• Network Systems Engineer - TS/SCI w/Poly

    Parsons Corporation (Mclean, VA)
    …using Cisco and other industry-leading technologies. + Configure and manage servers, operating systems , and network devices to ensure seamless integration and ... Support the configuration, management, and troubleshooting of encryptors, secure communication systems , and system -level security protocols. + Perform network… more
    Parsons Corporation (09/09/25)
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  • Senior Information System Security Officer…

    Tyto Athene (Fairfax, VA)
    **Description** Tyto Athene is searching for a **Senior Information System Security Officer (ISSO)** to be responsible for the overall handling of information ... a large, complex IT infrastructure program in Washington DC. Systems are deployed using a public cloud service provider...documents that you will be responsible for are the System Security Plan (SSP), Risk Assessment Report, Security Assessment… more
    Tyto Athene (09/16/25)
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  • Systems Administrator - TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …including deployments, patches, security checks, and maintenance. + Upgrade and maintain operating systems and application software on LINUX (Linux RHEL, CentOS, ... standard operating procedures, administrative instructions, After Action Reports for system outages, task status updates, and customer reports. + Support for … more
    General Dynamics Information Technology (09/17/25)
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  • Systems Engineer, Senior

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …desired * Technical Proficiency: Strong understanding of computer hardware, software, operating systems , networks, and databases. * Analytical and ... desired * Technical Proficiency: Strong understanding of computer hardware, software, operating systems , networks, and databases. * Analytical and… more
    CGI Technologies and Solutions, Inc. (09/30/25)
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  • Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …the functionality and efficiency of a group of computers running on one or more operating systems . + Understand all the different systems that are monitored ... Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** System Administration,Technical Work,Troubleshooting ** Certifications :** CompTIA Security+ CE… more
    General Dynamics Information Technology (09/02/25)
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  • Information Systems Security Engineer

    ManTech (Norfolk, VA)
    …and DISA ACAS certification + Experience with eMass + Computing Environment/ Operating System (CE/OS) certifications (Preferably VMware, Linux and/or ... maintain project and program documentation which contain IS stipulations, such as system security plans (SSP), certification and accreditation (C&A) packages,… more
    ManTech (09/16/25)
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  • System Safety Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Arlington, VA)
    …including Preliminary Hazard Analysis ( PHA ) , Subsystem Hazard Analysis ( SSHA ) and System Hazard Analysis ( SHA ) , Operating and Support Hazard Analysis ( O ... System Safety Engineer The Opportunity: Are you looking...Principal for Safety ( PFS ) , or Certified Systems Engineering Professional ( CSEP ) Certification … more
    BOOZ, ALLEN & HAMILTON, INC. (09/13/25)
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  • Sccm/Mecm System Administrator

    Leidos (Alexandria, VA)
    …issue trends + Experience with server patch management methodologies + Experience with Operating System (OS), software and patch deployments via SCCM/MECM + ... support operations across multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and Maintenance… more
    Leidos (09/12/25)
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  • Part-Time High Energy Laser Scientist

    Nou Systems, Inc. (Fort Belvoir, VA)
    …defense systems . The SEA Team provides comprehensive Missile Defense System Developmental Test analyses, future Missile Defense System architecture modeling ... Missile Defense Agency is performing a manpower assessment. nou Systems is continuing to accept applications and consider candidates...pleased to announce an opening for a Missile Defense System High Energy Laser Scientist who will join our… more
    Nou Systems, Inc. (09/04/25)
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  • Information Systems Security Engineer

    CACI International (Norfolk, VA)
    …and DISA ACAS certification + Experience with eMass + Computing Environment/ Operating System (CE/OS) certifications (Preferably VMware, Linux and/or ... maintain project and program documentation which contain IS stipulations, such as system security plans (SSP), certification and accreditation (C&A) packages,… more
    CACI International (09/30/25)
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