• Network Engineer (TS/SCI)- Senior…

    Vexterra Group (Bethesda, MD)
    Vexterra Group is currently searching for a TS/SCI cleared network engineer to provide the following database system support: Primary Responsibilities + Provide ... be considered in lieu of a degree + Demonstrated experience with network security such as firewalls and ACL's. + Demonstrated experience working in multivendor… more
    Vexterra Group (10/14/25)
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  • Modernization Cyber Network Intrusion…

    Lockheed Martin (Hanover, MD)
    …Master's degree in a relevant discipline \+ 2 years professional experience in network security analysis\. * Cisco certification \(CCNA, CCNP, or higher\) ... protecting the nation's digital lifelines from sophisticated intrusion attempts\. As a Network Intrusion Detection Engineer , you will: * Safeguard the networks… more
    Lockheed Martin (11/15/25)
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  • Senior Network Engineer

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Network Engineer Clearance Required: Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Network Engineer is ... performance, ensuring reliable connectivity and throughput. + Implement and enforce network security procedures and standards. + Install and support network more
    Black Bear Technology Solutions, LLC (09/13/25)
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  • Network Engineer

    Leidos (Odenton, MD)
    **Description** Leidos is seeking a ** Network Engineer ** to provide network operations and engineering sustainment support to a mission critical IP messaging ... citizenship with an active Top Secret/SCI.** **Primary Responsibilities:** + Network integration, testing, security engineering, and implementation configuration… more
    Leidos (12/10/25)
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  • Senior Information Security Systems…

    Leidos (MD)
    …related field with a minimum of 20 years of experience as an Information Systems Security Engineer (ISSE) or System Engineer on programs and/or contracts ... **Description** **Program Summary** As a Senior Information Security Systems Engineer (ISSE) you will...(RMF) and conducting cybersecurity risk assessments + Expertise in network technology and systems security engineering. Experience… more
    Leidos (11/26/25)
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  • Security Engineer

    CACI International (College Park, MD)
    Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... We are looking for a proactive and experienced Technical Security Engineer to join our cybersecurity team....hands-on coding projects 2. Proficiency in Linux operating system, network security , including firewalls, VPNs, IDS/IPS, and… more
    CACI International (11/08/25)
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  • Information Systems Security

    CACI International (Fort Meade, MD)
    Information Systems Security Engineer (Multiple Levels) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI ... * * CACI is looking for talented **Information Systems Security Engineer (ISSE)** around the Fort Meade,...Would be Nice to Have:** + Experience manually reviewing network diagrams, network device configurations, termination points… more
    CACI International (09/25/25)
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  • Information Systems Security

    Amentum (Fort Meade, MD)
    …space? If so, look no further. Amentum is seeking a **Principal Information Systems Security Engineer ** to join our team of passionate individuals in **Fort ... of new products and processes. **Responsibilities:** The **Senior Information Systems Security Engineer (ISSE)** shall deliver and lead threat-informed… more
    Amentum (10/23/25)
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  • Site System Engineer 1 - Telecom…

    Synergy ECP (Annapolis Junction, MD)
    Site System Engineer 1 - Telecom Network Specialist Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) Description We are searching ... ongoing mission-critical operations. With high demand from our National Security customers for our talent and expertise, our employees...be doing: Synergy is looking for a Site Systems Engineer to perform remote maintenance and refresh efforts on… more
    Synergy ECP (11/06/25)
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  • Senior Network Engineer

    Leidos (Odenton, MD)
    **Description** Leidos is seeking a **Senior Network Engineer ** to join our Defense Enclave Services (DES) team at F **t. Meade, MD.** The DES program is a ... and transition plans. + Integrate capacity planning and scaling of network and security stack environments into the overall design of solutions. + Collect,… more
    Leidos (12/03/25)
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