- Northrop Grumman (Aurora, CO)
- …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Polygraph TRAVEL: Yes, 10% of the Time **Description** At...be limited to the following: + Perform as primary Linux Systems Administrator for a… more
- Leidos (Colorado Springs, CO)
- …operations across multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and Maintenance (O&M) ... **Description** Leidos is seeking a Senior System Administrator to maintain a large enterprise IT contract...Tier 2 system administration and/or Tier 3 engineering of Linux based servers/ systems . + Strong experience with… 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...+ Familiarity with computer networks include Microsoft Windows and Linux based operating systems as well as… 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 ... on project results/outputs. + Administer, maintain, and optimize Windows, Linux , and cloud-based systems to ensure high...need from me?** + Active Top Secret/SCI (TS/SCI) with Polygraph security clearance required. Must be US Citizen. +… more
- L3Harris (Schriever AFB, CO)
- …Ansible, Puppet) to automate system deployments and updates. + Support integration of Linux systems with identity services (eg, LDAP, Active Directory) and ... 3 Linux Engineer to provide enterprise-level support for mission-critical systems supporting national security operations. The successful candidate will join a… 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...Must already possess Security Plus (Sec+) Certification. _Desired:_ + Linux training/knowledge. + Full Scope Poly (FSP). - **… 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 optimize… more
- Leidos (Aurora, CO)
- …fast-growing National Security Group! $15k SIGN ON BONUS! Must have an active TS/SCI Polygraph . We are hiring a **Senior Windows Administrator / Test Lab ... 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
- Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
- …a government customer + Familiarity with computer networks include Microsoft Windows and Linux based operating systems as well as knowledge of network ... and global customers. Kratos has an exciting opportunity for a System Administrator to support system and infrastructure engineers, cloud engineers, and developers… more
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