Process Engineer Jobs in Illinois

Process Engineer jobs in Illinois are in strong and consistent demand, concentrated in chemical manufacturing, food and beverage production, pharmaceutical processing, and advanced materials, with openings at every level from entry-level process technician through senior principal engineer. The heaviest hiring is in the Chicago metro, Joliet, and Decatur, where companies like Archer-Daniels-Midland, Abbott Laboratories, and BASF maintain major manufacturing and R&D operations. The most sought-after specialties in Illinois include continuous improvement and lean manufacturing, pharmaceutical validation, and chemical process optimization. Find a role that fits below and apply directly.

Find Process Engineer Jobs

Overview

Open roles127+
Top employerMolex
Top cityChicago, IL
Cities hiring64
Work type70% On-site
Top industryConsulting

Showing 5 of 127+ Process Engineer jobs

S&C Electric Company
Process Engineer III
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S&C Electric Company
Added 1d ago
Process Engineer III
S&C Electric Company
Chicago, Illinois
Business Strategy
Product Management
$106k - $141k.59/yr
Bachelor's degree in industrial engineering
1,001-5,000

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Rivian
Sr. Process Engineer, Battery
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Rivian
Added 1d ago
Sr. Process Engineer, Battery
Rivian
Normal, Illinois
Electrical Engineering
Engineering (Non-Software)
Six Sigma Certification
10,000+

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A
Process Launch Engineer
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A
Added 2d ago
Process Launch Engineer
Aisin Manufacturing Illinois
Marion, Illinois
Customer Service & Support
Customer Support
Product Management
Technical Program Management
Associate's degree
10,000+

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Allegion
Process Engineer
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Allegion
Added 2d ago
Process Engineer
Allegion
Princeton, Illinois
Communications
Content & Communications
Public Relations (PR)
$75k - $95k/yr
Bachelor's degree in mechanical engineering

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Ceco Concrete
Ceramic Process Engineer
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Ceco Concrete
Added 2d ago
Ceramic Process Engineer
Ceco Concrete
Warrenville, Illinois
Customer Support
Solutions Engineering & Architecture
Technical Product & Program Management
Bachelor's degree in mechanical engineering

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See All 127+ Process Engineer Jobs in Illinois

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

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Process Engineer Jobs by City in Illinois

Where Illinois roles are concentrated, by current openings.

Lisle
10 jobs
Decatur
5 jobs
Downers Grove
5 jobs
Normal
4 jobs
Buffalo Grove
4 jobs
Oak Brook
3 jobs
Wood Dale
3 jobs
Loves Park
3 jobs

Process Engineer Job Market in Illinois

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

Who's Hiring

Molex
Molex4 open roles
Rivian
Rivian4 open roles
Jobot
Jobot3 open roles

Top Industries Hiring

  • Consulting & Professional Services
  • Manufacturing
  • Biotechnology & Pharmaceuticals
  • Energy
  • Automotive

What Illinois Employers Look For

The qualifications that appear most often in process engineer jobs across Illinois.

  • Bachelor's degree in chemical engineering, industrial engineering, or a closely related technical field
  • Demonstrated experience with process improvement methodologies such as Lean, Six Sigma, or Kaizen
  • Proficiency with process simulation, data analysis, or engineering software used in manufacturing environments
  • Hands-on experience troubleshooting and optimizing production processes in a regulated or industrial setting
  • Familiarity with safety and environmental compliance standards applicable to Illinois manufacturing facilities
  • Strong written and verbal communication skills for cross-functional collaboration with operations and quality teams

Process Engineer Jobs in Illinois: Frequently Asked Questions

How do you become a process engineer in Illinois?

Most process engineer roles in Illinois require a bachelor's degree in chemical, mechanical, or industrial engineering from an accredited program. Illinois does not require a state-specific occupational license to work as a process engineer in industry, though engineers who offer services directly to the public may pursue Professional Engineer licensure through the Illinois Department of Financial and Professional Regulation. Employers in pharmaceuticals and food processing additionally value candidates with Six Sigma certification or experience in FDA-regulated environments.

Which companies hire process engineers in Illinois?

Employers hiring process engineers in Illinois right now include Molex, Rivian, and Jobot, based on current listings on Migrate Mate as of August 2026. Illinois's deep base of chemical, pharmaceutical, and food manufacturing companies means openings arise steadily across both large corporations and mid-size specialty producers throughout the state.

Which Illinois cities have the most process engineer jobs?

Chicago, Lisle, and Decatur have the most process engineer openings in Illinois. The Chicago metro dominates due to its concentration of pharmaceutical manufacturers, chemical distributors, and food processing plants, while smaller cities like Joliet and Decatur are driven by large anchor employers in corn processing, petrochemicals, and agricultural manufacturing that sustain consistent engineering demand.

Are there remote process engineer jobs in Illinois?

Yes, but they're rare. Process engineering is fundamentally a hands-on, plant-floor role, so most positions require on-site presence. About 30% of process engineer openings tied to Illinois are remote or hybrid as of August 2026, and these tend to be concentrated in process design, documentation, or validation planning tasks that can be completed off-site without direct equipment access.

How can I get hired as a process engineer in Illinois with little or no experience?

The most realistic entry path is applying for a process technician, manufacturing engineer associate, or quality engineer role at a large Illinois manufacturer and moving into a process engineering track from there. Companies like Abbott, Caterpillar, and Illinois Tool Works run structured new-graduate rotational programs that give candidates without direct experience exposure to process work. Completing a Six Sigma Green Belt certification or building a portfolio through university capstone projects in process optimization also gives candidates a concrete edge in Illinois hiring.

Where can I find and apply to process engineer jobs in Illinois?

You can find and apply to process engineer jobs in Illinois on Migrate Mate, which lists current openings from employers actively hiring in the state. Find roles that match your experience and location, then apply directly to each position without creating an account or signing up.

See All 127+ Process Engineer Jobs in Illinois

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

Find Process Engineer Jobs