• Windows Systems Administrator

    SAIC (Adelphi, MD)
    …and maintain a comprehensive hardware/software library + Collaborate with IT and Cyber Security teams to support remediation, patching, and vulnerability ... Humans in Complex Systems, Mechanical Sciences, Military Information Sciences, Network / Cyber /Computational Sciences, Photonics/Electronics/Quantum Sciences, Sciences of Extreme… more
    SAIC (08/07/25)
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  • Platform/Infrastructure Engineer

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our customers' ... most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical… more
    Nightwing (06/27/25)
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  • Senior or SME Cybersecurity Architect and Cloud…

    Tetrad Digital Integrity LLC (Falls Church, VA)
    …Connections (TIC), Enterprise certificate authority/PKI operations, DNS/DHCP security , DDoS/WAF, Network access control, Wireless network security + ... Engineer to support the USPS with the following: RESPONSIBILITIES: + Advise on security system infrastructure and provide network engineering and cloud knowledge… more
    Tetrad Digital Integrity LLC (08/14/25)
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  • Software, CNO, Systems Administration…

    Belay Technologies (Annapolis Junction, MD)
    … issues, configure routers and switches, and ensure the integrity of network security . Required Skills: Networking protocols (TCP/IP, DNS, DHCP), Cisco, ... Reverse Engineer will deconstruct and analyze malicious software and network activities to understand and mitigate cyber ...routing and switching, network security . Experience Level: Mid-Senior level Software… more
    Belay Technologies (08/14/25)
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  • Senior Cybersecurity Architect (Lead)

    Chenega Corporation (Washington, DC)
    …the IT architecture for all projects + Create, update, revise, and maintain Cyber Security Architecture, Engineering, and Security Tools documentation for ... designing the customer's IT enterprise and systems against existing and emerging cyber threats; developing and upgrading the security capabilities of legacy… more
    Chenega Corporation (08/07/25)
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  • Cybersecurity Analyst / Engineer (Multiple Levels)

    Noblis (Washington, DC)
    …operations. **Cybersecurity Operations & Risk Management** + Monitor and analyze cyber threats targeting **air traffic control and NAS environments** , including ... + Support FAA-specific **Risk Management Framework (RMF)** implementation, including security control selection, assessment, and continuous authorization (A&A). +… more
    Noblis (07/30/25)
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  • TSCM Specialist

    Parsons Corporation (Springfield, VA)
    …Group (TSG) requirements) + Participate in one equipment specific training and one cyber security training each calendar year **What Required Skills You'll ... 75 years of experience, Parsons is uniquely qualified to deliver cyber /converged security , technology-based intellectual property, and other innovative services… more
    Parsons Corporation (08/08/25)
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  • Principal Classified Cybersecurity Analyst…

    Northrop Grumman (Dulles, VA)
    …**Preferred Qualifications:** + The ideal candidate will have a Bachelor's degree in Cyber Security , a CASP+/SecurityX, and 6 years of experience with ... is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure...mission, we will support yours by expanding your personal network and developing skills, whether you are new to… more
    Northrop Grumman (08/14/25)
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  • System Administrator-Senior Level

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our customers' ... most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency,...support and guidance for system-related issues, ensuring high performance, security , and availability of IT systems + Coordinate and… more
    Nightwing (06/27/25)
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  • ACAS Systems Administrator

    Leidos (Adelphi, MD)
    …in DISA IASE IAT Level II DoD 8570.01 Approved Baseline and one (1) Cyber Security Service Provider baseline certification. + DISA ACAS certification. + ... and maintaining the ACAS system, which is a vulnerability assessment and security auditing tool used by many organizations, particularly within the Department of… more
    Leidos (08/09/25)
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