• System Administrator-Senior Level

    Nightwing (Sterling, VA)
    …capabilities include cyber space operations, cyber defense and resiliency, vulnerability research , ubiquitous technical surveillance, data intelligence, ... and/or network/systems administration + Proficiency experience with Red Hat Linux (RHEL) workstations and servers, including installation, configuration, administration… more
    Nightwing (06/27/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    …capabilities include cyber space operations, cyber defense and resiliency, vulnerability research , ubiquitous technical surveillance, data intelligence, ... development environment, and Cloud automation. The SysA demonstrates strong Linux /Windows administration experience, including package management, security hardening, kickstart,… more
    Nightwing (06/27/25)
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  • Network Engineer-US Citizens Only- Active Top…

    The Metamorphosis Group (Reston, VA)
    …shepherd and perform engineering efforts in the areas of Windows and Linux servers, workstations, storage, and virtualization. * The Contractor Team shall support ... and enhance business efficiency and insights. * The Contractor Team shall research and recommend systems, equipment and technologies to improve and enhance existing… more
    The Metamorphosis Group (06/04/25)
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  • Penetration Tester (Part Time & Remote)

    TestPros (Sterling, VA)
    …Independent Verification and Validation (IV&V), Quality Assurance (QA), Compliance, and Research and Development (R&D) services. TestPros is an Equal Opportunity ... with the command line interface of multiple operating systems - Windows, macOS, Linux , etc. + Solid understanding of manual scripting and scripting languages- ex.… more
    TestPros (07/29/25)
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  • Offensive Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    …experience performing offensive security activities such as red teaming, penetration testing, and vulnerability research + 6 years of total experience in a ... adversary emulation and the validation of detective, defensive, and vulnerability controls + Plan and oversee external red team...+ Using security tools like NMAP, Burp Suite, Kali Linux , Bloodhound, and similar tools + Experience with C2… more
    CoStar Realty Information, Inc. (07/03/25)
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  • Systems Engineer

    Nightwing (Sterling, VA)
    …capabilities include cyber space operations, cyber defense and resiliency, vulnerability research , ubiquitous technical surveillance, data intelligence, ... requirements. The SE blends technical skills in cloud platforms, Nutanix, Windows/ Linux , automation tools, containerization, and scripting utilizing skills and tools… more
    Nightwing (06/27/25)
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  • DevOps Engineer

    CACI International (Chantilly, VA)
    …Navy customer. You will be instrumental in the engineering and advanced research and development associated with designing of products during design, development, ... multiple enclave support + Support cyber security scans, lockdowns, and vulnerability analysis + Provide and maintain configuration-controlled build containers +… more
    CACI International (08/08/25)
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  • Cyber Threat Analyst

    CACI International (Chantilly, VA)
    …recovery, reverse engineering intrusion analysis and methodologies, intelligence analysis, and vulnerability assessments. If chosen, YOU will have the opportunity to ... cyber events and training, such as our Capture the Flag Events, Internal Research and Development opportunities as well as prepaid courses to nationally recognized… more
    CACI International (07/29/25)
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  • Information System Security Eng (ISSE) III

    Global Resource Solutions (Arlington, VA)
    …Program Implementation Guide (JSIG) authorization process Provides expert support, research and analysis of exceptionally complex problems, and processes relating ... platforms: Microsoft Windows Server, Active Directory, Red Hat Enterprise Linux servers, MS Hyper-V/VMWare/ESx/Xen Hypervisors, Enterprise networking/firewalls/intrusion detection/prevention systems,… more
    Global Resource Solutions (07/17/25)
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  • AWS PACS Support Engineer , Configurations Team

    Amazon (Herndon, VA)
    …More specifically, the Support Engineer will: * Drive security findings, research mitigations, and analyze potential security vulnerability related information ... customers. * Utilize knowledge of IT systems, technical support for applications; troubleshooting Windows/ Linux . A day in the life The AWS PACS Configuration team is… more
    Amazon (07/16/25)
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