• Senior System Administrator

    ManTech (Chantilly, VA)
    …;** to join our team in **Chantilly, VA** . A qualified Senior Systems Administrator will support a secure Windows-based Information System and will ... installation, operation, and maintenance of all current and future Information Systems . Duties and responsibilities involve the support and administration of Windows… more
    ManTech (09/01/25)
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  • RHEL System Administrator III

    RTX Corporation (Chesapeake, VA)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret RHEL Administrator At Raytheon, the foundation of everything we ... safer, more secure world. This job opportunity is for the ROTHR System Administrator position at the Raytheon, ROTHR Chesapeake, Virginia facility. **What you will… more
    RTX Corporation (08/20/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to...- US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -… more
    Nightwing (08/28/25)
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  • System Administrator

    Rite-Solutions Inc. (Dahlgren, VA)
    …| Virginia | Full Time Rite-Solutions, Inc. has a full-time opportunity for a Systems Administrator , on-site in Dahlgren, VA. You will provide daily support for ... that supports a cyber warfare enclave. The Program The Systems Administrator will be part of a...II certification(s) required to work on government IT systems , to include any of the following: CCNA Security,… more
    Rite-Solutions Inc. (08/26/25)
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  • Intermediate PSOC Administrator

    Chenega Corporation (Springfield, VA)
    **Req ID:** 37856 **Summary** **Intermediate PSOC Administrator ** **Springfield, VA** Are you ready to enhance your skills and build your career in a rapidly ... of experience working in the Federal marketplace. The **Intermediate PSOC Administrator ** provides 24/7/365 monitoring services of the customer's IT-enabled Mission… more
    Chenega Corporation (10/01/25)
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  • RHEL System Administrator III

    RTX Corporation (Chesapeake, VA)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our ... safer, more secure world. This job opportunity is for the ROTHR System Administrator position at the Raytheon, ROTHR Chesapeake, Virginia facility. **What you will… more
    RTX Corporation (09/30/25)
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  • Senior Network Administrator

    ManTech (Herndon, VA)
    ManTech seeks a motivated, career and customer-oriented **Senior Network Administrator ** to join our team in **Herndon, VA** . **Responsibilities include but are not ... to identify and resolve issues quickly and effectively utilizing network management systems and tools + Assist with incident management, problem management, and… more
    ManTech (09/01/25)
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  • Senior Systems Engineer

    SAIC (Arlington, VA)
    …years of experience. **Clearance and certification requirements:** + Active Top Secret clearance; ability to obtain a TS /SCI required to maintain employment. ... **Description** SAIC is seeking a motivated, career and customer-oriented **Senior Systems Administrator ** to join our team in Arlington, VA, supporting the… more
    SAIC (09/26/25)
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  • Lab Manager II

    ARSIEM (Arlington, VA)
    …for a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of ... II Clearance Requirement : Must have an active Secret clearance and be able to obtain a TS /SCI clearance. Must be able to obtain DHS Suitability. Candidate… more
    ARSIEM (09/16/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …clearance to be considered and must be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer will be responsible for leading ... is now hiring a Senior Technical Consultant (Principal Network Systems Engineer) to join our team in support of...IAT Level II Computing Environment Cert) + Top Secret Clearance Saliense Consulting LLC provides… more
    Saliense Consulting (10/01/25)
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