• Principal Field Service Engineer/Sr. Principal…

    Northrop Grumman (Aurora, CO)
    …MCSA Windows Server 2016Linux: Linux +, LPIC-1, or Red Hat Certified Systems Administrator , Cisco Certified Network Associate (CCNA) Primary Level Salary ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...(including ESXi, vSAN); Windows Server 2019; Red Hat Enterprise Linux ; Windows 11; Cisco IOS; Active Directory… more
    Northrop Grumman (10/07/25)
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  • Cyber Infrastructure Support

    Leidos (Omaha, NE)
    …Security team, within the Digital Modernization sector, currently has an opening for a ** Systems Administrator ** in our Omaha NE office. This position is an ... a heterogeneous environment. We use a wide array of Linux and Windows systems in a tightly...great opportunity! **Clearance Requirement:** You must currently hold an active Secret clearance with eligibility to be cleared for… more
    Leidos (11/09/25)
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  • Flight Simulation Technician / J-Neeo / Nellis AFB

    Lockheed Martin (Nellis Air Force Base, NV)
    …Security\+\. * Experience in Joint Simulation Environment \(JSE\), preferably as a Systems Administrator \. * Previous experience with operating and maintaining ... Primary duties include, but are not limited to: * Creating and implementing systems software to analyzing data to improve existing ones, increasing productivity in… more
    Lockheed Martin (11/09/25)
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  • Senior System Integrator Engineer (TS/SCI)

    Vexterra Group (Bethesda, MD)
    Vexterra Group is currently searching for a Senior Systems Integrator Engineer to provide the following systems support in Reston VA or Bethesda, MD office: You ... and O&M team members on the following key tasks: DUTIES * Perform Linux builds, installs, configuration, administration, and troubleshooting of both Linux and… more
    Vexterra Group (10/14/25)
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  • Senior Endpoint Security Engineer

    AIG (Dallas, TX)
    …Windows and Linux . + Intermediate to Expert level knowledge on Windows & Active Directory, Unix/ Linux Operating Systems . + Good scripting knowledge using ... standards of excellence. The team is responsible for shielding the company's systems from security risks, while designing technology strategies that enable AIG's… more
    AIG (08/27/25)
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  • Info Sys Analyst (Level 3): Alis Admin, Misawa, JP…

    Lockheed Martin (Greenville, SC)
    …updates o Use of Splunk Log Aggregation and Dashboard o Red Hat Enterprise Linux System Administrator o Installing Oracle Critical Patches, reviewing tables and ... rewarding? This is an operational support role to the active fighter unit at Misawa AB, JAPAN; you will...be responsible for the security and integrity of our systems that keep our jets flying\. It takes more… more
    Lockheed Martin (11/05/25)
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  • Projects Engineer (Back To Business IT)

    The Greentree Group (Beavercreek, OH)
    …services and appliances + Hypervisors - VMware and Hyper-V + NIST/CMMC Competency + Linux Server Operating Systems + IDS/IPS Solutions + MFA Services + ... of technology experts in Southwest Ohio. We alleviate the burden of managing computer systems and networks and allow our clients to focus on the more important… more
    The Greentree Group (11/12/25)
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  • Sr. Specialist Cyber Infrastructure Engineer

    L3Harris (Carlsbad, CA)
    …with DCSA/DAAPM and related DoD standards. + Deep technical proficiency with Linux (Ubuntu/Red Hat) and Windows Server operating systems , including hardening, ... ability to analyze outputs and drive remediation. + Extensive background as a Linux System Administrator in secure, classified environments, with expertise in… more
    L3Harris (09/25/25)
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  • Splunk Security Engineer

    Leidos (Suitland, MD)
    …+ Develop, maintain, and execute **automated SOAR playbooks** that interact across systems and devices. + Analyze log events, correlate data across multiple sources, ... (FirePower, ISE, Email Gateways, AMP, switch/routers), Palo Alto Firewalls, Microsoft Active Directory, DNS, Exchange, SharePoint, IIS, SQL, Apache, Tomcat, RSA… more
    Leidos (11/11/25)
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  • (DoD SkillBridge) Principal OR Sr. Principal…

    Northrop Grumman (Oak Harbor, WA)
    …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... as they continue to receive military compensation and benefits as active -duty service members **.** **Responsibilities for this internship position are:** Northrop… more
    Northrop Grumman (10/02/25)
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