- Northrop Grumman (Aurora, CO)
- …The Northrop Grumman Classified Solutions team is seeking an experienced **Linux Systems Administrator ** to join its dynamic team of technical professionals. ... include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at… more
- Leidos (Aurora, CO)
- …ON BONUS! Must have an active TS/SCI Polygraph . We are hiring a **Senior Windows Administrator / Test Lab Manager** to join a high performing agile team ... Requirement:** + Candidates must possess an active TS/SCI with Polygraph clearance to be considered for this role. **Required...Must have experience in or familiarity with the following systems : Windows /Linux operating systems , VMware,… more
- General Dynamics Information Technology (Colorado Springs, CO)
- …+ years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator Senior - TS/SCI required** Transform technology into ... Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems...opportunity as a ** Systems Administrator Senior** with GDIT. A career… more
- Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
- …access to Special Access Programs + Must be willing to consent to a CI Polygraph + 3+ years of System Administrator experience in a TS/SCI environment supporting ... the right thing. Kratos is looking for a System Administrator 4 to support system and infrastructure engineers and...and Experience + Familiarity with computer networks include Microsoft Windows and Linux based operating systems as… more
- General Dynamics Information Technology (Colorado Springs, CO)
- … Windows 2008 R2/2012 R2 Server, Microsoft Exchange Server 2003/2010, Microsoft Windows 7/10 operating systems (OS) administration and associated hardware + ... related experience **US Citizenship Required:** Yes **Job Description:** **NETWORK ADMINISTRATOR ** **COLORADO SPRINGS, CO** **Long term program with additional PTO… more
- Leidos (Aurora, CO)
- …Division (MDS) within the Leidos National Security Sector is seeking a skilled Senior Systems Administrator to join a new cyber security program and play a ... impact on project results/outputs. + Administer, maintain, and optimize Windows , Linux, and cloud-based systems to ensure...need from me?** + Active Top Secret/SCI (TS/SCI) with Polygraph security clearance required. Must be US Citizen. +… more
- SAIC (Colorado Springs, CO)
- …SAIC's Horizon 2 contract is seeking an energized and professional **Senior Systems Administrator ** to support the contract's secure operating facilities in ... CO** . Your background in configuring, maintaining, and troubleshooting systems in both Windows and Linux environments...Special Access Programs and willing to consent to a Polygraph examination. **You will wow us even more if… more
- CACI International (Denver, CO)
- Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... 6/24/2025 **The Opportunity:** Join CACI International Inc as a Systems Administrator and play a crucial role...years of relevant experience. + Must be proficient with Windows desktop operating systems , as well as… more
- Fluor (Aurora, CO)
- …at the TS/SCI access level, and have favorably completed a government issued polygraph The Systems Administrator is highly knowledgeable within designated ... are met and manage virtual workstations and servers using VMWare. The Systems Administrator analyzes, evaluates, and proposes recommendations on innovative… more
- Leidos (Aurora, CO)
- …Division (MDS) within the Leidos National Security Sector is seeking a skilled Principal Systems Administrator to join a new cyber security program and play a ... key role in supporting government-critical systems . You will be part of a program that...+ Design, deploy, and maintain enterprise server environments, including Windows , Linux, and hybrid cloud infrastructures. + Manage and… more
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