• Senior Network Engineer (NE3)

    Nightwing (Annapolis Junction, MD)
    …intelligence community, defense, civil, and commercial markets. Job Summary: A Senior Network Engineer (NE3) supporting Nightwing will be responsible for ... performing networking services from network design through implementation, maintenance, and upgrading of existing networks. They will analyze design specifications… more
    Nightwing (09/22/25)
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  • Network Engineer II

    Sierra Nevada Company, LLC (Hagerstown, MD)
    …variety of network related tools, concepts, technologies, best practices and security procedures + Hands-on expertise with network hardware, protocols, and ... and contribute to the development of state-of-the-art systems that enhance national security and provide critical intelligence. Our Hagerstown facility is a hub of… more
    Sierra Nevada Company, LLC (07/21/25)
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  • Systems Network Engineer

    ManTech (Hanover, MD)
    MANTECH seeks a motivated, career and customer oriented **System Network Engineer ** to join our team in **Hanover, Maryland** . You will play a vital role in ... protecting national security and driving innovation, with opportunities for career growth....or assist with troubleshooting and repair of systems and network components (routers, switches, servers, VMs, workstations). **Minimum Qualifications:**… more
    ManTech (08/30/25)
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  • Sr. Principal Voice Engineer

    Northrop Grumman (Linthicum Heights, MD)
    …history. Northrop Grumman Enterprise Classified Solutions is seeking a senior level Cisco Voice Engineer that has experience in designing, implementing, and ... maintaining Cisco voice solutions. The ideal candidate will have a...of small teams, would be helpful. + Familiarity with network infrastructure and security principles. + Experience… more
    Northrop Grumman (09/20/25)
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  • Network Engineer 3 (Cable Support)

    Synergy ECP (Annapolis Junction, MD)
    Network Engineer 3 (Cable Support) Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) Description Synergy ECP, a platform company ... a time when a premium is placed on cyber security . In an ultra-competitive environment, Synergy ECP has thrived...Engineerto join our team. The ideal candidate will have Cisco and Arista experience. This position does require some… more
    Synergy ECP (09/18/25)
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  • Systems Engineer , Messaging

    Marriott (Bethesda, MD)
    …Eligible:** Y **Expiration Date:** 10/21/2025 **JOB SUMMARY** Functions as the engineer for Email & Messaging platforms, with primary accountability for Microsoft ... Exchange Online, Exchange Online Protection / Microsoft Defender for Office 365, Cisco Secure Email (IronPort/ESA or CES), secure SMTP relay, and hybrid Exchange… more
    Marriott (09/24/25)
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  • Splunk Security Engineer

    Leidos (Suitland, MD)
    …ready to turn your skills into real-world impact? Join **Leidos** as a **Splunk Security Engineer ** in Suitland, MD and be at the forefront of mission-critical ... **What You'll Do** As a core member of our security engineering team, you will: + Develop, maintain, and...and standard DoD products such as Trellix ePO, Tanium, Cisco (FirePower, ISE, Email Gateways, AMP, switch/routers), Palo Alto… more
    Leidos (09/20/25)
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  • Security Engineer

    TekSynap (Rockville, MD)
    …Procedures (SOP) + Security Log Configuration and Management + Network Security : firewalls, Intrusion Prevention/Detection Systems (IPS/IDS), and Web ... for Cloud Apps + Microsoft Defender for Cloud + Cisco Email Security Appliance (ESA) Ironport Mail...aSecurity Engineerto join our team supporting NRC GLINDA Systems Network and Cross Cutting program inRockville,MD We're looking for… more
    TekSynap (09/25/25)
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  • Senior Systems Engineer

    CACI International (Annapolis Junction, MD)
    …VMware NSX, Cisco switches, VPNs, VLANs, Server Deployment, Storage Area Network (SAN), Power Distribution Units, and Security (STE/N). This role will ... Travel: None * * * **The Opportunity:** Senior Systems Engineer with strong design experience related to network...contracts. + Experience with enclaves and firewalls (NSX and Cisco ASA) + Virtual experience with VMware vCenter, VMware… more
    CACI International (08/08/25)
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  • Senior Network Architect

    KBR (Fulton, MD)
    …data network systems, and administration of multi-protocol routers, multilayer switches, network security devices and network management systems. + ... + 10 years of Cisco experience; proven expertise with Cisco network hardware including: routers, switches, firewalls, unified communications equipment.… more
    KBR (09/13/25)
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