• System Administrator 2

    DCCA (Fort Meade, MD)
    …to excellence. Key Tasks: DCCA is looking for TS /SCI w/Polygraph cleared Systems Administrators with Linux and Windows experience! We have multiple positions ... www.dcca.com System Administrator 2 Candidate must have an active TS /SCI w/ Poly For over 40 years, DCCA has...involved in the resolution process. + Configure and manage Linux , UNIX and Windows operating systems and… more
    DCCA (11/21/25)
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  • Senior Systems Administrator

    RTX Corporation (Tucson, AZ)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret At Raytheon, the foundation of everything we do is ... world. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows...related field. + Active and transferable US government issued Top Secret security clearance is required prior… more
    RTX Corporation (11/13/25)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …relevant experience in system administration + Experience with multiple operating systems , including Linux /Unix & MacOS + Experience and knowledge of ... HS Diploma and 7+ years of lab management or systems administration experience. + 5+ years of...Secret clearance and be able to obtain a TS /SCI clearance. Must be able to obtain DHS Suitability.… more
    ARSIEM (11/13/25)
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  • Azure Infrastructure Support (O&M Engineer) Tech

    Applied Research Solutions (Dayton, OH)
    …years demonstrated performance in related technology. Minimum Security Clearance Required + Top Secret w/ SCI eligibility Additional or Preferred Qualifications ... and personalized attention from ARS Senior Managers. **Responsibilities:** + Support a Linux & Windows AirGapped environment. + Troubleshoot systems as needed,… more
    Applied Research Solutions (11/20/25)
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  • ADC Engineer I, Amazon Dedicated Cloud Relational…

    Amazon (Herndon, VA)
    …A+ or CND (Certified Network Defender) or Network+ or Security- 1+ years of systems administration ( Linux /Windows) experience - 1+ years of support ... that the candidate selected must currently possess and maintain an active TS /SCI security clearance. The position further requires that, after start, the selected… more
    Amazon (11/13/25)
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  • Staff Systems Engineer

    Lockheed Martin (Littleton, CO)
    …within a team and build consensus among stakeholders * Ability to obtain a Top Secret clearance **Desired Skills:** * Experience with Missile Defense Agency ... security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (11/12/25)
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  • System Administrator Level 3

    Jovian Concepts, Inc. (Annapolis, MD)
    …of Positions","uitype":32,"value":"1"},{"fieldLabel":"Clearance Required","uitype":2,"value":" Top ... \n \n <\/div>\n \n Candidate will be responsible for providing Sr. level Linux System Administration support for the program.<\/span><\/span> \n <\/div>\n \n… more
    Jovian Concepts, Inc. (09/24/25)
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  • Exploitation Analyst

    Amentum (Norfolk, VA)
    …networking devices and their configurations. + Knowledge of concepts for operating systems (eg, Linux , Unix). + Knowledge of data communications terminology ... **The clearance requirement for this position is ELIGIBILITY FOR TS /SCI.** **Qualifications** + Bachelor's degree in computer science, cybersecurity, or… more
    Amentum (11/12/25)
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  • Senior Systems Administrator (Onsite)

    BAE Systems (Springfield, VA)
    …at least 5 in a recent systems administrator role) + Must hold a Top Secret /SCI security clearance + Ability to work with little to no supervision + ... proven commitment to quality with a solid understanding of systems administration concepts, network architecture, and familiar...+ Experience with Cloud technology (AWS) + Experience with Linux (Red Hat) + Netapp and storage technologies (NAS)… more
    BAE Systems (11/19/25)
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  • Network Tools and Lab Infrastructure Manager

    Lockheed Martin (Uniondale, NY)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of ... Package Manager using Earned Value Management \(EVM\) \- Active Secret or TS clearance \( TS ...incidents, and security vulnerabilities \- Experience with Windows / Linux environment and administration \- Knowledge and… more
    Lockheed Martin (09/13/25)
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