• Penetration Tester

    CACI International (Herndon, VA)
    …in at least one of the following: + Microsoft Windows / Active Directory + Linux (CentOS, Red Hat , Ubuntu, Debian, etc.) + Virtual environments such ... * System level and security administration knowledge of computer operating systems . Operating system experience shall be with the identified release or… more
    CACI International (06/21/25)
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  • Telecom Linux Systems Engineer

    System One (Herndon, VA)
    systems that support telecommunications infrastructure. * Advanced knowledge of CentOS 7 and Red Hat Enterprise Linux (RHEL). * Experience configuring and ... Telecommunications Linux Systems Engineer TS/SCI clearance Herndon,...and development staff to identify and remediate issues affecting system and network performance. Responsibilities include analyzing network behavior,… more
    System One (06/06/25)
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  • Sr. Penetration Tester

    CACI International (Chantilly, VA)
    …in at least one of the following: + Microsoft Windows / Active Directory + Linux (CentOS, Red Hat , Ubuntu, Debian, etc.) + Virtual environments such ... + System level and security administration knowledge of computer operating systems . Operating system experience shall be with the identified release or… more
    CACI International (06/21/25)
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  • Windows Linux Systems Administrator…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …The infrastructure consists of a hybrid mix of **Windows and Red Hat Enterprise Linux (RHEL) systems .** **Key Responsibilities:** + Perform ... applications (eg, Outlook, Excel, Word, Java, Internet Explorer) + Linux system administration + Familiarity with ticketing systems such as ServiceNow or… more
    General Dynamics Information Technology (07/16/25)
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  • Linux Systems Engineer

    William C Brown Inc (Springfield, VA)
    …Operational support + Virtualization technologies (VMware, virtual networking, vROPS, XenServer/XCP-ng) + Red Hat Enterprise Linux , YUM, Satellite, Capsule ... Linux Systems Engineer EOE Statement We... Linux Systems Engineer EOE Statement We are an equal...ENGINEER WILL MAKE AN IMPACT + Design and define system architecture for new or existing computer systems more
    William C Brown Inc (06/26/25)
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  • Lead IT Infrastructure Engineer

    Lumen (Richmond, VA)
    …Engineering or related) or equivalent experience + Minimum of 6 years of experience with Linux ( Red Hat , Rocky, Ubuntu, etc.) administration + Minimum of 6 ... The role of this position is to serve as a Linux and virtual infrastructure system administrator, for both on-premise and cloud based infrastructure. Primary… more
    Lumen (07/15/25)
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  • System Administration/Cybersecurity Admin…

    Lockheed Martin (Virginia Beach, VA)
    …requires US citizenship\. **Desired Skills:** ACAS/ESS/SolarWinds Training and Administration Experience LINUX , Red Hat , Windows Active Directory ... **Description:** Seeking experienced System Administrator to support the Space fence radar...associated with computer based maintenance related to digital processing systems /subsystems utilizing Linux , Microsoft, and/or other operating… more
    Lockheed Martin (07/12/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    System /Computing Environment certificate for Windows Server 2012 or newer UNIX ( Linux ( Red Hat ), Solaris). + Experience with vulnerability scanners. ... the enterprise. Candidates must possess thorough understanding of Windows & Linux operating systems , cloud technology, contemporary networking, and cybersecurity… more
    Tau Six (04/23/25)
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  • Systems Administrator

    BAE Systems (Springfield, VA)
    …Compliance Assessment Solution (ACAS) + Experience with Cloud technology (AWS) + Experience with Linux ( Red Hat ) + Netapp and storage technologies (NAS) + ... computer systems , coordinates with network engineers, monitors and manages system resources, and performs systems security administration functions. To… more
    BAE Systems (06/28/25)
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  • Service Engineer II - CTJ - Poly

    Microsoft Corporation (Reston, VA)
    …+ Experience with Linux operating system distributions, including Debian, Ubuntu, Red Hat , and Azure Linux . + Experience working with common ... solve complex problems in the domain of mission-critical distributed systems spanning data transmission across clouds. Our team works...technology relates to Cloud networking, physical networking, automation, and Linux (Debian and Red Hat more
    Microsoft Corporation (07/11/25)
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