• Raytheon Technologies (Mckinney, TX)
    …Enterprise Linux, Active Directory, WSUS, VMware , BackupExec, NetBackup, prior systems administration experience, Windows or Linux administration, Backup and ... create a safer, more secure world. What You Will Do: Provide IT systems administration in a heterogeneous RedHat Enterprise/Microsoft Windows and environment.… more
    Upward (07/20/25)
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  • Raytheon Technologies (Mckinney, TX)
    …personnel, and representing the organization in functional area matters. Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat ... VMware , Veeam, AWS, MySQL, Remote Desktop Gateway, and prior systems administration and networking administration experience, Windows or Linux… more
    Upward (07/14/25)
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  • Top Secret Clearance Jobs (Lone Tree, CO)
    …and conducting yearly reviews Knowledge of technical standards relating to systems security; experience administering UNIX, Linux, and Windows operating ... About the job Systems Security Manager I Top Secret Clearance Jobs...policies. As an SSM you will serve as the principal advisor on all matters technical and otherwise involving… more
    Upward (07/23/25)
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  • Sr. Principal VMware Systems

    Northrop Grumman (Annapolis Junction, MD)
    …of your career. Northrop Grumman Mission Systems is seeking an expert VMWare systems administrator to join its dynamic team of technical professionals in ... will include but not be limited to the following: + Perform as VMWare systems administrator for large, classified government contracts. + Obtain and… more
    Northrop Grumman (07/08/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Dulles, VA)
    …Information and Digital Office (CIDO) organization is seeking a highly experienced **Senior Principal Windows Systems Administrator** to join its dynamic ... MCSE (or similar Microsoft cert), and 10 years of Windows Server Administration to include VMWare , Active...server management experience + Windows AD, LDAP, VMWare , and knowledge of SAN storage systems .… more
    Northrop Grumman (07/11/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Palmdale, CA)
    …environment + Windows server management experience + Windows AD, LDAP, VMWare , and knowledge of SAN storage systems . + Linux Operating System experience ... Classified Solutions team is seeking a highly experienced **Senior Windows Systems Administrator** to join its dynamic...MCSE (or similar) Microsoft certification + 10 years of Windows Server Administration to include VMWare , Active… more
    Northrop Grumman (07/09/25)
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  • Principal Windows Architect - AHT

    Northrop Grumman (Huntsville, AL)
    …+ Broad knowledge of systems administrations to include multiple technologies ie, ( Windows , Linux, Cisco, VMware , NetApp) + Working knowledge of Linux ... **Duties include but not limited to:** + Perform as Windows Systems Administrator for a large, classified...Windows Domain environment + Experience building and administrating VMware vSphere 7.x or higher in a large environment… more
    Northrop Grumman (07/18/25)
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  • Principal Windows Systems

    Northrop Grumman (Redondo Beach, CA)
    …of the best work of your career. Northrop Grumman is seeking a well-qualified Windows Systems Administrator to join its dynamic team of technical professionals ... will include but not be limited to the following: + Perform as primary Windows Systems Administrator for a large, classified government contract. + Communicate… more
    Northrop Grumman (07/18/25)
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  • Linux Principal Windows

    Serco (Kirtland AFB, NM)
    **Position Description** Serco is seeking a Linux Principal Windows Systems Administrator to join our team supporting the Defense Systems sector at ... other legally protected characteristics. Click here to apply now (https://careers-sercous.icims.com/jobs/69556/linux- principal - windows - systems -administrator/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to Serco?** Join… more
    Serco (05/17/25)
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  • Senior / Principal Windows System…

    SciTec (Boulder, CO)
    …will not be considered. SciTec has an immediate opportunity for a talented Senior Principal Windows System Administrator to join our team in Boulder, CO. ... and a clear focus on supporting customer needs. Responsibilities + Provide Windows systems administration in multiple heterogeneous Microsoft Windows more
    SciTec (06/18/25)
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  • Principal Windows System…

    RTX Corporation (El Segundo, CA)
    …citizens are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph ** Principal Windows Systems Administrator- El Segundo, CA -Must ... are eligible for a security clearance. + Must have Windows systems administration experience + Must have...computing methods **Qualifications We Prefer:** + Experience with hardening systems for security compliance (STIG). + VMware more
    RTX Corporation (07/11/25)
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  • Principal Windows Specialist

    RTX Corporation (Mckinney, TX)
    …Enterprise Linux, Active Directory, WSUS, VMware , BackupExec, NetBackup, prior systems administration experience, Windows or Linux administration, Backup and ... secure world. **What You Will Do:** + Provide IT systems administration in a heterogeneous RedHat Enterprise/Microsoft Windows...to a variety of technical problems + Experience using VMWare vCenter, vSphere, Linux Desktops, Windows desktops… more
    RTX Corporation (07/16/25)
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  • Principal Windows System…

    RTX Corporation (El Segundo, CA)
    …**What You Will Do:** + Implement and maintain a Windows Enterprise environment including system administration, networking, performance monitoring/tuning, security ... standards and practices, including working knowledge to backup data, restore systems , and troubleshoot. + Conduct short-term and long-term capacity planning to… more
    RTX Corporation (07/15/25)
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  • Computer Systems Architect…

    Northrop Grumman (San Diego, CA)
    …engineering experience. + Demonstrated experience with Windows and Unix operating systems + Demonstrated experience with VmWare + Ability to obtain and ... Grumman Aeronautics Systems is seeking a **Computer Systems Architect OR Principal Computer Systems...Demonstrated experience with Windows and Unix operating systems + Demonstrated experience with VmWare +… more
    Northrop Grumman (07/10/25)
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  • Principal Systems Administrator

    BAE Systems (Merrimack, NH)
    …incentives may be available based on position level and/or job specifics. ** Principal Systems Administrator** **113660BR** EEO Career Site Equal Opportunity ... Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator to lead...after-hours or weekend support may be required for maintenance windows or incident response. You must be able to… more
    BAE Systems (06/19/25)
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  • Senior Systems Administrator…

    Mount Sinai Health System (New York, NY)
    …Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems , and help support high-performance computing (HPC) ... will support a wide array of applications, including VMware , REDCap, Jira, Confluence, Postgres, MySQL, SQL server, Tivoli...of experience in designing, administering and troubleshooting Linux and Windows systems , storage systems , network… more
    Mount Sinai Health System (06/24/25)
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  • Principal Systems Administrator

    RTX Corporation (Tucson, AZ)
    …are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Principal Systems Administrator- 100% onsite, Tucson, AZ, must have active ... our systems and support IT infrastructures around the world. ** Principal System** **Administrators,** internally known as Principal Analyst, infrastructure… more
    RTX Corporation (06/26/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …warfighter. Come be a part of our mission. Northrop Grumman is seeking a **Sr Principal Systems Administrator** to join our team at our facility in Aurora, ... server administration experience with Linux (RedHat Enterprise Linux is preferred) and Windows + Perform administration on VMware technologies (or related) +… more
    Northrop Grumman (06/12/25)
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  • Sentinel - Systems Test Engineer…

    Northrop Grumman (Roy, UT)
    …RHEL and Windows OS + 1 year of experience with Windows AD, VMWare , or SAN storage systems + 1 year of experience integrating COTS, GOTS and custom ... history, they're making history. Northrop Grumman is seeking a ** Systems Test Engineer / Principal Systems...3 years of experience with Windows AD, VMWare , or SAN storage systems + 3… more
    Northrop Grumman (06/19/25)
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  • Principal Systems Administrator

    ManTech (Arlington, VA)
    …Certification or ability to obtain within 6 months of hire + Knowledge of Microsoft Windows Systems , HP SANs, VMware products + Experience using a Service ... ManTech seeks a motivated, career and customer-oriented ** Principal Systems Administrator** to join our...needs + Strong technical skills in areas such as Windows and Linux operating systems , network administration,… more
    ManTech (05/24/25)
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