• Principal Systems

    RTX Corporation (Tucson, AZ)
    …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, AD, and server...complexity to include the integration of hardware and operating systems (OS). + Must be able to obtain Department… more
    RTX Corporation (09/03/25)
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  • Principal Storage & Data Protection System…

    RTX Corporation (Tucson, AZ)
    …create end-of-end solutions to solve complex DT infrastructure problems. As a **Senior Principal level System Administrator ,** this role will require a seasoned ... interim clearance is obtained.** + Experience working with Storage and Data Protection systems . + Experience with Linux Operating System. (RHEL preferred) +… more
    RTX Corporation (09/24/25)
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  • Principal System Administrator

    RTX Corporation (Aurora, CO)
    …that create a safer, more secure world. Raytheon has an opportunity for a ** Principal System Administrator ** for Linux operational support and sustainment ... other government mandated processes during the life cycle of systems they will maintain. **What You Will Do:** +...+ Demonstrated experience in all aspects of managing a Unix/ Linux environment + Must be able to provide occasional… more
    RTX Corporation (09/03/25)
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  • Sr. Principal System Administrator

    RTX Corporation (Plano, TX)
    …tough, meaningful problems that create a safer, more secure world. **Sr. Principal System Administrators** , internally known as Principal Analyst, ... problems. **What You Will Do: ** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat...administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. + Linux Server management to… more
    RTX Corporation (09/09/25)
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  • Principal Systems

    RTX Corporation (Tucson, AZ)
    …US citizens are eligible for a security clearance. + Experience supporting Windows and/or Linux operating systems . + Experience with but not limited too, Active ... secure world. **What You Will Do:** + Experience with Linux architecture, deployment, administration, networking, performance monitoring/tuning, security hardening,… more
    RTX Corporation (08/21/25)
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  • Principal System Administrator

    RTX Corporation (Mckinney, TX)
    …(OS). + Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux /Windows ... Enterprise Linux , Active Directory, WSUS, VMware, BackupExec, NetBackup, prior systems administration experience, Windows or Linux administration, Backup and… more
    RTX Corporation (09/11/25)
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  • Principal Cybersecurity…

    Northrop Grumman (Melbourne, FL)
    …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared… more
    Northrop Grumman (09/20/25)
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  • Principal Windows System…

    RTX Corporation (El Segundo, CA)
    …create 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, AD, and server...complexity to include the integration of hardware and operating systems (OS). + Experience with data RAID, data backup… more
    RTX Corporation (09/11/25)
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  • Senior Systems Administrator III…

    V2X (Bangor, WA)
    …to obtain and maintain a Counterintelligence (CI) Polygraph. Under the guidance of the Principal Systems Administrator , the Senior Systems ... with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator III Generalist - active TS/SCI clearance to support… more
    V2X (09/05/25)
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  • Senior Linux Adminstrator

    Insight Global (Atlanta, GA)
    Job Description We are seeking a highly skilled Principal Linux Administrator to design, deploy, secure, and maintain Linux server environments, with a ... images, and methodologies for both virtual machines and bare metal. * Harden Linux systems to meet STIG, NIST 800-171, and CCMC Level 2 compliance standards. *… more
    Insight Global (09/09/25)
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