• Lead Security Systems Administrator

    Lumen (Herndon, VA)
    …servers, Print servers, Backup systems, Anti Virus system + Hands on experience using information security tools such as NESSUS, HBSS , ACAS, SCAP. + Hardware ... as needed and be part of the overall company security team as well. Current TS/SCI clearance a must....new hardware, System Imaging, Create and implement group policies, Security script writing, Vulnerability assessment and mitigation. + Maintain… more
    Lumen (12/10/25)
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  • Principal Windows Systems Administrator

    Northrop Grumman (Gilbert, AZ)
    …+ VMWare experience with current version + Knowledge of environmental monitoring tools ( HBSS /Solar Winds/Splunk). + Mid to Advanced level Scripting experience ... Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological… more
    Northrop Grumman (12/12/25)
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  • Principal Linux Systems Administrator

    Northrop Grumman (Linthicum Heights, MD)
    …+ VMWare experience with current version + Knowledge of environmental monitoring tools ( HBSS /Solar Winds/Splunk) + Rudimentary Scripting experience + Experience ... Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological… more
    Northrop Grumman (11/19/25)
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  • Sr Principal Linux Systems Administrator

    Northrop Grumman (Melbourne, FL)
    …Splunk Enterprise deployment and configuration + Knowledge of environmental monitoring tools ( HBSS /Solar Winds/Nessus) + Scripting experience with languages such ... Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to… more
    Northrop Grumman (11/25/25)
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  • System Administrator - Active Secret…

    ENS Solutions (MD)
    …a DoD 8570 IAT Level II certification (eg, Security + CE). + Familiarity with tools such as STIG Viewer, eMASS, and HBSS is a plus. Benefits Essential Network ... This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems for an… more
    ENS Solutions (10/31/25)
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  • Systems Administrator / Linux / Secret…

    Lockheed Martin (Littleton, CO)
    …and PowerShell\) * Experience with Risk Management Framework \(RMF\) and Security Technical Implementation Guide \(STIG\) processes * Experience with vulnerability ... remediation and security management \(i\.e\., system hardening, log management, configuration management\) using tools such as Yum, Nessus, CrowdStrike, WSUS,… more
    Lockheed Martin (12/04/25)
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  • Information Systems Security Officer (ISSO)…

    Dell Technologies (Las Vegas, NV)
    …with established policies and procedures + Generate reports for System Administrator (SysAdmin) and Information Systems Security Engineering (ISSE) ... Experience with: + hardening client, server, appliance, network and storage systems; Security Content Automation Protocol (SCAP) tools ie, OpenSCAP, Security more
    Dell Technologies (12/10/25)
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  • Senior Security Systems Engineer…

    Cydecor, Inc. (Dahlgren, VA)
    …Assurance Vulnerability Management (IAVM) Plans. + Develop and maintain the System Security Administrator and Operators Manual (SSAOM). + Lead the effort ... intelligence to enable decision-support and remain ahead of ever-evolving national security challenges. Our success rests squarely on three bedrock principles:… more
    Cydecor, Inc. (11/20/25)
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  • Senior Security Systems Engineer - SLBM

    Imagine One Technology & Management (Dahlgren, VA)
    …Management (IAVM) Plan. + Lead the preparation and production of a System Security Administrator and Operators Manual (SSAOM). + Lead obtaining Authorization to ... MS Word, MS Excel, MS Visio and other appropriate tools . + Derive, document and/or identify system Concept of...IPS, Switch/Routers, Cross Domain Solutions (CDS) and Host Based Security Systems ( HBSS ). 2. Examples of engineering… more
    Imagine One Technology & Management (09/30/25)
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  • Principal Computer Systems Analyst

    Northrop Grumman (Hollywood, MD)
    …+ VMWare experience with current version + Knowledge of environmental monitoring tools ( HBSS /Solar Winds/Splunk). + Mid to Advanced level Scripting experience ... Grumman Classified Solutions team is seeking an experienced **Windows Systems Administrator ** to join its dynamic team of technical professionals. **The qualified… more
    Northrop Grumman (12/09/25)
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