• Network Systems Engineer

    SAIC (Chantilly, VA)
    …in the XACTA system + Work with government Information Security systems engineer ( ISSE ) after evaluation, to address liens, due dates for closure, and submit proof ... to complete closure within XACTA + Develop security-related documentation for Assessment and Authorization (A&A) under ICD 503 and associated government directives + Installing, configuring and troubleshooting network hardware issues + Troubleshoot hardware… more
    SAIC (08/07/25)
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  • Senior Information System Security Engineer

    ManTech (Chantilly, VA)
    …a motivated, career and customer-oriented **Senior Information System Security Engineer ( ISSE )** to join our team **in Chantilly, VA.** **Responsibilities include, ... but are not limited to:** + Identify information protection needs for an IS and Network Environment. + Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirements. Design security architectures for use… more
    ManTech (07/03/25)
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  • Senior Information Assurance & Cybersecurity…

    Linchpin Solutions, Inc. (Columbia, MD)
    …roles in DoD or Intelligence Community environments, with responsibilities including ISSM/ISSO/ ISSE /IA Manager functions + Familiarity with systems' IATT and ATO ... processes + Excellent interpersonal, communication, and presentation skills Build Your Career With Us Linchpin Solutions' professional services organization is committed to delivering qualified candidates that meet or exceed clients' technical and management… more
    Linchpin Solutions, Inc. (08/20/25)
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  • Senior Principal Information Systems Security…

    Concurrent Technologies Corporation (Columbia, MD)
    …8 years of directly related experience. + Fourteen (14) years' experience as an ISSE on programs and contracts of similar scope, type, and complexity within the ... Federal Government is required + The Information Systems Security Engineer shall perform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assurance (IA)… more
    Concurrent Technologies Corporation (08/07/25)
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  • Cross Domain Specialist

    BOOZ, ALLEN & HAMILTON, INC. (Columbia, MD)
    …Solutions, including Forcepoint High Speed Guards, OWL Diodes, Radiant Mercury, or ISSE Guards + Experience with the design, deployment, and implementation of ... Network Security components, firewalls, switches, or VPNs + TS/SCI clearance with a polygraph + Bachelor's degree and 10+ years of experience in Cross Domain, or 14+ years of experience in Cross Domain in lieu of a degree + Ability to obtain a DoD 8570 IASAE… more
    BOOZ, ALLEN & HAMILTON, INC. (07/25/25)
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