Plant Engineer Jobs in California

Plant Engineer jobs in California are in strong demand, concentrated in the state's manufacturing, oil and gas refining, semiconductor fabrication, and food processing sectors, with openings at every level from entry-level maintenance to senior process engineering roles. The most active hiring metros are Los Angeles, the San Francisco Bay Area, and the Inland Empire, where established employers such as Chevron, Intel, and Procter and Gamble have long-running operations requiring plant engineering talent. The most sought-after specialties in California are process optimization, utilities management, and reliability engineering. Find a role that fits below and apply directly.

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Overview

Open roles29+
Top employerSCAN Health Plan
Top cityLong Beach, CA
Cities hiring21
Work type83% On-site
Top industryHealthcare

Showing 5 of 29+ Plant Engineer jobs

NAES Corporation
Power Plant Engineer
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NAES Corporation
Added 3d ago
Power Plant Engineer
NAES Corporation
McKittrick, California
Specialized Engineering
Mechanical Engineering
Electrical Engineering
Industrial & Manufacturing Engineering
Engineering (Non-Software)
Manufacturing Engineering
$140k - $165k/yr
On-Site
Bachelor's
1,001-5,000

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NAES Corporation
Power Plant Engineer
We won't show you this job again
NAES Corporation
Added 6d ago
Power Plant Engineer
NAES Corporation
McKittrick, California
Specialized Engineering
Mechanical Engineering
Electrical Engineering
Industrial & Manufacturing Engineering
Engineering (Non-Software)
Manufacturing Engineering
$120k - $140k/yr
On-Site
Bachelor's
1,001-5,000

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Genentech
Senior Plant Engineer
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Genentech
Added 1w ago
Senior Plant Engineer
Genentech
Dixon, California
Specialized Engineering
Mechanical Engineering
Electrical Engineering
Industrial & Manufacturing Engineering
Engineering (Non-Software)
Industrial Engineering
Manufacturing Engineering
$110k - $203k/yr
On-Site
Bachelor's
10,000+

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Jobot
Plant Engineer
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Jobot
Added 2w ago
Plant Engineer
Jobot
Lathrop, California
Specialized Engineering
Mechanical Engineering
Industrial & Manufacturing Engineering
Engineering (Non-Software)
Industrial Engineering
Manufacturing Engineering
$155k/yr
On-Site
Bachelor's

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Prime Healthcare Services
Plant Engineer III
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Prime Healthcare Services
Added 2w ago
Plant Engineer III
Prime Healthcare Services
Ontario, California
Specialized Engineering
Mechanical Engineering
Electrical Engineering
Construction
Engineering (Non-Software)
HVAC Technician
$28 - $37/hr
On-Site
High School
10,000+

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See All 29 Plant Engineer Jobs in California

Find roles in California that match your experience and apply in just a few clicks.

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Plant Engineer Jobs by City in California

Where California roles are concentrated, by current openings.

Long Beach
4 jobs
Los Angeles
3 jobs
Huntington Beach
2 jobs
McKittrick
2 jobs
San Jose
2 jobs
Coyote
1 jobs
Dixon
1 jobs
Hayward
1 jobs
Hemet
1 jobs

Plant Engineer Job Market in California

A snapshot from current California openings, updated as new roles post.

Who's Hiring

  • SCAN Health Plan
    SCAN Health Plan5
  • Prime Healthcare Services
    Prime Healthcare Services3
  • Antora Energy
    Antora Energy2
  • Jobot
    Jobot2
  • L.A. Care Health Plan
    L.A. Care Health Plan2

Top Industries Hiring

  • Healthcare & Medical Services6
  • Insurance6
  • Energy4
  • Construction & Real Estate2
  • Staffing & Recruiting2

What California Employers Look For

The qualifications that appear most often in plant engineer jobs across California.

  • Bachelor's degree in mechanical, chemical, or industrial engineering from an accredited program
  • Professional Engineer license issued or recognized by the California Board for Professional Engineers, Land Surveyors, and Geologists
  • Experience with process improvement methodologies such as Lean or Six Sigma in a manufacturing environment
  • Proficiency in AutoCAD, PLC programming, or CMMS platforms used for plant maintenance management
  • Knowledge of California OSHA Title 8 regulations and Process Safety Management requirements
  • Strong project management skills with experience coordinating capital improvement or equipment upgrade projects

Plant Engineer Jobs in California: Frequently Asked Questions

How do you become a plant engineer in California?

Most plant engineer roles in California require a bachelor's degree in mechanical, chemical, or industrial engineering from an ABET-accredited program. California additionally recognizes the Professional Engineer credential, which is administered by the California Board for Professional Engineers, Land Surveyors, and Geologists and requires passing the Fundamentals of Engineering and Professional Engineering exams. Gaining the PE license significantly strengthens candidacy for senior roles, particularly in regulated industries such as refining and utilities.

How much do plant engineers make in California?

Plant engineers in California earn a median of about $124,600 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $77,900 for the lowest 10% to over $172,870 for the top 10%. Pay rises with experience, specialty, and employer.

Which companies hire plant engineers in California?

Employers hiring plant engineers in California right now include SCAN Health Plan, Prime Healthcare Services, and Antora Energy, based on current listings on Migrate Mate as of June 2026. California's concentration of refineries, semiconductor fabs, and large-scale food and beverage manufacturers means plant engineering demand is spread across multiple industry sectors statewide.

Which California cities have the most plant engineer jobs?

Long Beach, Los Angeles, and Huntington Beach are the California cities with the most plant engineer openings. Los Angeles anchors hiring through its dense concentration of aerospace, food manufacturing, and consumer goods facilities, while the Bay Area draws demand from semiconductor and technology manufacturing campuses, and the Inland Empire has grown into a logistics and light manufacturing hub that relies on plant engineers to keep large distribution and production sites running.

Are there remote plant engineer jobs in California?

Yes, but they're rare. Plant engineering is fundamentally hands-on work tied to physical equipment and production floors, so most roles require on-site presence. About 17% of plant engineer openings tied to California are remote or hybrid as of June 2026, and those tend to cover project engineering, capital planning, or technical documentation work that can be done off-site while the core operations role remains in person.

How can I get hired as a plant engineer in California with little or no experience?

The most realistic entry path is an internship or co-op with a California manufacturer during your engineering degree, which frequently converts to a full-time offer. Large California employers in refining and aerospace run structured new-graduate programs that bring in junior engineers with no prior plant experience. Lateral entry from maintenance technician, process technician, or manufacturing engineer associate roles is also common, and candidates who pass the Fundamentals of Engineering exam through the California Board for Professional Engineers, Land Surveyors, and Geologists signal readiness for advancement from day one.

Where can I find and apply to plant engineer jobs in California?

You can find and apply to plant engineer jobs in California on Migrate Mate, which lists current California openings. Search for roles that match your experience level and target industry, then apply directly to the ones that fit.

See All 29 Plant Engineer Jobs in California

Find roles in California that match your experience and apply in just a few clicks.

Find Plant Engineer Jobs