• System Administrator Multi-Disciplined

    RTX Corporation (El Segundo, CA)
    … Server , Active Directory, WSUS, VMware, BackupExec, NetBackup, prior systems administration and networking administration experience. + Experience with cloning ... secure world. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat...a functional understanding of VDI. + Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP,… more
    RTX Corporation (09/24/25)
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  • Information Systems Analyst / Onsite: KoP

    Lockheed Martin (King Of Prussia, PA)
    …* Experience with integration of Windows Server and Linux operating systems * Experience with Red Hat Operating System administration * Experience ... storage or storage area networks * Experience administering Microsoft's Windows Server \(i\.e\. 2019, 2022\) operating system functions, security policies… more
    Lockheed Martin (11/07/25)
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  • Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Principal System ... team to support exciting, critical programs with classified information system capabilities. Success in this role means you can...problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat… more
    RTX Corporation (10/29/25)
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  • Information Systems Engineer Analyst…

    Lockheed Martin (Orlando, FL)
    …updates o Experience troubleshooting Web Applications o JBOSS \(WildFly\) Application Server Familiarity o Understanding of Network Open System Interconnection ... Professional **Business Unit:** AERONAUTICS COMPANY **Relocation Available:** Possible **Career Area:** Systems Engineering: System of Systems Integration… more
    Lockheed Martin (11/01/25)
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  • Senior Principal Windows System…

    RTX Corporation (El Segundo, CA)
    …You Will Do:** + Share technical expertise and mentor a team of System Administrators to ensure the confidentiality, integrity, and availability of IT systems ... whose duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide… more
    RTX Corporation (10/24/25)
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  • Senior System Administrator

    RTX Corporation (Tucson, AZ)
    …technology solutions to prevent security threats, protect the integrity of our systems and support Raytheon IT infrastructure around the world. Senior System ... with a many teams to support fast-paced, critical programs with classified information system capabilities. Success in this role means you are able to develop,… more
    RTX Corporation (10/15/25)
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  • IT Systems Engineer, Sr / Top Secret…

    Lockheed Martin (King Of Prussia, PA)
    …STIGs and resolving security vulnerabilities \- Experience administering Microsoft's Windows Server \(i\.e\. 2016, 2019, or 2022\) operating system functions, ... located in Valley Forge, Pennsylvania\. Deep expertise in technical leadership, Linux server , Windows server , Storage and network administration are essential… more
    Lockheed Martin (11/07/25)
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  • System Development Engineer III

    Amazon (Arlington, VA)
    …perform database queries (SQL) using Window , Linux, or Unix based operating systems and SQL Server databases. Provide support and technical consultation to ... perform database queries (SQL) using Window , Linux, or Unix based operating systems and SQL Server databases. Provide support and technical consultation to… more
    Amazon (09/30/25)
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  • Linux Information Systems Analyst, Sr…

    Lockheed Martin (King Of Prussia, PA)
    …and perform system hardening to ensure the security of our systems \. * Root Cause Analysis: Perform in\-depth analysis to resolve technical issues in ... identifying and addressing the root causes of problems\. * System Performance Optimization: Analyze and assess server ...at this facility **Desired Skills:** * Experience with Windows Server Operating Systems * Experience with Active… more
    Lockheed Martin (11/26/25)
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  • Principal Windows System Administrator

    RTX Corporation (El Segundo, CA)
    …a safer, more secure world. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. + ... Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP,...complexity to include the integration of hardware and operating systems (OS). + Experience with data RAID, data backup… more
    RTX Corporation (10/21/25)
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