• Sr Principal Windows

    Northrop Grumman (Dulles, VA)
    …Grumman Chief Information and Digital Office (CIDO) organization is seeking an experienced ** Sr Principal Windows Systems Administrator** to join ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...be limited to the following:** + Perform as a Windows System Administrator for a classified government contract. +… more
    Northrop Grumman (10/03/25)
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  • Windows System Administrators Careers

    Northrop Grumman (Annapolis, MD)
    … client and server including installing, upgrading/patching, monitoring, and hardening the system. ** Sr . Principal Windows Systems Administrator:** + ... years of experience may be considered in lieu of a completed degree. + ** Sr . Principal Windows Systems Administrator** - Associate's degree and 11 years… more
    Northrop Grumman (09/14/25)
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  • Sr Principal Systems Engineer…

    General Dynamics Information Technology (Washington, DC)
    …17 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Sr Principal Systems Engineer - Active Directory - Active ... None **Job Family:** IT Infrastructure and Operations **Skills:** Complex Systems ,Microsoft Windows Server, Systems Engineering, Systems...your opportunity to make a personal impact as a ** Sr ** ** Principal Systems Engineer** **-… more
    General Dynamics Information Technology (09/26/25)
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  • LINUX Sr Principal Systems

    General Dynamics Information Technology (Washington, DC)
    …of related experience **US Citizenship Required:** Yes **Job Description:** Job Description ** Senior Principal Systems Engineer - Linux** Design, deploy, ... maintain Linux technologies to advance the mission as a ** SENIOR PRINCIPAL SYSTEMS ENGINEER** with...Linux Systems (currently, RHEL 7/8 and Ubuntu systems ) into a primary Windows environment (workstations… more
    General Dynamics Information Technology (09/23/25)
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  • Principal / Sr Principal

    Northrop Grumman (Dulles, VA)
    …and in collaborative team settings across all levels. This position can be filled as a Principal (level 3) or Sr Principal (level 4) depending on experience ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (09/30/25)
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  • Principal / Sr . Principal

    Northrop Grumman (Linthicum Heights, MD)
    …maintain a DoD Top Secret clearance with SCI **Basic Qualifications for** ** Sr .** ** Principal Embedded Operating System Software Developer:** + Bachelor's degree ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...with network topology + Experience developing in a hybrid Linux/ Windows environment + Experience as a member of an… more
    Northrop Grumman (08/13/25)
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  • Principal / Sr . Principal

    Northrop Grumman (Linthicum Heights, MD)
    …is in January 2026._** Northrop Grumman's Space Systems is looking for a ** Principal / Sr . Principal ** **Software Engineer** with the desire to learn ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...and maintain a DoD Top Secret clearance with SCI ** Sr . Principal ** **Software Engineer Basic Qualifications:** +… more
    Northrop Grumman (08/08/25)
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  • Principal / Sr . Principal

    Northrop Grumman (Annapolis Junction, MD)
    …Center (NGMC) (https://www.northropgrumman.com/what-we-do/mission-solutions/microelectronics) is seeking a ** Principal Application Software Engineer/ Senior ... may be filled as a** ** Principal Application Software Engineer or Senior Principal Application Software Engineer** **.** **This position is contingent upon… more
    Northrop Grumman (10/10/25)
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  • Sr . Principal Cyber Software…

    Northrop Grumman (Washington, DC)
    …fulfill this mission, Northrop Grumman Defense Systems sector is seeking a ** Sr . Principal Cyber Software Engineer** to join our team of qualified, diverse ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...but are not limited to:** + Perform as a Windows 2019/2022 System Administrator. + Manage and maintain security… more
    Northrop Grumman (10/04/25)
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  • Sr Principal Security Engineer…

    General Dynamics Information Technology (Washington, DC)
    …**Security** **Module** **(HSM)** Seize your opportunity to make a personal impact as a ** Senior Principal Security Engineer for HSM** with GDIT. A career in ... part in improving how agencies operate. At GDIT, people are our differentiator. As a ** Senior Principal Security Engineer for HSM** , you will help ensure today… more
    General Dynamics Information Technology (10/04/25)
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  • Principal / Sr . Principal

    Northrop Grumman (Linthicum Heights, MD)
    … or 3+ years with a Master's Degree or 0 years with PhD + ** Sr . Principal level Basic Qualifications** : Bachelor's degree in Computer Science, Computer ... in developing in C++ and/or Python + Experience developing in a Linux and/or Windows environment + Experience in testing systems and debugging + US Citizenship… more
    Northrop Grumman (10/03/25)
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  • Sr Principal Cyber Software Engineer…

    Northrop Grumman (Annapolis Junction, MD)
    …within Northrop Grumman. We are looking for you to join our team as a Sr Principal Cyber Software Test Engineer based out of Annapolis Junction, MD. **What ... Systems Engineering * Familiarity with CI/CD principles. * Experience with Windows /Linux operating systems & Virtual Machines (VMs). * Expert level… more
    Northrop Grumman (08/13/25)
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  • Sr . Principal NetApp Storage…

    Northrop Grumman (Linthicum Heights, MD)
    …Workstations ( Windows & Linux), Networking equipment, and NetApp storage systems . + Install, configure, and maintain NetApp operating systems ; ensuring ... be considered if candidate demonstrates sufficient understanding of enterprise storage systems ). + Experience maintaining Classified Windows Domains in effective… more
    Northrop Grumman (07/18/25)
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  • Principal / Senior Principal

    Northrop Grumman (Linthicum Heights, MD)
    …tools. This requisition may be filled as a Principal Modeling & Simulation Systems Engineer or a Senior Principal Modeling & Simulation Systems ... in developmental testing, planning, and execution of weapon tests. **Basic Qualifications for Senior Principal Modeling & Simulation Systems Engineer:** +… more
    Northrop Grumman (10/09/25)
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  • Principal Systems Engineer - Active…

    General Dynamics Information Technology (Washington, DC)
    …15 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Senior Principal Systems Engineer** Seize your opportunity to make ... None **Job Family:** IT Infrastructure and Operations **Skills:** Complex Systems ,Encryption,Hardware Security,Microsoft Windows Server, Systems Engineering...a personal impact as a Senior Principal Systems Engineer with… more
    General Dynamics Information Technology (08/09/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …us to get a preview of the full benefits package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer) to join our team ... design, implementation, documentation, and troubleshooting of the enterprise server environment. The Principal Systems Engineer must have the ability to manage… more
    Saliense Consulting (10/01/25)
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  • Information Systems Security Engineer…

    Amentum (Fort Meade, MD)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Principal Information Systems Security Engineer** to join our team of passionate ... the front and back end of new products and processes. **Responsibilities:** The ** Senior Information Systems Security Engineer (ISSE)** shall deliver and lead… more
    Amentum (10/01/25)
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  • Principal Network Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Network Engineer** in our **National Security Sector's (NSS) Cyber & Analytics ... with domain and expert technical knowledge. + Experience in interfacing with senior management and negotiating with clients on requirements and deliverables. +… more
    Leidos (08/02/25)
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  • Principal Professional Services Consultant

    Rocket Software (Washington, DC)
    …Professional Services Team is looking for a highly skilled Mainframe Modernization Senior Consultant to provide technical support and/or leadership in the creation ... Professional Services Team is looking for a highly skilled Mainframe Modernization Senior Consultant to provide technical support and/or leadership in the creation… more
    Rocket Software (10/10/25)
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  • Security Infrastructure Support Senior

    General Dynamics Information Technology (Bethesda, MD)
    …of related experience **US Citizenship Required:** Yes **Job Description:** ENGINEER SR PRINCIPAL GDIT is seeking a senior level Cyber Security Engineer, to ... NIST 800-92, OMB M-21-31, CDM). + Maintain and secure Windows /Linux servers, perform patching, vulnerability remediation, and manage network...systems . + 5+ years of experience at the Senior Engineer level or higher. + 3+ years of… more
    General Dynamics Information Technology (10/11/25)
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