Seniority Profile · Illinois

Senior Network and Computer Systems Administrators salary in Illinois

Roles that require seasoned judgement and the ability to lead projects without supervision. Typically five to ten years of experience and a track record of complete ownership.

By Adrian SerafinFounderUpdated May 4, 2026

BLS percentile range

— – —

MEDIAN to P75 of the Illinois OES distribution for Network and Computer Systems Administrators.

DOL OFLC offered median

$103,383

Across 51 certified filings at this wage level.

Real disclosed salaries

Senior Network and Computer Systems Administrators in Illinois: actual employer-disclosed pay

Public records from 51 certified H-1B Labor Condition Applications filed with the U.S. Department of Labor. Median offered wage: $103,383. Every figure below is an actual offered salary an employer attested to under federal law.

By DOL wage level

DOL classifies every offer into one of four wage levels based on the role's experience and skill requirements.

Level	Filings	Median offer
Level III — experienced	51	$103,383

Top employers filing for this role

Companies with the most certified filings for Senior Network and Computer Systems Administrators in Illinois. Median offer is across all of that employer's filings.

Employer	Most-filed title	Filings	Median
Medline Industries, LP.	Systems Administrator	8	$119,177
COGNIZANT TECHNOLOGY SOLUTIONS US CORP	Manager JC50 - Network and Computer Systems Administrators	6	$98,280
HCL AMERICA INC	Network Administrator - III	4	$101,219
Cisco Systems, Inc.	Customer Escalations Engineer	4	$112,000
HSBC Technology & Services (USA) Inc.	Senior Engineer - KBGFJG368434-1	2	$140,000
Tata Consultancy Services Limited	Network Administrator	2	$90,875
Federal Express Corporation	Sr Ops Administrator	2	$107,155
Asoft Consulting LLC	Site Reliability Engineer	1	$124,800
International Systems Technologies Inc.	Senior Network Engineer	1	$104,728
Millennium Software, Inc.	Administrator “ Cross-Platform Patch Management	1	$108,014

Recent sample filings

A snapshot of recent certified offers. Each line is a real, public, verifiable record.

Site Reliability Engineer at Asoft Consulting LLC
$124,800
CHICAGOWage Level IIIDecided Sep 23, 2025I-200-25259-313335
Senior Network Engineer at International Systems Technologies Inc.
$104,728
ChicagoWage Level IIIDecided Aug 20, 2025I-200-25225-240120
Manager JC50 - Network and Computer Systems Administrators at COGNIZANT TECHNOLOGY SOLUTIONS US CORP
$103,334
AuroraWage Level IIIDecided Aug 13, 2025I-200-25218-223821
Ld Server at Medline Industries, LP.
$135,585
NorthbrookWage Level IIIDecided Aug 11, 2025I-200-25216-219729
Ld Server at Medline Industries, LP.
$135,585
Vernon HillsWage Level IIIDecided Aug 11, 2025I-200-25216-219748
Senior Engineer - KBGFJG368434-1 at HSBC Technology & Services (USA) Inc.
$140,000
ChicagoWage Level IIIDecided Jul 31, 2025I-200-25205-196828
Sr Engineer Telecommunications at Medline Industries, LP.
$134,971
Vernon HillsWage Level IIIDecided Jul 28, 2025I-200-25202-189298
Sr Engineer Telecommunications at Medline Industries, LP.
$134,971
NorthbrookWage Level IIIDecided Jul 28, 2025I-200-25202-189292

Source: U.S. Department of Labor, Office of Foreign Labor Certification. Disclosed wages reflect what employers attested to pay; actual paid wages may differ. Only certified filings are shown — denied and withdrawn cases are excluded.