• Network Engineer (Levels 2, 3)

    CACI International (Springfield, VA)
    …(WAN), local-area (LAN), and campus-area (CAN) networks across multiple security domains. We are seeking mission-focused network engineering professionals at ... and enhance NGA networks and cybersecurity posture in support of national security . For additional information and a list of current openings, please visit… more
    CACI International (11/10/25)
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  • Software Developer 3 - OCI Networking, DDoS…

    Oracle (Richmond, VA)
    …application-layer threats. + Analyze industry trends in network architecture and security threats to help guide ongoing system enhancements. + Participate in ... to join our Networking organization, specializing in DDoS and Network Security . In this role, you will...with a strong background in developing robust, distributed software systems and a keen interest in cloud networking and… more
    Oracle (12/20/25)
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  • Principal Software Developer 4 - OCI Networking,…

    Oracle (Richmond, VA)
    …operating distributed systems or cloud infrastructure. - Working knowledge of network technologies or security principles, with an interest in advancing ... to join our Networking organization, focusing on DDoS and Network Security . In this strategic role, you...Lead the design, development, and continuous improvement of distributed systems that enhance the security and resiliency… more
    Oracle (11/25/25)
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  • Core/WAN Network - Tier 3

    CACI International (Sterling, VA)
    CORE/WAN Network - Tier 3 Job Category: Information...processes to daily activities. + Maintain thorough knowledge of network and security systems . + ... standardization and industry best practices + Follows all Customer network security processes and procedures, ensures compliance...and configure WAN hardware, including voice, video, and data systems . + Support the development of system more
    CACI International (12/19/25)
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  • Network Engineer/Architect SME

    Leidos (Fort Belvoir, VA)
    …complex and geographically enterprise networks . + Expert knowledge of DoD security requirements for network infrastructure. + Demonstrated experience in ... implementations plans, as well as diagnosing and troubleshooting outages, monitoring networks , infrastructure and systems , and proving proactive mitigation… more
    Leidos (12/06/25)
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  • Instrumentation and Controls Engineer…

    MPR Associates (Alexandria, VA)
    …(DCS) and/or Programmable Logic Controller (PLC) systems and control system devices, computers, communications, and networks . + Experience designing, ... on networked communication architectures. + Design, configure, and maintain robust industrial network systems , including Ethernet/ IP, Modbus, Profibus, OPC UA,… more
    MPR Associates (11/18/25)
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  • Cyber Systems Security Engineer Sr.

    Gromelski & Associates, Inc. (Manassas, VA)
    …Integrated Logistics Support, Training Development and Delivery, Multimedia Support, and Technical System Support._ **_Cyber Systems Security Engineer Sr. ... and tailored solutions. . Collaborating across teams on secure system and network design that balances mission...tasks, and mentoring team members. **_Cyber Systems Security Engineer Sr. Required Skills:_** . An Information more
    Gromelski & Associates, Inc. (12/05/25)
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  • AWS Security Manager

    System One (Herndon, VA)
    …and infrastructure as code * Enforce controls for logging, encryption, network segmentation, patching, vulnerability management * Drive security automation ... * Participate in on-call rotations to support 24/7 production systems and respond to incidents as they arise Required... compliance or audit certification * Experience with container security (EKS/ECS) System One, and its subsidiaries… more
    System One (12/18/25)
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  • Cyber Operations Readiness Assessment Reviewer

    TekSynap (Fort Belvoir, VA)
    …technical Reviewer across one or more assessment domains including Boundary Security , Network Infrastructure, DNS, Virtualization, Vulnerability Scanning, Cross ... + Support Traditional Security Reviews by applying SPēD-aligned security fundamentals, assessing personnel, physical, information , industrial, and overall… more
    TekSynap (12/02/25)
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  • Cybersecurity SIEM Systems Engineer

    BAE Systems (Sterling, VA)
    …+ Master s degree in information technology, Cybersecurity, Data Science, Information Systems , Computer Science, or related field. + **Certifications:** + ... Team that's Shaping the Future of Cybersecurity** At BAE Systems , we're passionate about protecting people and organizations from...monitor, detect, and respond to threats on all supported networks and enclaves. You will ensure security more
    BAE Systems (10/30/25)
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