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System Administrator Jobs in Illinois.

Illinois is anchored by Chicago's finance, manufacturing, and logistics economy, with agriculture, healthcare, and education across the rest of the state. Browse jobs in Illinois from companies hiring across every field.

System administrators keep servers, systems and services running smoothly day to day. Browse system administrator jobs from companies hiring worldwide.

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Total jobs
32
positions indexed
New today
0
last 24 hours
Companies
22
actively hiring
Worldwide remote
0
from anywhere

How many System Administrator jobs in Illinois are there right now?

There are 32 open System Administrator jobs in Illinois on JobsRadar right now, from 22 companies hiring directly. 20 of them disclose pay, with a median of $104,000 a year and most offers between $97,500 and $114,650. The board was last refreshed on October 25, 2026 at 03:12 UTC.

System Administrator salary range in Illinois

$97.5k 25th
$104k Median
$114.7k 75th
$85.7k
$128k
Box 25th–75th · whiskers 10th–90th Full range $75k – $243k · outliers off-axis
Based on 20 disclosed live listings
Updated Oct 25, 2026 from live listings
See full salary breakdown
role: System Administrator in: Illinois Clear all
Sort Newest Top salary
3Red Partners
General Technologist Submissions: Developers, DevOps, SysAdmin
3Red Partners
⚡ Apply early Chicago/Miami/New York City/Fr... Onsite
● New 👁 Seen ✓ Applied 3d ago
TO
IT Administrator
Talon.One LinkedIn Jobs
⚡ Apply early Chicago; New York Onsite $85,000–$110,000
● New 👁 Seen ✓ Applied 5d ago
Talon.One
IT Administrator
Talon.One
⚡ Apply early Chicago; New York Onsite $85,000–$110,000
● New 👁 Seen ✓ Applied 5d ago
CACI
Systems Administrator (Journeyman)
CACI
⚡ Apply early Nationwide Onsite $75,200–$158,100
● New 👁 Seen ✓ Applied 1w ago
CACI
Cloud Infrastructure Systems Administrator
CACI
⚡ Apply early Remote (Any State) · location restricted $75,200–$158,100
● New 👁 Seen ✓ Applied 1w ago
Argonne National Laboratory
Windows Systems Administrator
Argonne National Laboratory
⚡ Apply early Lemont, IL USA Onsite $69,750–$108,810
● New 👁 Seen ✓ Applied 2w ago
Booz Allen Hamilton
Systems Administrator
Booz Allen Hamilton
⚡ Apply early Arlington Heights, IL Onsite $77,600–$176,000
● New 👁 Seen ✓ Applied 2w ago
IT
Global Systems Support Administrator
ITW
⚡ Apply early DeWitt - 218 E Industrial Onsite $65,000–$75,000
● New 👁 Seen ✓ Applied 2w ago
CAI
Network and Systems Administrator
CAI
⚡ Apply early IL-CLIENT-STATE Onsite $99,840–$108,160
● New 👁 Seen ✓ Applied 3w ago
Invenergy
System Administrator, SNOC/Service Desk
Invenergy
⚡ Apply early Chicago, IL Hybrid $88,000–$108,000
● New 👁 Seen ✓ Applied 3w ago
CG
Senior IT Asset Management Administrator
Cboe Global Markets
⚡ Apply early New York, NY Onsite $107,525–$158,125
● New 👁 Seen ✓ Applied 3w ago
Invenergy
System Administrator, SNOC/Service Desk
Invenergy
⚡ Apply early Chicago, IL Hybrid $88,000–$108,000
● New 👁 Seen ✓ Applied 3w ago
C3EL
IT Support Team Lead / Senior Systems Administrator
C3EL
⚡ Apply early Scott AFB, IL Onsite
● New 👁 Seen ✓ Applied 4w ago
C3EL
End User Support / Systems Administrator
C3EL
⚡ Apply early Scott AFB, IL Onsite
● New 👁 Seen ✓ Applied 4w ago
C3EL
Application Support Specialist / Systems Administrator
C3EL
⚡ Apply early Scott AFB, IL Onsite
● New 👁 Seen ✓ Applied 4w ago
Hopscotch Primary Care
Systems Administrator I
Hopscotch Primary Care
⚡ Apply early Chicago, IL Onsite $80,000–$110,000
● New 👁 Seen ✓ Applied 1mo ago
Leidos
Jr. System Administrator
Leidos
⚡ Apply early O'Fallon, IL Onsite $50,700–$91,650
● New 👁 Seen ✓ Applied 1mo ago
Uline
IT Security Administrator
Uline
⚡ Apply early Pleasant Prairie, WI Onsite
● New 👁 Seen ✓ Applied 1mo ago
Argonne National Laboratory
Linux/HPC System Administrator
Argonne National Laboratory
⚡ Apply early Lemont, IL USA Onsite $86,299–$134,626
● New 👁 Seen ✓ Applied 1mo ago
Resource Innovations
Microsoft System and Identity Administrator
Resource Innovations
⚡ Apply early Salt Lake City, Utah, United S... · location restricted $90,000–$115,000
● New 👁 Seen ✓ Applied 1mo ago
Tovala
Sr. Systems Administrator
Tovala
⚡ Apply early 1021 W Adams St, Chicago, IL Hybrid
● New 👁 Seen ✓ Applied 1mo ago
Kemper
ServiceNow Systems Administrator
Kemper
⚡ Apply early Jacksonville, Florida Onsite
● New 👁 Seen ✓ Applied 1mo ago
Uline
Senior IT Security Administrator
Uline
⚡ Apply early Pleasant Prairie, WI Onsite
● New 👁 Seen ✓ Applied 1mo ago
AD
Senior System Administrator (Storage Engineer)
Adyen
⚡ Apply early Chicago Hybrid $180,000–$243,000
● New 👁 Seen ✓ Applied 1mo ago
OG
IT Systems Administrator
Onni Group
⚡ Apply early Chicago Onsite
● New 👁 Seen ✓ Applied 1mo ago

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Frequently asked questions

How many System Administrator jobs in Illinois are open right now?
32 System Administrator jobs in Illinois are open across 22 companies, as of October 25, 2026.
What do System Administrator jobs in Illinois pay?
Across the 20 System Administrator jobs in Illinois that disclose pay, the median is $104,000 a year, and the middle half of offers falls between $97,500 and $114,650.
Which companies are hiring System Administrator jobs in Illinois?
3Red Partners, Talon.One LinkedIn Jobs, Talon.One, CACI and Argonne National Laboratory are among the 22 companies currently hiring System Administrator jobs in Illinois.
How current are these listings?
Every listing comes straight from the employer’s own careers system and is re-checked three times a day. This page was last updated on October 25, 2026 at 03:12 UTC.

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