Process Engineer Jobs in Walnut, CA

1-15 of 63 Jobs

Claremont Fiber Process Engineer Manager

  • US0767 Prysmian Cables and Systems Usa LLC
  • Claremont, CA (11 miles from Walnut, CA)
  • 1 day ago
  • Claremont, CA (11 miles from Walnut, CA)
  • 1 day ago

Return to selected search result Claremont Fiber Process Engineer Manager Apply locations Claremont, NC posted on Posted Today job requisition id R-28965 Description: As a world leader in telecom cable...

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Process Engineer

  • Actalent
  • Orange, CA (16 miles from Walnut, CA)
  • 1 day ago
  • Orange, CA (16 miles from Walnut, CA)
  • 1 day ago

About the Role Are you ready to take on a technical leadership position that bridges the gap between management and junior engineering staff? This mid-level role combines process engineering...

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Wastewater Process Engineer

  • Actalent
  • Orange, CA (16 miles from Walnut, CA)
  • 3 days ago
  • Orange, CA (16 miles from Walnut, CA)
  • 3 days ago

Job Title: Wastewater Process Engineer Location: Orange, CA (On-site) Salary Range: $130,000 - $150,000 + Benefits Employment Type: Full-Time, Direct Hire About the Role Are you ready to take on a technical...

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Process Development Engineer JC

  • CPS, Inc. (Food & Beverage Division)
  • Los Angeles, CA (22 miles from Walnut, CA)
  • 6 days ago
  • Los Angeles, CA (22 miles from Walnut, CA)
  • 6 days ago

Developing and achieving product-by-process viability and design-for-manufacturability at pilot scale which is scalable and capable of meeting project objectives....

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Process Engineer

  • Client
  • Ontario, CA (12 miles from Walnut, CA)
  • 7 days ago
  • Ontario, CA (12 miles from Walnut, CA)
  • 7 days ago

This family-owned business specialises in the design and manufacture of specialist products....

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Process Engineer, Med-Device

  • Actalent
  • Irvine, CA (19 miles from Walnut, CA)
  • 9 days ago
  • Irvine, CA (19 miles from Walnut, CA)
  • 9 days ago

We are seeking a detail-oriented Process Engineer with a strong medical-device expertise and validation engineering experience....

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Process Engineer, Medical-Device

  • Actalent
  • Los Angeles, CA (22 miles from Walnut, CA)
  • 9 days ago
  • Los Angeles, CA (22 miles from Walnut, CA)
  • 9 days ago

We are seeking a detail-oriented Process Engineer with a strong medical-device expertise and validation engineering experience....

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Senior Process Engineer

  • CalPortland
  • Jurupa Valley, CA (23 miles from Walnut, CA)
  • 11 days ago
  • Jurupa Valley, CA (23 miles from Walnut, CA)
  • 11 days ago

The Senior Process Engineer supports efforts throughout the company to optimize the operation, performance, and efficiency of all manufacturing processes....

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Process Engineer I - New Grad 2026 (Multiple Locations)

  • CRB Group, Inc
  • Irvine, CA (19 miles from Walnut, CA)
  • 11 days ago
  • Irvine, CA (19 miles from Walnut, CA)
  • 11 days ago

The Entry-Level Process Engineer may support field installation teams and execute construction site observations....

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Staff Process Engineer, R&D

  • Johnson & Johnson
  • Irvine, CA (19 miles from Walnut, CA)
  • 14 days ago
  • Irvine, CA (19 miles from Walnut, CA)
  • 14 days ago

Engineer to be located in Irvine, CA Purpose: Seasoned individual contributor in a scientific/technology field....

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Process Engineer

  • Siegfried
  • Irvine, CA (19 miles from Walnut, CA)
  • 15 days ago
  • Irvine, CA (19 miles from Walnut, CA)
  • 15 days ago

Process Engineer Employer Siegfried Location 92618, Irvine Salary $90,000 - 100,000 Start date Nov 21, 2025 categories job Click to add the job to your shortlist Job Details The Process Engineer is...

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SMT Process Engineer

  • Emerald Technologies
  • Brea, CA (6 miles from Walnut, CA)
  • 16 days ago
  • Brea, CA (6 miles from Walnut, CA)
  • 16 days ago

Emerald Technologies has an exciting opportunity for a successful Surface Mount Technology (SMT) Process Engineer to join its Brea, CA team!...

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Senior Staff R&D Process Development Engineer

  • Stryker Corporation
  • Irvine, CA (19 miles from Walnut, CA)
  • 17 days ago
  • Irvine, CA (19 miles from Walnut, CA)
  • 17 days ago

What you need: Bachelor's or Master's degree in Mechanical Engineering, Mechatronics, or Biomedical Engineering. 6+ years of experience Preferred Qualifications: Process development or manufacturing...

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Process Engineer

  • Syensqo
  • Anaheim, CA (13 miles from Walnut, CA)
  • 18 days ago
  • Anaheim, CA (13 miles from Walnut, CA)
  • 18 days ago

Syensqo is all about chemistry. We're not just referring to chemical reactions here, but also to the magic that occurs when the brightest minds get to work together. This is where our true...

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Sr Process Engineer - Exempt

  • ATR INTERNATIONAL
  • Irvine, CA (19 miles from Walnut, CA)
  • 21 days ago
  • Irvine, CA (19 miles from Walnut, CA)
  • 21 days ago

ATR ID: ATR223910 Job Title: Sr Process Engineer - Exempt Job Level: Manufacturing/Process/Quality Engineers Duration: 5 months Location: Irvine CA 92617 Education: BS/MS in Engineering Email: Rozen...

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Demographic Data for Walnut, CA

Moving to Walnut, CA? Find some basic demographic data about Walnut, CA below.


Local
National
41,235
2,300
Medium

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Salary for Process Engineer Jobs in Walnut, CA

Estimated salary range based on data from US Bureau of Labor Statistics (BLS) and iHire research efforts.

Licensing / Certification

Required or preferred licenses and certifications for Process Engineer positions.



Highest Education Level

Process Engineers in Walnut, CA offer the following education background
Bachelor's Degree
51.2%
Master's Degree
34.4%
Associate's Degree
4.8%
Doctorate Degree
4.5%
Vocational Degree or Certification
2.6%
High School or GED
1.9%
Some College
0.5%
Some High School
0.0%

Average Work Experience
Here's a breakdown of the number of years' experience offered by Process Engineers in Walnut, CA
2-4 years
23.6%
10+ years
18.1%
Less than 1 year
17.7%
1-2 years
16.4%
None
9.4%
8-10 years
6.1%
6-8 years
4.7%
4-6 years
4.0%