, maintaining, troubleshooting manufacturing equipment
Employer & Industry UsageManufacturing, chemical, pharmaceutical industriesProduction plants, manufacturing facilities

Junior Process Engineers focus on process design and optimization, often requiring an engineering degree, while Process Technicians handle equipment operation and maintenance with technical diplomas. Both roles are vital in manufacturing settings, but they differ in responsibilities and qualifications.

What does a Junior Process Engineer do?

A Junior Process Engineer assists in designing, implementing, and optimizing industrial processes within manufacturing or production environments. They typically work under the supervision of senior engineers to analyze workflows, troubleshoot problems, and contribute to process improvements to increase efficiency, safety, and product quality. Tasks may include collecting and analyzing data, preparing process documentation, and supporting project teams with technical input. This role often serves as a stepping stone to more advanced engineering positions, allowing individuals to gain hands-on experience and develop their technical skills.

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

To thrive as a Junior Process Engineer, you generally need a bachelor’s degree in chemical, mechanical, or industrial engineering along with solid analytical and problem-solving skills. Familiarity with process simulation software (such as Aspen HYSYS or AutoCAD), data analysis tools, and basic knowledge of industry safety standards are typically required. Strong communication, teamwork, and adaptability help junior engineers effectively collaborate and learn from senior colleagues. These skills and qualifications are crucial for ensuring efficient process optimization, compliance, and professional growth within engineering teams.
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 Junior Process Engineer jobs in California? For Junior Process Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Junior Process Engineer jobs in California look for? The top searched job categories for Junior Process Engineer jobs in California are:
What cities in California are hiring for Junior Process Engineer jobs? Cities in California with the most Junior Process Engineer job openings:
Junior Process Engineer jobs near you
Infographic showing various Junior Process Engineer 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 $70,859 per year, or $34.1 per hour.
Process Engineer

Process Engineer

Coreshell Technologies

San Leandro, CA • On-site

$72K - $85K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 9 days ago

Job description

Coreshell's metallurgical Silicon anode technology delivers high capacity, fast-charging, and superior safety. Our low-cost Silicon-dominant batteries have higher energy density, superior intrinsic thermal safety, and significantly lower cost/kWh compared to current LIBs. Coreshell's Si anode material is lower than the cost of graphite and utilizes the largest abundant critical mineral supply in the US and Europe. We strive to transform the global energy and transportation market by enabling cost effective and secure domestic battery supply.
Core Responsibilities: We are seeking a Junior Process Engineer to join our battery process technology team. This role supports the development, optimization, and stabilization of electrode, cell assembly, and formation processes. The ideal candidate is highly motivated, detail-oriented, and eager to grow into a process expert in next-generation battery technologies .
Responsibilities include:
  • Process monitoring: Monitor daily production KPIs (yield, scrap, downtime) and identify abnormalities.
  • Data analysis: Analyze process and quality data to support root cause investigations.
  • DOE execution: Assist in planning and running Design of Experiments to optimize process parameters.
  • Equipment support: Work with equipment engineers to troubleshoot process issues.
  • SOP documentation: Create and update standard operating procedures and work instructions.
  • Quality collaboration: Support quality teams in defect analysis and corrective actions.
  • Sample preparation: Prepare samples for lab testing (adhesion, resistance, thickness, etc.).
  • Cross functional communication: Collaborate with R&D, Quality, and Production teams to implement improvements.

Preferred Technical Areas:
  • Electrode process: mixing, coating, calendering, slitting
  • Cell assembly: stacking/Z-folding, welding, electrolyte filling, formation
  • Quality systems: SPC, MSA, FMEA
  • Data tools: Python, JMP, Minitab, Tableau (plus)

Qualifications:
  • Bachelor's degree in Chemistry, Chemical Engineering, Materials Science, Mechanical Engineering, Industrial Engineering, or related field
  • 0-2 years of experience in battery cell manufacturing (process development, process technology or manufacturing environment preferred)
  • Strong analytical and problem-solving skills
  • Ability to work in fast-paced production environments
  • Basic understanding of statistical analysis
  • Good communication and teamwork skills

Preferred Qualifications:
  • Internship or project experience in battery manufacturing
  • Experience with DOE, SPC, or Six Sigma tools
  • Familiarity with lithium-ion cell structure and production flow
  • Hands-on experience with lab measurement tools (viscometer, caliper, UTM, etc.)

Location & Benefits: San Leandro, CA. Full-time. $72,000-85,000. Salary and equity options dependent on experience. Dental, vision, healthcare and 401(k) benefits are included. Applications will be screened as received.
Coreshell Technologies is an equal opportunity employer and does not discriminate on the basis of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, ancestry, age, disability, genetic information, military or veteran status, marital status, or any other protected status under California law.
Applicants requiring reasonable accommodation during the application or interview process should notify the recruiting team.

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