• Facility Security Officer (FSO)

    SGI Global, LLC (VA)
    …government security representatives, ensuring the protection of classified information , personnel, facilities, and information systems . Responsibilities: ... with attention to detail + Ability to handle sensitive information with discretion and sound judgment + Strong written...and Adobe Acrobat Professional Preferred Qualifications: + Experience with security databases and systems (eg, DISS, NISS,… more
    SGI Global, LLC (01/14/26)
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  • Security Officer - Flex Armed Site

    Allied Universal (Fredericksburg, VA)
    …and incidents as required by site protocols. + Operate communication devices and/or security systems as needed to support security -related operations. ... Allied Universal(R), North America's leading security and facility services company, offers rewarding careers...is preferred. + Experience with access control or badge systems is preferred. + Comfort using a computer or… more
    Allied Universal (01/10/26)
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  • DoD SkillBridge Cyber Security Specialist

    SOS International LLC (Reston, VA)
    …planning, implementation, and maintenance of security measures to protect information technology networks and systems . Works with customers, partners, ... end users and technical staff to implement and maintain systems that utilize industry best practices to meet business...High School Diploma, Bachelor of Science in Cybersecurity and Information Assurance. + Certification (SSCP - System Security… more
    SOS International LLC (11/21/25)
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  • Senior CrowdStrike Falcon Endpoint Security…

    AIG (Reston, VA)
    …Falcon Endpoint Security Engineer will be part of AIG's Enterprise Information Security Organization, responsible for Engineering and Operational support of ... valued member of the team. Make your mark in Information Technology At AIG, technology is at the heart...security goals + Drive the day-to-day administration of security systems , performing advanced threat hunting, and… more
    AIG (10/24/25)
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  • Security Engineer

    Leidos (Lorton, VA)
    …Program contracted mission.In this mission we support the Department of Homeland Security to deliver cybersecurity and information assurance services. **Primary ... Sector at Leidos currently has an opening for a Security Engineer to work in our Lorton, VA office....and approval. **Basic Qualifications** + Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or related field and 8+… more
    Leidos (12/11/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    …and virtualized systems . + Strong understanding of Windows and Linux systems , operating system security principles, TCP/IP networking, 802.1x, and core ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer** to join our team in **Chantilly, VA.** This role supports a… more
    ManTech (12/13/25)
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  • Systems Engineer III

    Noblis (Chantilly, VA)
    … management and integration functions across multi-enclave environments. + Implement comprehensive systems security strategies ensuring all systems are ... security controls for classified workloads + Linux and Windows operating systems with security hardening for classified use + Containerization (Docker,… more
    Noblis (12/22/25)
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  • Systems Engineer IV

    Noblis (Chantilly, VA)
    …multi-enclave environments with focus on Top Secret infrastructure. + Implement comprehensive systems security strategies ensuring all systems are current ... with security controls for classified workloads + Linux and Windows operating systems with security hardening for classified use + Windows Active Directory… more
    Noblis (12/22/25)
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  • Secret Windows Systems Administrator

    Insight Global (Dahlgren, VA)
    …configurations to ensure data integrity. The candidate must also collaborate with Information System Security Officer (ISSO) to obtain system accreditation and ... Job Description Insight Global is seeking a Windows Systems Administrator based in Dahlgren, Virginia, to deliver...configurations to ensure data safety. -Experience collaborating with the Information System Security Officer (ISSO) to obtain… more
    Insight Global (01/13/26)
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  • Senior Systems Engineer

    Syms Strategic Group, LLC (SSG) (Arlington, VA)
    …router switches, etc. + Implement continuous improvement methodology through the use of Information Technology (IT) systems or procedures + Maintain inventory of ... with network monitoring and diagnostic tools + Knowledge of security best practices for production systems +...Formal Education Master's degree or higher in Computer Science, Information Technology, Systems Engineering, or a related… more
    Syms Strategic Group, LLC (SSG) (01/07/26)
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