• 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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  • Network Administrator

    Tactibit Technologies LLC (Suitland, MD)
    …environment with a shared commitment to excellence in everything we do. About the Network Administrator position We are looking for a talented network ... Tactibit Technologies provides innovative information technology, cybersecurity , and cloud support services to the Federal... network integrations, and security hardening. As a Network Administrator , you will be expected to… more
    Tactibit Technologies LLC (09/25/25)
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  • Network Administrator (Senior-Level)

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a Network Administrator (Senior-Level) to join our team at Aberdeen Proving Ground, ... active DoD Top Secret Clearance. + Non-remote (relocation incentive available) The Network Administrator (Senior-Level) will be responsible for supporting the… more
    Link Solutions Inc (10/08/25)
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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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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (College Park, MD)
    …+ Experience automating deployments and configuration management. + Experience as a network administrator or systems engineer. + Experience in using Active ... including day-to-day operations, monitoring, and problem resolution for all client/server/storage/ network devices, etc. Install, configure and manage operating system… more
    ENS Solutions (09/27/25)
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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 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 ... and redefine what's possible. **Job Description:** Parsons is seeking a versatile System Administrator to tackle new challenges across the full stack as we continue… more
    Parsons Corporation (12/04/25)
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  • Systems Engineer / Administrator

    Nightwing (Annapolis Junction, MD)
    …demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data ... and competitive offerings to customers in the intelligence community, defense , civil, and commercial markets. Nightwing provides technically advanced full-spectrum… more
    Nightwing (12/05/25)
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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 (10/22/25)
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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 (10/28/25)
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  • Windows System Administrator (Senior-Level)

    Link Solutions Inc (Adelphi, MD)
    …Delivering a broad range of Infrastructure Operations, Application Development, Cybersecurity , Virtualization, Cloud and Mobility services. If you're looking for ... for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our team at Adelphi, MD. + Must be a US… more
    Link Solutions Inc (10/08/25)
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  • Networking Administrator

    Link Solutions Inc (Adelphi, MD)
    …Networking Administrator position will require an understanding of enterprise network architecture, Layer 2/3 switching, routing protocols, and network ... Delivering a broad range of Infrastructure Operations, Application Development, Cybersecurity , Virtualization, Cloud and Mobility services. If you're looking for… more
    Link Solutions Inc (10/08/25)
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  • System Administrator - Active Secret…

    ENS Solutions (MD)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems for an ... This includes managing RA workstations, ensuring system compliance with cybersecurity frameworks, and supporting audit readiness for DoD PKI inspections.… more
    ENS Solutions (10/31/25)
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  • Sr. System Administrator II (Temp)

    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 ... also be required. We're looking for an experienced Systems Administrator to join our team supporting critical operations in...level hardware and software + Plan, implement, and operate network services and systems, to include hardware and virtual… more
    RTX Corporation (11/19/25)
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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 (11/30/25)
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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 (11/25/25)
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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 (10/22/25)
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  • Information Technology Specialist ( Network

    Bureau of Naval Personnel (Annapolis, MD)
    network optimization techniques and analytical reasoning to perform duties as an effective network administrator as well as skill in applying network ... Responsibilities You will execute complex IT projects with regards to cybersecurity . You will provide technical expertise with Web Filtering, Vulnerability Scanning… more
    Bureau of Naval Personnel (12/05/25)
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  • System Engineer

    Synergy ECP (Landover, MD)
    …and headquartered in Columbia, Maryland, Synergy ECP is a leading provider of cybersecurity , software and systems engineering and IT services to the US intelligence ... and defense communities. The company leverages its expertise in data...Field Engineers - Landover, MD (System Engineer or System Administrator labor categories depending on experience) Our Field Engineers… more
    Synergy ECP (10/15/25)
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