• Senior Systems Administrator…

    Mount Sinai Health System (New York, NY)
    …at Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems , and help support high-performance computing (HPC) ... + At least 6 years of experience in designing, administering and troubleshooting Linux and Windows systems , storage systems , network and VMs. + The… more
    Mount Sinai Health System (12/22/25)
    - Save Job - Related Jobs - Block Source
  • Principal System Administrator…

    RTX Corporation (El Segundo, CA)
    …Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. + Understanding and knowledge of ... technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Sr. Principal more
    RTX Corporation (12/09/25)
    - Save Job - Related Jobs - Block Source
  • Principal Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Linux Systems Administrator** in our **Intelligence Sector, Cyber & Analytics ... us and make a difference in National** **Security!** Join our team as a ** Linux Systems Administrator** , where you'll provide crucial support for the… more
    Leidos (12/19/25)
    - Save Job - Related Jobs - Block Source
  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified ** Linux Systems Administrator** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a classified government...subnets, routing, and VLANs; Cisco experience and/or certification + Windows server management experience + Windows AD,… more
    Northrop Grumman (11/19/25)
    - Save Job - Related Jobs - Block Source
  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively ... be a condition of continued employment + Must have Linux Operating Systems support experience + ...routing, and VLANs + Cisco experience and/or certifications + Windows server management experience + Windows Active… more
    Northrop Grumman (01/07/26)
    - Save Job - Related Jobs - Block Source
  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified Linux Systems Administrator to join its dynamic team of technical ... recommendations to purchase hardware, software, and system components. + Perform as a Linux systems administrator for a classified government network and manage… more
    Northrop Grumman (01/06/26)
    - Save Job - Related Jobs - Block Source
  • Principal Linux Systems

    RTX Corporation (Aurora, CO)
    …will be supporting a Raytheon program in a classified environment as a ** Principal Linux System Administrator in Aurora, CO.** Responsibilities include building, ... well as scripting - particularly in Bash and Python. + Experience administering Windows based systems . + Demonstrated ability to work independently and… more
    RTX Corporation (12/29/25)
    - Save Job - Related Jobs - Block Source
  • Principal IT Windows Systems

    SpaceX (Redmond, WA)
    Principal IT Windows Systems ...with adjacent technologies and disciplines: + Datacenter infrastructure + Linux systems + Database systems ... hours and weekends as needed. COMPENSATION AND BENEFITS: Pay Range: Principal IT Windows Systems Engineer: $165,000.00 - $230,000.00/year Your actual level… more
    SpaceX (12/11/25)
    - Save Job - Related Jobs - Block Source
  • Principal Windows Systems

    Northrop Grumman (Baltimore, MD)
    …your career. Northrop Grumman Mission Systems is seeking a well-qualified ** Windows Systems Administrator** to join its Classified Solutions team in ... limited to the following: + Perform as a primary Windows /VMware Systems Administrator for a classified government... AD, LDAP, VMWare, and knowledge of SAN storage systems . + Linux Operating System experience and/or… more
    Northrop Grumman (01/08/26)
    - Save Job - Related Jobs - Block Source
  • Senior / Principal Windows System…

    SciTec (Boulder, CO)
    …+ Provide Windows systems administration in multiple heterogeneous Microsoft Windows and Red Hat Enterprise Linux environments + Install, configure, and ... has an immediate opportunity for a talented Senior / Principal Windows System Administrator to join our...Implement and maintain security policies and procedures to protect Windows systems and data. + Monitor system… more
    SciTec (11/19/25)
    - Save Job - Related Jobs - Block Source
  • Windows Server Administrator/…

    Northrop Grumman (Wright Patterson AFB, OH)
    …only part of history, they're making history. Northrop Grumman is seeking a Windows Server Administrator/ Principal Windows Server Administrator to maintain ... and enhance Windows Systems and Infrastructure in support of the National Air...master's degree with 0 year of relevant experience. + ** Principal Windows Server Administrator (level 3):** Bachelor's… more
    Northrop Grumman (12/03/25)
    - Save Job - Related Jobs - Block Source
  • Senior Principal Software Engineer…

    Dell Technologies (Austin, TX)
    **Senior Principal Software Engineer - Windows Driver Developer** We are seeking a highly skilled and motivated Windows Driver Developer to join our BIOS and ... to advancing Dell's Modern BIOS initiatives, including full stack development of Windows , BIOS and EC (Embedded Controller) drivers and diagnostic applications for … more
    Dell Technologies (01/02/26)
    - Save Job - Related Jobs - Block Source
  • Linux / AWS Systems Administrator…

    Northrop Grumman (Morrisville, NC)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator** to join its dynamic team of technical ... limited to the following:** + Serve as a senior Linux Systems Administrator within an AWS cloud...writing. + DoD 8570 Certification in a primary OS ( Windows , Linux , Cisco). We offer flexible work… more
    Northrop Grumman (11/15/25)
    - Save Job - Related Jobs - Block Source
  • Sr. Principal Cyber Systems Engineer

    Northrop Grumman (Redondo Beach, CA)
    …Firewalls, CISCO IOS) + Experienced in the implementation of CMMC/DFARS/RMF/DOD Security Controls on Linux and Windows operating systems (ie Windows SHB ... making history. Northrop Grumman has an opening for **Sr. Principal Cyber Systems Engineer** to join the...CISCO network switches + Implementation of Security controls on Windows and Linux Servers and workstations +… more
    Northrop Grumman (11/26/25)
    - Save Job - Related Jobs - Block Source
  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …they're making history. Northrop Grumman Space Systems (NGSP) is seeking a **Sr Principal Systems Administrator** to join our team at our facility in Aurora, ... be limited to, the following:** + Perform as a Linux and Windows System Administrator on large...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (11/13/25)
    - Save Job - Related Jobs - Block Source
  • Principal System Administrator

    BAE Systems (Nashua, NH)
    …impats in the following ways_** + Administer patch management for RHEL-based Linux systems , including vulnerability scanning, patch deployment, and compliance ... Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator to lead...integration. + Deploy and configure Splunk Universal Forwarders on Linux systems ; manage log ingestion and index… more
    BAE Systems (12/19/25)
    - Save Job - Related Jobs - Block Source
  • Principal /Sr. Principal

    Northrop Grumman (Patuxent River, MD)
    …Grumman Aeronautics Systems (NGAS) has an exciting career opportunity for a ** Principal /Sr. Principal Systems Administrator** to join the Ground Segment ... Current valid DoD 8570 Certification in a primary OS ( Windows , Linux , Cisco). + Experience operating under...Linux , Cisco). + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (12/12/25)
    - Save Job - Related Jobs - Block Source
  • Sr. Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …history. Northrop Grumman Space Systems (NGSP) seeks to find a **Sr. Principal Systems Administrator** supporting the Integrated National Systems (INS) ... in **Aurora, CO.** **Job Duties:** + Perform as a Linux and Windows System Administrator and able...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (11/06/25)
    - Save Job - Related Jobs - Block Source
  • Sr. Software Engineer - EC2 Windows OS…

    Amazon (Santa Clara, CA)
    …NDIS, StorPort, WDM, WDF etc - Deep understanding into OS level, familiar with either Windows or Linux kernels - Prior experience with at least one full software ... build services that handle large scale, highly available distributed systems . We are looking for Software Development Engineers who...has a strong track record of developing and delivering Windows user- or kernel-mode drivers in a system level… more
    Amazon (12/18/25)
    - Save Job - Related Jobs - Block Source
  • Principal Systems Engineer

    V2X (Springfield, VA)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to support our ... ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior-level Principal Systems Engineer shall lead a diverse, multi- disciplinary team… more
    V2X (11/25/25)
    - Save Job - Related Jobs - Block Source