• Network Administrator

    ManTech (Laurel, MD)
    …or SSCP) **Preferred Qualifications:** + Familiarity with configuring, scripting, and managing Unix , RHEL and Windows operating systems + Familiarity with ... + Configure Remote Authentication Dial-In User Service (RADIUS) for switch administration + Use network monitoring and management tools such as Solarwinds… more
    ManTech (07/23/25)
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  • Sr. Consultant - OT Network Architect | Remote,…

    Optiv (Columbia, MD)
    …understanding of networking (TCP/IP, OSI model), operating system fundamentals ( Windows , UNIX , mainframe), security technologies (firewalls, IDS/IPS, etc.) ... + Obtain and maintain top tier networking vendor certification. + Complete administrative project tasks like time and expense entry, status reporting, and project… more
    Optiv (06/12/25)
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  • System Administrator II

    General Dynamics Information Technology (Annapolis Junction, MD)
    …problems and remains involved in the resolution process + Configure and manage UNIX , Linux and Windows (or other applicable) operating systems and installs/loads ... + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Communication,Information Systems,Operating Systems (OS),System Security,Systems Software **Experience:**… more
    General Dynamics Information Technology (08/08/25)
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  • System Administrator I

    General Dynamics Information Technology (Annapolis Junction, MD)
    …problems and remains involved in the resolution process. Configures and manages UNIX , Linux and Windows operating systems and installs/loads operating system ... + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Communication,Information Technology (IT),Network Components,Operating Systems (OS),Troubleshooting **Experience:**… more
    General Dynamics Information Technology (08/08/25)
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  • Secret Cleared Vulnerability Scanning Specialist

    Zantech (Adelphi, MD)
    …system administration . This position requires a strong background understanding UNIX /Linux and Windows operating systems. Responsibilities include, but will ... not be limited to: + Initiate ACAS scans and analyze results + Collaborate with other members of the IA/scanning team on daily issues. + Research and explain software vulnerabilities for multiple operating systems. + Diagnose and resolve scanner software… more
    Zantech (08/07/25)
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  • System Administrator

    SAIC (Fort Meade, MD)
    …Administrator manages and maintains the infrastructure that powers operating systems ( UNIX , Linux, and Windows ) and networks. Responsibilities span various ... scaling). + Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA).… more
    SAIC (08/07/25)
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  • IT Lead

    KBR (Bethesda, MD)
    …to a cloud infrastructure. + Must have knowledge and hands-on experience administering Windows , UNIX , and Cloud based systems + Must have demonstrated ability ... + The Information Technology Lead is responsible for overseeing the management and administration of customer IT infrastructure and is expected to manage the teams… more
    KBR (05/22/25)
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  • Security Engineer

    TEKsystems (Columbia, MD)
    …and tenant configuration. * Experience with Logs Management tools. * Experience with Windows , Linux / Unix , scripting (PowerShell, or Perl), Active Directory, ... the project duration. (DLP, IAM, Vulnerability Management, Network Security, Windows Infrastructure and Systems) 3.) Knowledgeable with Microsoft 365 suite… more
    TEKsystems (08/08/25)
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  • Cyber Security Analyst (Mid-Level)

    Oasis Systems, LLC (Rockville, MD)
    …design and general internetworking technologies. Hands-on experience a plus. + Knowledge of Windows and Unix operating systems. Hands-on experience a plus. MAR ... identifying unique system characteristics, interviewing key organizational personnel (technical, administrative , and executive), and working with the consulting team… more
    Oasis Systems, LLC (06/20/25)
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  • Principal Network Engineer

    Leidos (Bethesda, MD)
    …Cloud technologies, scripting skills with shell, python, PERL and the like, supporting Windows and Unix environments, as well as proven experience installing and ... **Primary Responsibilities:** + Responsible for architecture, design, installation, configuration, administration , support, and maintenance of networks, including associated hardware… more
    Leidos (08/02/25)
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