• Systems Security Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …SSCP etc.) + Active Secret US Security Clearance with ability to Obtain Top Secret **​** **Qualifications We Prefer:** + Proven track record of maintaining ... by the DoD + Experience with both Windows or Linux operating systems + DoD 8140 Certification...maintaining compliance controls. + Experience with Red Hat Enterprise Linux and Windows Server virtualized administration and… more
    Sierra Nevada Company, LLC (09/10/25)
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  • Sr. Systems Engineer

    Leidos (Fort Belvoir, VA)
    …II or higher Certification such as Security + or CISSP + Active DoD Top Secret /SCI **Preferred Qualifications** + Experience building and delivering IaaS servers ... internal and external mission partners operating in CONUS and OCONUS locations. The Sr Systems Engineer will deploy new Windows and Linux servers and systems… more
    Leidos (09/23/25)
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  • Systems Administrator

    Chenega Corporation (Arlington, VA)
    …operating systems . + DOD IAT Level II Certification is required. + DOD Top Secret clearance w/ SCI eligibility. **Knowledge, Skills and Abilities:** + Proven ... experience with both Windows and Linux operating systems , demonstrating versatility in managing...proficiency in Windows Server, infrastructure management, PowerShell scripting, and Linux administration . + Hands-on experience with SCCM,… more
    Chenega Corporation (09/26/25)
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  • Principal/Sr. Principal Systems…

    Northrop Grumman (Patuxent River, MD)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... considered in lieu of a completed degree. + Active Top Secret clearance (with a background investigation...Linux , Cisco). + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (09/18/25)
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  • Senior System Administrator

    CACI International (Aurora, CO)
    …this contract, you will be on an engineering team that provides IT Systems Administration support to global real-time operational activities. Critical thinking ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...virtual server environments + Hands-on working knowledge of RedHat linux systems + Responsible for pro-active … more
    CACI International (09/03/25)
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  • System Administrator

    BAE Systems (Tucson, AZ)
    …Skills** + Active DoD TS /SCI security clearance + Experience in systems administration and cybersecurity operations and training + Motivated self-starter ... level and/or job specifics. **Required Education, Experience, & Skills** + Active DoD TOP SECRET security clearance with the ability to obtain/maintain a … more
    BAE Systems (09/09/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …of hardware and software in support of developing and testing of information technology systems + Experience with Linux administration + Experience using ... in computer operating systems **Clearance Requirement:** + Must have a current/active TS /SCI with Poly **Physical Requirements:** + Must be able to remain in a… more
    ManTech (09/04/25)
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  • System Administrator - Linux - TS…

    The Metamorphosis Group (Chantilly, VA)
    …policy, and user account administration . 2. Demonstrated experience with Linux administration to include familiarity with troubleshooting network, local ... System Administrator - LINUX - TS /SCI FSP REQUIRED Chantilly,...vSphere (vCenter/ESXi hosts). 5. Demonstrated experience troubleshooting virtual machine/operating systems in virtual environments. 6. Demonstrated experience creating, updating,… more
    The Metamorphosis Group (09/10/25)
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  • Information Systems Security Officer,…

    Lockheed Martin (Sunnyvale, CA)
    …part of this role's responsibility\. **Basic Qualifications:** \- Final Top Secret security clearance with ability to obtain TS /SCI with Polygraph\. \- ... **Description:** **Final Top Secret Security Clearance with the...CISM, CAP, GSLC\. \- Prior experience with Windows or Linux Operating Systems \. **Security Clearance Statement:** This… more
    Lockheed Martin (09/20/25)
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  • Automated Test Framework Software Engineer…

    Leidos (Alexandria, VA)
    …and configuration management tools. + Must have experience working in Windows and/or Linux operating systems and experience working in a virtualized environment ... tracking issues; managing VMs; and using CI/CD tools and basic system admin experience. The selected individual will actively participate in daily stand-ups, Sprint… more
    Leidos (09/27/25)
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