• Endpoint Security as a Service (ESS) Engineer

    Leidos (Washington, DC)
    …is seeking a skilled and driven **Endpoint Security as a Service (ESS) Engineer and Systems Administrator ** to join our team at the Washington Navy Yard - where ... mission. **What You'll Do** As an ESS Engineer and Systems Administrator , you won't just maintain ...and develop cutting-edge technical solutions. **Basic Qualifications:** + Active ** Top Secret clearance** (SCI eligible). + **8+… more
    Leidos (12/24/25)
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  • IT Systems Architect

    SOS International LLC (Fort Huachuca, AZ)
    Fort Huachuca, Arizona, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret /SCI **Company Description** Founded in 1989, SOSi is among the ... special projects as required. **Qualifications** **Minimum Requirements** + An active in scope Top Secret /SCI clearance is required. + MA/MS +10 -OR- BA/BS +12… more
    SOS International LLC (12/09/25)
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  • Information Technology/Assurance (IT/IA)…

    General Dynamics Information Technology (Dayton, OH)
    …RQ211905 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Microsoft Windows 2012R2 Server, Microsoft Exchange Server 2010/2016, Microsoft Windows 7/10 operating systems (OS) administration and associated hardware. +… more
    General Dynamics Information Technology (12/23/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    …a PhD; or equivalent combination of related education and work experience. + Active Top Secret clearance with SCI eligibility. Ability to obtain and maintain a ... Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with a focus on classified...candidate to have a minimum of the following clearance(s): Top Secret This requisition requires the hired… more
    The MITRE Corporation (11/08/25)
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  • Cyber Systems Administrato

    L3Harris (Salt Lake City, UT)
    …land, sea and cyber domains in the interest of national security. Job Title: Cyber Systems Administrator Job Code: 31202 Job Location: Salt Lake City, UT Job ... in security assessments and audits. + Configure various operating systems such as Windows , Linux, and UNIX... security clearance with the ability to obtain a Top - Secret security clearance post-hire is required Qualifications:… more
    L3Harris (11/20/25)
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  • Systems Engineer

    ManTech (Washington, DC)
    …in an IT or STEM field with 2+ years' experience as an enterprise systems administrator in a client or server environment, including deployment automation tools. ... within 6 months of hire + Extensive knowledge of Windows based systems including Hardware, software, networking,...languages **Clearance Requirements:** + Must have a current/active DOD Top Secret security clearance, adjudicated within the… more
    ManTech (12/28/25)
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  • Cybersecurity Splunk SOAR Engineer

    General Dynamics Information Technology (Macdill AFB, FL)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... for managing SOAR content. + Familiarity with network protocols, operating systems ( Windows /Linux), and enterprise architecture components relevant to security… more
    General Dynamics Information Technology (12/11/25)
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  • Senior VMware Systems Engineer, Level 3…

    Lockheed Martin (Sunnyvale, CA)
    …to Support Adjusted Work Hours Based on Program Needs * Troubleshoot virtualization and Windows Systems * Support user profile creation and maintain tools * ... computing platforms, including OpenShift and OpenStack * Ability to obtain DoD top secret security clearance **Security Clearance Statement:** This position… more
    Lockheed Martin (11/19/25)
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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 ... environment. We use a wide array of Linux and Windows systems in a tightly integrated environment...Secret clearance with eligibility to be cleared for Top Secret and Special Access Programs. **Primary… more
    Leidos (11/09/25)
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  • Sr. Cyber Architect

    General Dynamics Information Technology (Washington, DC)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Cyber and ... experience * Desired Technical skills: Experience with various Operating Systems (Linux/ Windows /MacOS), various scripting languages (Python/Perl/Shell, etc);… more
    General Dynamics Information Technology (12/15/25)
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