• Virtualization Engineer - Secret Clearance…

    V2X (Reston, VA)
    …sites within the RCC-SWA Area of Responsibility and provide optimization, administration and technical documentation for the enterprise storage infrastructure. Due ... and FC/FCoE storage presented to a wide array of systems including VMware ESXi, Unix, and Linux clients as...VMware ESXi, Unix, and Linux clients as well as Windows file services and desktop clients. Periodic reports on… more
    V2X (11/19/25)
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  • F5 Network Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    …active TS/SCI clearance and be willing to obtain a CI Poly Job Description: - Systems administration of routing and switching systems connected to local and ... networks. - Provide support for implementation, troubleshooting and maintenance of IT systems and management of system infrastructure and any processes related… more
    Arena Technical Resources, LLC (10/06/25)
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  • Microsoft Defender Specialist - Active TS/SCI…

    ENS Solutions (Norfolk, VA)
    …Microsoft Defender + Experience with server management, including virtualization, and Windows server administration + Experience with scripting languages, ... Defender for Endpoint Mobile Threat Defense (MTD), Microsoft Endpoint Manager Admin Center, Microsoft Security Administration , Microsoft Office 365, and… more
    ENS Solutions (09/27/25)
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  • Cisco Call Manager Administrator

    CACI International (Chantilly, VA)
    …Cisco Call Manager Administrator is responsible for the day-to-day administration , configuration, and maintenance of the organization's Cisco Unified Communications ... you will be responsible is responsible for the day-to-day administration , configuration, and maintenance of the organization's Cisco Unified Communications… more
    CACI International (09/27/25)
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  • Senior Information Security Engineer…

    Lumen (Richmond, VA)
    …and Response (NDR). + Minimum 2 years of experience in Linux system administration , virtualization, configuration, and support within a security context. ... as system deployments and infrastructure enhancements. + Administer security systems and applications to ensure high availability, performance, and stability for… more
    Lumen (11/15/25)
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  • Network Engineer-US Citizens Only- Active Top…

    The Metamorphosis Group (Reston, VA)
    …Support - * The Contractor Team shall assist with continuous monitoring of IT systems that are required to sustain Sponsor accreditation of these systems . * ... * The Contractor Team shall deploy and maintain network systems . * The Contractor Team shall diagnose network issues...to the network. * The Contractor Team shall provide system documentation to system security managers to… more
    The Metamorphosis Group (09/03/25)
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  • Cloud Innovation Solution Architect

    Leidos (Alexandria, VA)
    …optimization, security operations, and decision intelligence. These are the mission-critical systems that keep our nation secure and resilient. We're seeking a ... position for a minimum of 6+ years. + Minimum 6+ year of Administration experience with cloud-based applications (MS O365, SharePoint, Azure AD, AWS) + Proven… more
    Leidos (09/26/25)
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  • Sr Principal Cybersecurity Analyst/Network…

    Northrop Grumman (Chantilly, VA)
    …including COTS integration, and capacity analysis. + Experience with Linux and Windows operating systems + Previous experience contributing to building ATO ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...a candidate to join our diverse team of engineers, system administrators, and operators as a Sr. Principal Cyber… more
    Northrop Grumman (10/02/25)
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  • Mission Application Technical Support Specialist…

    RTX Corporation (Langley AFB, VA)
    …You Must Have** + 8 years of experience in the field of computer system administration , including some DCGS experience + Typically requires a degree in ... 3/4 mission support of existing and new mission applications hosted on Linux and Windows operating systems . Candidates for this position should have a strong… more
    RTX Corporation (11/06/25)
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  • TS/SCI Senior Java Developer

    Insight Global (Arlington, VA)
    …experience in lieu of degree * Minimum 15+ years of experience in cloud systems administration and infrastructure management * Minimum 5+ years of experience ... Azure, or Google Cloud Platform) * Advanced proficiency in Linux/Unix and Windows server administration * Strong experience with containerization technologies… more
    Insight Global (11/06/25)
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