• Senior Information System

    KBR (Chantilly, VA)
    Title: Senior Information System Security Officer (ISSO) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end ... critical information assets, ensuring compliance with relevant security policies, standards, and regulations. The Senior ...Develop, update, and/or review RMF documentation to include the System Security Plan (SSP), Security more
    KBR (12/24/25)
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  • Senior Information System

    ManTech (Quantico, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information System Security Officer (ISSO)** to join our team in **Quantico, VA.** ... following Information Assurance Management (IAM) Level III certifications: Certified Information Systems Security Professional (CISSP), Global … more
    ManTech (12/06/25)
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  • Cleared Senior Information

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to ... take the next steps in your career as an Information Systems Security Engineer (ISSE)?...enterprise services and cyber network defense capabilities. As aSenior Information System Security Engineer (ISSE),… more
    Virtual Service Operations (11/09/25)
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  • Nautical

    UIC Government Services and the Bowhead Family of Companies (Alexandria, VA)
    …Analyst - Journeyman + Financial Business Analyst - Senior + Helpdesk Specialist + Information System Security Officer - Journeyman + Information ... Security Officer - Senior + Information System Security Officer -...Master + IT Training Specialist - SME + Cloud Systems Architect - Senior + Cloud … more
    UIC Government Services and the Bowhead Family of Companies (10/30/25)
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  • Security Manager CPSO

    Noblis (Chantilly, VA)
    … apparatus that enables business operations while protecting our Nation's most trusted information . **The Senior Security Manager will have the following ... or urgent matters. + Oversees investigations of suspected insider threats, security incidents, and suspectedcompromises of classified information . + Provides… more
    Noblis (12/20/25)
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  • Security Manager

    General Dynamics Information Technology (Fairfax, VA)
    …and IT Risk Management **Skills:** Assessment & Authorization (A&A), Information Security Operations, Information System Security **Certifications:** ... Certified in Governance, Risk and Compliance (CGRC) | International Information System Security Certification Consortium...we do. Join our team at GDIT as an ** Information Security Analyst Senior Principal**… more
    General Dynamics Information Technology (12/14/25)
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  • Senior IT Systems Solution Architect…

    General Dynamics Information Technology (Fairfax, VA)
    …Required:** None **Job Family:** Software Engineering **Skills:** Cloud Computing,Design,Software Systems , System Designs **Experience:** 8 + years of related ... a related field + 8+ years of experience in systems engineering with strong emphasis on senior -level...IT standards, industry trends, and best practices for ensuring system reliability and security + Proficiency in… more
    General Dynamics Information Technology (12/17/25)
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  • Senior Security Systems

    Imagine One Technology & Management (Dahlgren, VA)
    …**for this role.** Imagine One Technology & Management, Ltd. is seeking two (2) ** Senior Security Systems Engineers** . These positions are contingent upon ... work and will be performed in Dahlgren, Virginia. The ** Senior Security Systems Engineers** will...be certified and accredited. + Research and apply Defense Information Systems Agency (DISA) Security more
    Imagine One Technology & Management (12/24/25)
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  • Senior Systems Security

    TekSynap (Dahlgren, VA)
    …is seeking a **S** **enior S** **ystem** **s Security Engineer** **.** The Senior Systems Security Engineer (SSE) serves as Key Personnel under the ... testing and evaluation (ST&E) activities prior to authorization. + Ensure information system security controls are implemented andoperatingeffectively… more
    TekSynap (10/31/25)
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  • Senior Security Systems

    Cydecor, Inc. (Dahlgren, VA)
    …unyielding commitment to Excellence, what separates us. Job Description: Cydecor is seeking a Senior Security Systems Engineer to support cybersecurity and ... be certified and accredited. + Research and apply Defense Information Systems Agency (DISA) Security ...Vulnerability Management (IAVM) Plans. + Develop and maintain the System Security Administrator and Operators Manual (SSAOM).… more
    Cydecor, Inc. (12/21/25)
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  • Senior Systems Security

    EPS Corporation (Dahlgren, VA)
    Senior Systems Security Engineer...risk analysis + SCAP scanning and STIG implementation + System accreditation and security audits + Malware ... (760) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems Security Engineer Location Dahlgren, VA 22448 US (Primary) Job… more
    EPS Corporation (11/13/25)
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  • Systems Engineer Senior I

    ULTRA ELECTRONICS OCEAN SYSTEMS INC. (Chantilly, VA)
    …of the design, and finally through the integration and test events. The Systems Engineer is expected to provide system level trade-space assessments of ... Requirements Candidates must be eligible to obtain the relevant security clearance required for the role, due to the...integration and test events for combined hardware and software systems + Ability to document and specify system more
    ULTRA ELECTRONICS OCEAN SYSTEMS INC. (12/23/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    system administration, and information assurance support for combat system interface simulation, test, analysis, and training systems associated with ... and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat ...Microsoft Windows computer operating systems , LINUX operating systems , CISCO Systems , computer security more
    SimIS Inc. (11/06/25)
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  • Senior System Engineer

    KBR (Chantilly, VA)
    Title: Senior System Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology ... contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape...position based upon contract award KBR is seeking a Senior Systems Engineer to join our team… more
    KBR (12/17/25)
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  • Information System Security

    Linchpin Solutions, Inc. (Quantico, VA)
    Information System Security Manager (ISSM) Quantico, VA (http://maps.google.com/maps?q=Quantico+VA+USA+22134) Job Type Full-time Description If you are ... We are currently hiring for a dynamic and experienced Information System Security Manager (ISSM)....including audits, corrective actions, and continuous improvement initiatives. + Senior Systems Engineer-Coordinates on system more
    Linchpin Solutions, Inc. (11/22/25)
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  • Network Engineer Senior ( Security

    General Dynamics Information Technology (Fort Belvoir, VA)
    …4-7, firewall, Site-to-Site VPN, DMVPN, etc) to resolve problems on the customer information system . + Analyze, plan, and implement access control lists (ACL), ... related experience **US Citizenship Required:** Yes **Job Description:** **Network Engineer Senior ( Security ) - TS/SCI required** Transform technology into… more
    General Dynamics Information Technology (12/09/25)
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  • Senior System Engineer

    TekSynap (Fort Belvoir, VA)
    …Certification: + Certified Information Security Manager (CISM) + Certified Information Systems Security Professional (CISSP) + GIAC Security ... Leadership Certification (GSLC) + Certified Chief Information Security Officer (CCISO) + Cisco Certified Network Professional Routing (CCNP) + Cisco Certified… more
    TekSynap (12/11/25)
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  • Senior System Administrator (2nd…

    RTX Corporation (Springfield, VA)
    … clearance. + Security + DoD 8570 certification or higher. + System administration experience across Linux systems . + Experience in the Intelligence ... government function which helps the nation meet its national security strategy. This is for an on-site system...of the Department of Defense, handles and adjudicates the security clearance process. More information about … more
    RTX Corporation (12/14/25)
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  • Senior Systems Administrator…

    TekSynap (Dahlgren, VA)
    …in Unix and/or Linux system administration of networks and software systems , including system backup and recovery; security management and library ... TheTekSynap is seeking a **S** **enior S** **ystem** **Administrator (Unix/Linux).** The Senior Systems Administrator (Unix/Linux) serves as Key Personnel under… more
    TekSynap (10/31/25)
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  • Senior Systems Enterprise Architect

    SAIC (Chantilly, VA)
    …real-time surveillance and activity-based intelligence information . As a Systems Enterprise Architect, you will provide system enterprise architecting, ... **Description** **JOB DESCRIPTION:** SAIC is seeking a Senior Systems Enterprise Architect with a...analysis, and system of systems engineering solutions that determine current and future national… more
    SAIC (12/06/25)
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