• UNIX Systems Engineer

    GovCIO (Annapolis, MD)
    …Radford, VA and will be a remote position. **Responsibilities** This position is for a Senior UNIX System Engineer for a mixed and growing environment of Red Hat ... **Overview** GovCIO is currently hiring for an UNIX Systems Engineer to plan, execute, and implement,create...Enterprise Linux/Oracle Enterprise Linux and Solaris UNIX . This position will work with the existing … more
    GovCIO (09/24/25)
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  • Unix IA Ops Systems Administrator

    SMX (Patuxent River, MD)
    Unix IA Ops Systems Administrator (4702)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a Mid-Level Unix IA Ops ... focused on Information Assurance (IA) compliance and security operations for Unix /Linux systems across Department of Defense (DoD) networks. The selected candidate… more
    SMX (10/01/25)
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  • Senior Systems Engineer

    Concurrent Technologies Corporation (Fort Meade, MD)
    Senior Systems Engineer Concurrent Technologies Corporation Client Site - Fort Meade, MD area Minimum Clearance Required: TS/SCI with Fullscope Poly Clearance Level ... + Experience shall include installation, configuration, and networking of UNIX and/or NT based platforms. This experience shall include:...understanding of operating systems ad be familiar with either UNIX or NT commands or utilities at the user… more
    Concurrent Technologies Corporation (08/07/25)
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  • Senior Mainframe Systems Programmer - zOS…

    Ensono (Annapolis, MD)
    Senior Mainframe Systems Programmer - zOS ISVRemote - United StatesJR011987 Position Summary TheSeniorMainframe Systems Programmer provides support for on-going ... knowledge of TSO/ISPF, SDSF, JCL. + Advanced knowledge of Unix System Services (USS) + Advanced knowledge of ...Unix System Services (USS) + Advanced knowledge of Unix System Services (USS) file system management and security… more
    Ensono (07/26/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... Travel: Local * * * **The Opportunity:** **CACI** is seeking a ** Senior Linux Systems Administrator** to provide support for implementation, troubleshooting and… more
    CACI International (09/25/25)
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  • Senior Mainframe Systems Programmer - zOS

    Ensono (Annapolis, MD)
    Senior Mainframe Systems Programmer - zOSRemote - United StatesJR012377 The Senior Mainframe Systems Programmer provides support for on-going projects that ... knowledge of TSO/ISPF, SDSF, JCL. + Working knowledge of Unix System Services (USS) + Working knowledge of ...Unix System Services (USS) + Working knowledge of Unix System Services (USS) file system management and security… more
    Ensono (09/23/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    Senior System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... IT environments, with a focus on high-assurance systems. This senior -level position involves architecture support, advanced troubleshooting, security compliance, and… more
    CACI International (08/01/25)
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  • Senior Software Quality Assurance Tester

    Guidehouse (New Carrollton, MD)
    …**:** Ability to Obtain Public Trust **What You Will Do** **:** As a Senior Software Quality Assurance Tester, you will: + Lead and execute complex testing efforts ... JMeter, LoadRunner, Informatica, Control-M, and platforms such as Windows, Linux, UNIX , and mainframe environments. Familiarity with databases like Oracle, DB2, SQL… more
    Guidehouse (10/02/25)
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  • Senior Linux Systems Administrator - 10k…

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & ... devices, and more. Your role will involve configuring and managing UNIX and Windows operating systems, troubleshooting, maintaining network integrity, and enhancing… more
    Leidos (09/26/25)
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  • Media Malware Analyst, Senior

    Leidos (Odenton, MD)
    …The National Security Sector (NSS) seeks a highly qualified and trained Senior -level Media Malware Analysts to support United States Cyber Command (USCYBERCOM) ... enterprise malware analysis tools. + Conduct log/system analysis (routers, Windows, UNIX ) for threat detection and update DoD situational awareness mechanisms (eg,… more
    Leidos (09/12/25)
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