Linux System Administration Jobs In Illinois - 216 Job Positions Available

1 – 20 of 216 jobs
Bowhead jobs

Overview LINUX SYSTEM ADMINISTRATOR (UNIX) (RDTE) Bowhead is looking for a Linux Systems Administrator (UNIX) in Dahlgren, VA. The Linux Systems Administrator will be responsible for system administration and customer support of servers and workstations in a Research, Development, and Testing, and Engineering (RDT&E)

Bowhead  23 days ago
Resource Management Concepts, Inc. jobs

Resource Management Concepts, Inc. (RMC) provides high-quality, professional services to government and commercial sectors. Our mission is to deliver exceptional management and technology solutions supporting the protection and preservation of the people and environment of the

Resource Management Concepts, Inc.  18 days ago
Credence Management Solutions, LLC jobs

Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide. With 1,700+ team members, 1,500+ AI/data experts,

Credence Management Solutions, LLC  8 days ago
The Tatitlek Corporation jobs

Overview Job specifications are intended to present a descriptive list of the range of duties performed by employees. Specifications are not intended to reflect all duties performed within the job. SUMMARY: The Senior Systems Administrator shall demonstrate

The Tatitlek Corporation  3 days ago
University of Chicago jobs

DepartmentProvost Research Computing Center About the DepartmentThe University of Chicago Research Computing Center (RCC), a unit in the Office of Research, provides high-end research computing resources to researchers at the University of Chicago. It is dedicated

University Of Chicago  28 days ago
STR jobs

This position requires an TS/SCI clearance with CI Polygraph security clearance About the Team Our Information Technology team at STR is a robust assembly of highly skilled professionals dedicated to ensuring the seamless operation and security

STR  22 days ago
First Supply LLC jobs

Overview First Supply, a fifth-generation family-owned company, has served the Upper Midwest for over 125 years. Guided by our Employee Value Proposition, Where Tradition Meets Innovation, we foster a workplace where people learn, grow, and contribute

First Supply LLC  17 days ago
General Dynamics Mission Systems jobs

Basic Qualifications Bachelors degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 5 years of relevant experience; or Masters degree, plus a minimum of 3 years of relevant experience. CLEARANCE

General Dynamics Mission Systems  18 days ago
PGTEK jobs

Senior System Administrator (Windows) Location: McLean, VA (transitioning to Chantilly, VA) Clearance Required: Active TS/SCI with CI Polygraph Salary Range: $185,000 – $265,000 Travel: Up to 20% Overview We are seeking a highly skilled Senior System Administrator to

PGTEK  18 days ago
Dart Entities jobs

Job DetailsLevel: ExperiencedJob Location: Naperville DWC - Naperville, IL 60563Salary Range: $80,000.00 - $90,000.00 Salary/yearJob Category: Information TechnologySummaryWe are seeking an IT Systems Administrator with 3–5+ years of hands-on experience supporting IT systems in a logistics, warehousing, distribution,

Dart Entities  14 days ago
RTX jobs

Date Posted:2026-06-11 Country:United States of America Location:US-MA-WOBURN-WB1 ~ 235 Presidential Way ~ SPENCER BLDG Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior

RTX  15 days ago
General Dynamics Mission Systems jobs

Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 2+ years of job-related experience, or a Masters degree and 6 months of job-related experience. CLEARANCE REQUIREMENTS::

General Dynamics Mission Systems  11 days ago
RTX jobs

Date Posted:2026-06-17 Country:United States of America Location:US-MA-WOBURN-WB2 ~ 225 Presidential Way ~ GODDARD BLDG Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior

RTX  9 days ago
STR jobs

STR is hiring a Systems Administrator with an Active Secret or Top Secret clearance. Help power the infrastructure behind cutting-edge defense research. At STR, our Information Technology team plays a critical role in enabling the research and

STR  9 days ago
Whitman College jobs

WHITMAN COLLEGE Located in the historic community of Walla Walla, Whitman’s vibrant and beautiful tree-lined campus is home to an intellectually diverse, dynamic, welcoming and supportive community of some 500 staff and faculty serving approximately 1,500

Whitman College  9 days ago
Astor & Sanders jobs

Astor & Sanders Corporation (Astor) is an award-winning IT solutions provider headquartered in McLean, VA seeking a System Engineer. This is a full-time and hybrid in the DC Metro area. Roles and Responsibilities Design, develop, and maintain

Astor & Sanders  10 days ago
Bowhead jobs

Overview SYSTEMS ADMINISTRATOR (RDTE) Bowhead seeks a Systems Administrator to provide customer support and technical assistance to users supporting a Research, Development, Test and Evaluation Program in Dahlgren, VA at the Naval Surface Warfare Center Dahlgren Division (NSWCDD).

Bowhead  8 days ago
The Tatitlek Corporation jobs

Overview Job specifications are intended to present a descriptive list of the range of duties performed by employees. Specifications are not intended to reflect all duties performed within the job. SUMMARY: The Senior Windows Systems Administrator shall

The Tatitlek Corporation  3 days ago
Bowhead jobs

Overview SYSTEMS ADMINISTRATOR (WINDOWS) (RDTE) Bowhead seeks a Systems Administrator (Windows) to provide customer support and technical assistance to users supporting a Research, Development, Test and Evaluation Program in Dahlgren, VA at the Naval Surface Warfare Center Dahlgren

Bowhead  1 day ago
Allstate jobs

At Allstate, great things happen when our people work together to protect families and their belongings from life’s uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our

Allstate  3 hours ago

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