• Secret Mid-Level Cyber Threat Emulation Analyst

    Insight Global (Colorado Springs, CO)
    …with security analysis and solutions in a WAN/LAN environment to include Routers, Switches, Network Devices, and Operating Systems (eg, Windows, and Linux) - ... Security Operations Centers (SOC)/DCO tools/applications, such as Firewalls, Intrusion Detection Systems / Intrusion Prevention Systems , Network Security… more
    Insight Global (12/18/25)
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  • Network - System Administrator II

    Global Resource Solutions (Washington, DC)
    …& SSL + Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required + Interface with local customers ... 2008 R2/2012 R2 Server, Microsoft Exchange Server 2003/2010, Microsoft Windows 7/10 operating systems (OS) administration and associated hardware + Working… more
    Global Resource Solutions (12/19/25)
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  • Senior Linux System Administrator

    ManTech (Laurel, MD)
    …manage Linux operating systems . Installs/loads operating system software, troubleshoots maintains integrity and configures network components along ... Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems . + Manage IT system infrastructure and any processes… more
    ManTech (12/11/25)
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  • Senior Linux System Administrator

    ManTech (Laurel, MD)
    …integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance. + Provides ... include but are not limited to:** + Configure and manage Linux and Solaris operating systems and installs/loads operating systems software, troubleshoot,… more
    ManTech (12/24/25)
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  • DevSecOps Engineer

    Elevance Health (Mason, OH)
    …access management or network security technologies, servers, networks, Network communications, telecommunications, operating systems , middleware, ... compliance checks, and threat detection systems across environments. + Provides system and network architecture support for information and network more
    Elevance Health (12/19/25)
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  • Systems Administrator

    William C Brown Inc (Springfield, VA)
    …maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance* Perform ... system management responsibilities involving account monitoring, security, Operating System (OS) installation, and other local...software installations and upgrades to Unix/Windows operating systems and layered software packages and… more
    William C Brown Inc (10/14/25)
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  • Senior Engagement Manager, AWS Professional…

    Amazon (Denver, CO)
    …Qualifications - 5+ years of cloud based solution (AWS or equivalent), system , network and operating system experience, or Bachelor's degree in business ... You will be expected to achieve and maintain relevant AWS certifications , develop domain-specific expertise, and effectively communicate technical concepts to both… more
    Amazon (10/15/25)
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  • Network / System Engineer

    GovCIO (United States Air Force Acad, CO)
    …an onsite position. **Responsibilities** Establishes and maintains smooth operation of computer systems (to include operating systems , software and hardware) ... **Overview** GovCIO is currently hiring for a Senior Network / System Engineer to lead day-to-day operations...in networked or stand-alone configurations, maintains system integrity, and upgrades systems and/or servers… more
    GovCIO (11/21/25)
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  • Information Systems Security Officer…

    General Dynamics Information Technology (Annapolis Junction, MD)
    …* Communicates alerts to agencies regarding intrusions and compromises to their network infrastructure, applications, and operating systems WHAT YOU'LL ... **Job Family:** Cyber and IT Risk Management **Skills:** Information Security, Network Infrastructures,Organizational Security, System Security ** Certifications :**… more
    General Dynamics Information Technology (12/09/25)
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  • Network Management Systems (NMS)…

    CACI International (Las Cruces, NM)
    …related work experience + TS/SCI with Poly required + Strong knowledge of Linux operating systems (eg, Red Hat, CentOS, Ubuntu) + Experience with cloud platforms ... Network Management Systems (NMS) Operations Tier...optimize Linux servers for NMS applications (eg, Riverbed, SolarWinds, Network Node Manager) + Monitor system performance,… more
    CACI International (10/23/25)
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