• Senior Linux Systems Administrator

    The Boeing Company (Hazelwood, MO)
    …and inventory updates + Document the existing environment, including server inventory, operating systems , connectivity diagrams, and create standard operating ... managing virtualized environments, as well as installing, configuring, and troubleshooting Linux-based systems and desktop operating systems . + Experience… more
    The Boeing Company (12/25/25)
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  • Lead Administrator Linux Systems

    Burlington (Edgewater Park, NJ)
    …support to users. This role requires a strong understanding of Linux operating systems , networking, hardware, scripting languages, and automation. In this ... model. **You'll Come With** **Key** **Responsibilities** + Install, configure, andmaintainLinux operating systems and related software. + Monitor system… more
    Burlington (12/17/25)
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  • Windows Systems Administrator

    ManTech (Chantilly, VA)
    …configuration baselines + Plan, test, install, integrate, and maintain new or updated operating systems + Apply security and firmware patches promptly; assist in ... and integrate new hardware and software components + Manage the lifecycle of operating systems + Design interfaces to external systems and maintain thorough… more
    ManTech (12/03/25)
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  • Systems Administrator II (TS/SCI w/…

    COMSO, Inc (Fort Meade, MD)
    …& Network Management: . + Configure and manage UNIX and Windows operating systems , including installation, troubleshooting, and maintenance of system integrity. ... Systems Administrator II (TS/SCI w/ Polygraph) FORT MEADE,...1988, and remain a recognized woman owned small business, operating in several states including Maryland, Georgia, Hawaii, Texas,… more
    COMSO, Inc (01/15/26)
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  • Senior/Principal Cybersecurity Engineer - Embedded…

    Sandia National Laboratories (Albuquerque, NM)
    …we would like to see your background include some of the following: + Real-time operating systems (RTOS) and embedded systems . + Low-level research in ... and hardware + RF (radiofrequency) signal analysis + Mobile/cellular protocols, operating systems , and applications security + Well-developed leadership skills… more
    Sandia National Laboratories (01/10/26)
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  • Information Systems Security Manager…

    RTX Corporation (Cedar Rapids, IA)
    …Experience working with and/or supporting computer technologies (such as: databases, operating systems , computer network hardware, software programs, hardware ... is seeking an Information System Security Manager (ISSM). The Information Systems Security Manager is responsible for compliance oversight, assessment, and… more
    RTX Corporation (01/10/26)
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  • Systems Security and Network Security…

    BOOZ, ALLEN & HAMILTON, INC. (Lexington Park, MD)
    …environment + Knowledge of cybersecurity concepts + Knowledge of Microsoft and Linux operating systems + Ability to identify security requirements for connected ... or GED Nice If You Have: + Experience as an Operating System Administrator, Systems Engineer, Requirements Analyst, Information Systems Security Officer,… more
    BOOZ, ALLEN & HAMILTON, INC. (01/10/26)
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  • NSIPS Sr Systems Administrator | Secret…

    General Dynamics Information Technology (New Orleans, LA)
    …None **Job Family:** IT Infrastructure and Operations **Skills:** Computer Systems , Operating Systems (OS),Software Installations,VMware VDI **Experience:** ... of network users * Performs advanced software installations and upgrades to operating systems and layered software packages * May coach and provide guidance to… more
    General Dynamics Information Technology (01/10/26)
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  • Principal Computer Systems Analyst

    Northrop Grumman (Hollywood, MD)
    …to isolate issues between software, firmware, and hardware, between software and operating systems , between networks and applications, and between one-time ... Directory, and Group Policy in a classified environment + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, DISA… more
    Northrop Grumman (01/07/26)
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  • Principal Linux Systems Administrator

    Northrop Grumman (Linthicum Heights, MD)
    …in a networked environment. + Experience deploying and managing Windows Server operating systems . + Experience administering a Microsoft Active Directory domain ... DoD 8570 or 8140 compliant security certification. + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG,… more
    Northrop Grumman (01/06/26)
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