• Cybersecurity Network Defense

    GovCIO (Annapolis, MD)
    …in Radford, VA and will be a remote position. **Responsibilities** The Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer ... USD $150,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6786/ cybersecurity - network - defense - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_… more
    GovCIO (09/25/25)
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  • Systems Administrator 2

    Nightwing (Annapolis Junction, MD)
    …vulnerabilities, characterization, information assurance, and emerging technologies to expand cybersecurity solutions. Job Description: The Systems Administrator ... demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data… more
    Nightwing (10/13/25)
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  • Systems Administrator 3

    Nightwing (Annapolis Junction, MD)
    …agility, and competitive offerings to customers in the intelligence community, defense , civil, and commercial markets. The Systems Administrator will ... demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data… more
    Nightwing (09/22/25)
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  • Systems Administrator (IT Program Services)

    Nightwing (Annapolis Junction, MD)
    …demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data ... agility, and competitive offerings to customers in the intelligence community, defense , civil, and commercial markets. Nightwing is seeking an experienced Linux… more
    Nightwing (09/22/25)
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  • Systems Administrator 3 - 23829 (FS Poly…

    Huntington Ingalls Industries (Fort Meade, MD)
    …interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity , network architecture, reverse engineering, software and hardware ... network administrators. + Duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance,… more
    Huntington Ingalls Industries (10/07/25)
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  • System Administrator (TS-SCI w/Poly)

    Parsons Corporation (Columbia, MD)
    …world. By combining unique technologies with deep domain expertise across cybersecurity , missile defense , space, connected infrastructure, transportation, smart ... what you're looking for. **Job Description:** Parsons is seeking a versatile System Administrator to tackle new challenges across the full stack as we continue to… more
    Parsons Corporation (09/04/25)
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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time Description System Administrator Level 2 Provides ... day-to-day operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. Provides Tier I (Help Desk) and… more
    Synergy ECP (07/23/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    Senior System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... and secure IT solutions to our clients in the defense and national security sectors. Our mission is to...service and reliability. We're looking for a skilled System Administrator to join our team and help maintain, troubleshoot,… more
    CACI International (08/01/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Level 1 System Administrator Provides support for ... day-to-day operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. Provides Tier I (Help Desk) and… more
    Synergy ECP (07/29/25)
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  • Senior Systems Administrator

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …in a collaborative, congenial environment. We are seeking a Senior System Administrator to lead the management, operations, and maintenance of complex DoD systems ... + Maintain extensive knowledge of diverse IT systems and network architectures, including high-volume/high-availability infrastructures. + Ensure system reliability,… more
    Competitive Range Solutions, LLC (08/07/25)
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  • Systems Administrator II- Full-Scope…

    RTX Corporation (Annapolis Junction, MD)
    …more secure world. Raytheon currently has an opening for a temporary System Administrator to perform onsite in our Annapolis Junction, Maryland office. The selected ... unclassified work will also be required. We're looking for an experienced Systems Administrator to join our team supporting critical operations in both Linux and… more
    RTX Corporation (09/19/25)
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  • Senior Systems Administrator (Systems…

    Huntington Ingalls Industries (Hanover, MD)
    …interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity , network architecture, reverse engineering, software and hardware ... Mission Technologies is leading the next evolution of national defense - the data evolution - by accelerating a...HII, is seeking a highly motivated and experienced System Administrator to join our Minotaur team in Hanover, MD.… more
    Huntington Ingalls Industries (08/27/25)
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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Synergy ECP, a platform company with Falfurrias Capital ... talented, dedicated staff to provide a broad range of services to the defense and intelligence industries. Our capabilities are focused on software engineering, … more
    Synergy ECP (09/01/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Founded in 2007 and headquartered in Columbia, Maryland, Synergy ... ECP is a leading provider of cybersecurity , software and systems engineering and IT services to...engineering and IT services to the US intelligence and defense communities. The company leverages its expertise in data… more
    Synergy ECP (07/23/25)
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  • Unified Communications Engineer - Senior

    Amentum (Fort Meade, MD)
    …Cyber Division is assembling a team to support a program that provides critical network capabilities to the Department of Defense . We are committed to recruiting ... compliance with DoD Unified Capabilities Requirements (UCR), STIGs, and other cybersecurity mandates * Integrate voice (VoIP), video conferencing, instant messaging,… more
    Amentum (09/30/25)
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  • SCIF Manager/IT Support (FC)

    Synergy ECP (Columbia, MD)
    …to join our organization in a hybrid role as a SCIF Manager and IT Support Administrator for one of our prime contracts. As the SCIF Manager, you will be responsible ... implement necessary adjustments to maintain SCIF compliance IT Support Administrator : + Provide technical support to end-users, including troubleshooting hardware,… more
    Synergy ECP (07/23/25)
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  • Modernization Accelerator: 2025 Hiring Alerts;…

    Lockheed Martin (Hanover, MD)
    …flow of energy that keeps modern life moving\. Here, you'll work with cybersecurity experts on the forefront of threat protection and proactive prevention\. In this ... provide life\-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection\. * You will modernize.../ ISSM\) * Technical writer * Test Engineers * Network Engineers * User Experience Designer * Data Science… more
    Lockheed Martin (09/25/25)
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  • Splunk Systems Engineer - TS/SCI w/Poly

    General Dynamics Information Technology (Annapolis Junction, MD)
    …our team. The Digital Services SIEM Team requires an experienced Splunk System Administrator to system engineer to perform all aspects of Splunk Enterprise and ITSI ... Forwarders, Deployment Servers and Search-Heads; onboarding new data; supporting cybersecurity and operations teams and driving complex Splunk dashboard… more
    General Dynamics Information Technology (10/09/25)
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