• ForeScout Engineer - Active TS/SCI with CI…

    ENS Solutions (Norfolk, VA)
    …Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support , Solutions, and Services ... they engineer solutions to complex challenges for customers using knowledge network engineering, Active Directory, and system administration. In this role,… more
    ENS Solutions (12/06/25)
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  • Cyber Detection Engineer

    Leidos (Ashburn, VA)
    …the environment, developing processes and procedures for new tools and technologies in support of the protection of the customers' systems , networks, and assets. ... intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet… more
    Leidos (12/19/25)
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  • Cybersecurity Project Engineer

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our ... community, defense, civil, and commercial markets. Job Title: Cybersecurity Project Engineer Location: Sterling, VA Clearance: TS/SCI Poly **This position is… more
    Nightwing (12/26/25)
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  • Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    systems + Knowledge of Windows and Linux systems , general operating system security practices, TCP/IP networking, 802.1x, and network security concepts + ... You will work alongside cyber experts to develop solutions that enhance network compliance and security posture across DoD systems . **Responsibilities include… more
    ManTech (12/13/25)
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  • AV Field Engineer 3

    M. C. Dean (Vienna, VA)
    …are seeking an **AV Engineer 3** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will be ... systemcosting for A/V projects + Design, integrate, test and troubleshoot various network and telecommunications systems including IP networks and ISDN networks… more
    M. C. Dean (10/30/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    …with the network service provider to develop and maintain detailed network architecture diagrams. + Evaluate system performance, identify areas for ... products such as firewalls, IPS, antivirus tools, application firewalls, high-availability solutions, network management systems , and virtualized systems . +… more
    ManTech (12/13/25)
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  • Senior Software Engineer (IC4), OCI…

    Oracle (Richmond, VA)
    …congestion management, transport protocols (TCP, RDMA, and hybrids), real-time telemetry, network security, and reliable systems software to deliver efficient, ... provide continuous, fine-grained visibility into transport performance, congestion, and overall network health. + System Implementation: Contribute to the… more
    Oracle (12/11/25)
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  • Senior Infrastructure Engineer - Secret…

    General Dynamics Information Technology (Chantilly, VA)
    …**Job Description:** **GDIT is** **seeking** **a** **Senior** **Infras** **t** **ructure Engineer ** **to** **Defense Information Systems Agency (DISA) Global ... of all infrastructure systems . + **Troubleshooting:** Troubleshoots operating systems , network , storage, identity, virtualization, software, and application… more
    General Dynamics Information Technology (12/14/25)
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  • LVC Integration Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Stafford, VA)
    …makes you an integral part of delivering a customer-focused engineering solution. As a Systems Engineer on our team, you'll have the chance to shape customer ... LVC Integration Engineer The Opportunity: Are you looking for an...+ Experience with the Marine Air Command and Control System ( MACCS ) , Direct Air Support more
    BOOZ, ALLEN & HAMILTON, INC. (01/08/26)
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  • Sepio Security Engineer

    Leidos (Arlington, VA)
    …be considered in lieu of a degree Experience: 3+ years of experience in system security engineering, network security, or a related field, with hands-on ... We are seeking a highly skilled and motivated Sepio Engineer to join our cybersecurity team. In this pivotal...data characteristics. + Security Architecture: Collaborate with IT and network engineering teams to integrate security controls into the… more
    Leidos (11/25/25)
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