• Information System Security Engineer…

    CACI International (Sterling, VA)
    …POA&M, etc.) as required Qualifications: Required: - 5+ years working as an ISSE and/or Linux system administrator - Active Top Secret clearance with SCI ... Information System Security Engineer - ISSE Job...you will get to help shape and design the security features in the next generation systems .… more
    CACI International (08/26/25)
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  • Information System Security Engineer…

    Assertive Professionals (Chantilly, VA)
    …Desired Experience and Qualifications: + Certified Information Systems Security Professional (CISSP) Certification(s). + Certified Splunk Administrator ... Information System Security Engineer (ISSE) About the...in several of the following areas: + Securing mission systems through the ICD 503 process for security more
    Assertive Professionals (07/10/25)
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  • Cyber Security Engineer

    BAE Systems (Herndon, VA)
    …years' experience. + Strong knowledge of Windows and Linux operating systems + Familiarity with system hardening, patch management, and configuration ... provides engineering, integration and sustainment support for critical military platforms and systems . Intelligence & Security provides services and products to… more
    BAE Systems (09/09/25)
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  • Lab Manager / System Administration

    Node.Digital (Arlington, VA)
    …Node is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and ... acceptable performance and user accessibility, establish back-ups, and monitor systems security . - Troubleshoot and resolve complex...- 2+ years of directly relevant experience as a Linux System Administrator . - 2+… more
    Node.Digital (09/17/25)
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  • System Admin - Advanced Electronic…

    Lockheed Martin (Virginia Beach, VA)
    systems /subsystems utilizing Linux , Microsoft, and/or other operating systems \. Comp TIA Security \+ certification and demonstrated networking experience ... Lockheed Martin: An Award\-Winning Place to Work **WHO YOU ARE** Seeking experienced System Administrator to support the Space fence radar operations site… more
    Lockheed Martin (09/20/25)
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  • Security Software Engineer - Red Team…

    Imagine One Technology & Management (Dahlgren, VA)
    …Author recommendations for improving software and code design. + Contribute to a System Security Administrator and Operators Manual (SSAOM). Desired ... administrate computer systems running HP-UX, UNIX, Solaris, Linux and Microsoft Windows. + Identify security ...(STIGs). + Apply virtual hosting and server technology in system architectures. + Understand and apply the concept of… more
    Imagine One Technology & Management (09/24/25)
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  • System Support-US Citizens Only - TS/SCI FS…

    The Metamorphosis Group (Chantilly, VA)
    …with security -controlled systems . + Demonstrated experience as an Oracle LINUX Systems Administrator . + Demonstrated experience in Oracle EXADATA ... from Sponsor's Front Office. The Contractor shall maximize the security of the system by protecting Sponsor...administration. + Demonstrated experience with LINUX systems engineering and administration. + Demonstrated… more
    The Metamorphosis Group (08/09/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    …+ Experience with assessing security relevant applications. + Experience as a System Administrator , Information System Security Manager, or ... application of the Defense Information Systems Agency (DISA) Security Technical Implementation Guides. + Operating System /Computing Environment certificate… more
    Tau Six (07/23/25)
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  • Systems Admin/DBA (Secret Clearance) - DC…

    General Dynamics Information Technology (Falls Church, VA)
    …management system (DBMS) products + Address all vulnerabilities identified via system scanning ** Systems Administrator Senior Advisor Requirements and ... a qualified, motivated individual to join GDIT as a ** Systems Administrator Senior** . As part of...centralized identity management and multi-factor authentication + Perform regular system updates and security patches + Validate… more
    General Dynamics Information Technology (08/29/25)
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  • Host Based Security Solutions Analyst

    ManTech (Norfolk, VA)
    …Trellix Endpoint Security (ENS) Client, ENS Firewall, Threat Prevention, Rogue System Detectors on enterprise Microsoft and Linux endpoints; maintaining ma ... Security Requirement Guidelines (STIG/SRG) guidance, applicable Task orders, and best security practices. + Perform system administration of HBSS servers,… more
    ManTech (08/29/25)
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