Reactor Engineer Jobs in Illinois

Reactor Engineer jobs in Illinois are open across Byron, Braceville, and Cordova and other Illinois metros, with employers like Constellation, Constellation Energy, and King And Rector Farms Partnership hiring at every experience level. Find a role that fits below and apply directly.

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Overview

Open roles8+
Top employerConstellation
Top cityByron, IL
Cities hiring5
Work type100% On-site
Top industryEnergy

Showing 5 of 8+ Reactor Engineer jobs

Constellation Energy
Senior Reactor Operator
We won't show you this job again
Constellation Energy
Added 1w ago
Senior Reactor Operator
Constellation Energy
Morris, Illinois
$109k - $182k/yr
On-Site
High School
10,000+

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Constellation
Senior Reactor Operator
We won't show you this job again
Constellation
Added 4mo ago
Senior Reactor Operator
Constellation
Cordova, Illinois
$159k - $182k/yr
On-Site
High School

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Constellation
Senior Reactor Operator
We won't show you this job again
Constellation
Added 4mo ago
Senior Reactor Operator
Constellation
Byron, Illinois
$159k - $182k/yr
On-Site
High School

Have you applied for this role?

Constellation
Senior Reactor Operator
We won't show you this job again
Constellation
Added 5mo ago
Senior Reactor Operator
Constellation
Braceville, Illinois
$159k - $182k/yr
On-Site
High School

Have you applied for this role?

Constellation
Senior Reactor Operator
We won't show you this job again
Constellation
Added 5mo ago
Senior Reactor Operator
Constellation
Braceville, Illinois
$159k - $191k/yr
On-Site
High School

Have you applied for this role?

See All 8 Reactor Engineer Jobs in Illinois

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

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Reactor Engineer Jobs by City in Illinois

Where Illinois roles are concentrated, by current openings.

Byron
3 jobs
Braceville
2 jobs
Cordova
1 jobs
Morris
1 jobs
New Berlin
1 jobs

Reactor Engineer Job Market in Illinois

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

Who's Hiring

  • Constellation
    Constellation6
  • Constellation Energy
    Constellation Energy1
  • King And Rector Farms Partnership
    King And Rector Farms Partnership1

Top Industries Hiring

  • Energy4
  • Technology & Software3
  • E-Commerce & Online Marketplaces2
  • Consulting & Professional Services1

What Illinois Employers Look For

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

  • Bachelor's or master's degree in nuclear engineering or closely related field
  • Proficiency with reactor physics or thermal-hydraulics codes such as MCNP, RELAP, or SCALE
  • Experience with NRC licensing, safety analysis reports, or design-basis calculations
  • Active or eligibility for a Department of Energy or Department of Defense security clearance
  • Knowledge of nuclear fuel cycle, core design, or reactor operations principles
  • Familiarity with 10 CFR regulatory requirements and nuclear quality assurance standards

Reactor Engineer Jobs in Illinois: Frequently Asked Questions

How many reactor engineer jobs are there in Illinois?

There are 8+ reactor engineer openings in Illinois on Migrate Mate as of June 2026, with the most roles in Byron, Braceville, and Cordova. New positions post regularly as employers across Illinois hire.

How much do reactor engineers make in Illinois?

Reactor engineers in Illinois earn a median of about $134,510 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $102,890 for the lowest 10% to over $171,060 for the top 10%. Pay rises with experience, specialty, and employer.

Which Illinois cities have the most reactor engineer jobs?

Byron, Braceville, and Cordova have the most reactor engineer openings in Illinois right now, with additional roles spread across smaller metros statewide.

Which companies hire reactor engineers in Illinois?

Employers hiring reactor engineers in Illinois include Constellation, Constellation Energy, and King And Rector Farms Partnership, based on current listings on Migrate Mate as of June 2026.

Are there remote reactor engineer jobs in Illinois?

Yes. About 0% of reactor engineer openings tied to Illinois are remote or hybrid as of June 2026. The rest are on-site roles based in Illinois metros.

How do I apply for reactor engineer jobs in Illinois?

You can apply to reactor engineer jobs in Illinois directly on Migrate Mate. Search the listings above, find roles that match your experience and preferred Illinois location, then apply to each one that fits.

See All 8 Reactor Engineer Jobs in Illinois

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

Find Reactor Engineer Jobs