• Network Engineer IV

    Noblis (Chantilly, VA)
    Responsibilities As a ** Network Engineer IV** , you will provide expert leadership in designing, implementing, and managing sophisticated network systems and ... optimized for Top Secret/SCI environments. + Create and maintain comprehensive network security strategies for classified environments. + Gather complex… more
    Noblis (12/17/25)
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  • Network Firewall Engineer

    CACI International (Sterling, VA)
    … and software-defined networking (SDN) concepts + Hands-on experience with network security concepts, such as VPNs, NAT, IDS /IPS, and DMZ configurations. + ... Network Firewall Engineer Job Category: Information...infrastructure. The ideal candidate will work closely with the network security team to ensure the effective… more
    CACI International (10/25/25)
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  • Security Infrastructure Engineer

    Leidos (Alexandria, VA)
    **Description** As a Security Engineer on our team, you will operate and maintain network security infrastructure utilized by a team of cybersecurity ... procedures and tactics, techniques, and procedures (TTPs) + Maintain complete and current network and elevation diagrams for all managed security equipment +… more
    Leidos (11/15/25)
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  • Splunk Security Engineer

    TekSynap (Rockville, MD)
    …Pythons, Perl, JavaScript, Linux shell scripting) **Overview** We are seeking a Splunk Security Engineer to join our team supporting the Nuclear Regulatory ... and Security Information and Event Management system to collectand aggregate IDS /IPS data from network sensors, raw data from collection agents,… more
    TekSynap (10/17/25)
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  • Network Engineer

    Red Gate Group (Washington, DC)
    …identity services, and traffic flow management. + Support implementation of network -based security controls (firewalls, VPNs, IDS /IPS, ZTNA, ... employee wellbeing. The Red Gate Group is seeking a Network Engineer to support a government client...including Intelligence, Cybersecurity, Information Security , and Physical Security . + Ensure network designs and integration… more
    Red Gate Group (11/18/25)
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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 ... hardware devices based on physical layer data characteristics. + Security Architecture: Collaborate with IT and network ...experience in security technologies such as firewalls, IDS /IPS, and… more
    Leidos (11/25/25)
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  • Principal Endpoint Security Systems…

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity a **Principal Endpoint Security Systems Engineer ** in our **National Security Sector's (NSS) ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...**Job Description** This effort is seeking an experienced endpoint security systems engineer to join our Cyber… more
    Leidos (11/28/25)
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  • Cyber Security Implementation…

    CACI International (Springfield, VA)
    Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... and Response (EDR), Next-Generation Firewalls (NGFWs), Intrusion Detection/Prevention Systems ( IDS /IPS), F5 platforms, email/web security gateways + Strong… more
    CACI International (11/14/25)
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  • Voice Network Engineer

    SAIC (Washington, DC)
    …Provides systems integration utilizing Cisco technologies and ability to implement the latest network technologies such as VOIP, VPN, routing and switching, IDS , ... enterprise class switching. Required to install, troubleshoot, repair, and maintain Cisco VOIP/ Network equipment on the LAN/WAN, test and turn up data circuits, SIP… more
    SAIC (12/03/25)
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  • Information Assurance/ Security

    OCT Consulting, LLC (Washington, DC)
    …Technology. Responsibilities and Duties OCT currently has an opening for an Information Assurance/ Security Engineer , Manager to work with one of our federal ... understanding of information security concepts such as Access Control, Network Security , Cryptography, and Vulnerability Management. Additionally, they must… more
    OCT Consulting, LLC (10/27/25)
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