• Windows / Principal Windows

    Northrop Grumman (Annapolis Junction, MD)
    …of your career. Northrop Grumman Mission Systems is seeking an experienced Windows Systems Administrator to join its Classified Solutions team in Annapolis ... workstations along with associated networks. + Install, harden, and patch Windows operating systems . + Configure, deploy, and harden thick, thin, and zero client… more
    Northrop Grumman (05/30/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Annapolis Junction, MD)
    …career. Northrop Grumman Mission Systems is seeking a highly experienced Windows Systems Administrator to join its Classified Solutions team in Annapolis ... but not be limited to the following: + Perform as primary Windows Systems Administrator for a large, classified government contract(s). + Maintain efficient… more
    Northrop Grumman (05/29/25)
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  • Sr Principal Systems Engineer…

    General Dynamics Information Technology (Washington, DC)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer - Linux** Design, deploy, integrate and ... maintain Linux technologies to advance the mission as a **SENIOR PRINCIPAL SYSTEMS ENGINEER** with GDIT. Your work in the integration of Linux resources into a… more
    General Dynamics Information Technology (05/01/25)
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  • Sr Principal Systems Engineer…

    General Dynamics Information Technology (Washington, DC)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** **Sr Principal Systems Engineer - Active Directory - Active Top Secret ... Required** Seize your opportunity to make a personal impact as a **Sr** ** Principal Systems Engineer** **- ACTIVE DIRECTORY** with GDIT. A career in systems more
    General Dynamics Information Technology (06/06/25)
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  • Principal Linux Systems

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & ... and more. Your role will involve configuring and managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity, and enhancing… more
    Leidos (05/13/25)
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  • Principal Systems Administrator

    ManTech (Arlington, VA)
    ManTech seeks a motivated, career and customer-oriented ** Principal Systems Administrator** to join our team in **Pentagon, VA.** The position is **onsite.** ... ability to obtain within 6 months of hire + Knowledge of Microsoft Windows Systems , HP SANs, VMware products + Experience using a Service Desk ticketing system,… more
    ManTech (05/24/25)
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  • Principal Systems Engineer

    Leidos (Fort Meade, MD)
    …us and make a difference in National** **Security!** **Job Summary** As a Principal Systems Engineer, you will be responsible for designing, implementing, and ... **Leidos** has a new and exciting opportunity for a Principal System Engineer in our **National Security Sector's (NSS)...maintaining enterprise-level systems that support mission-critical operations. You will work with… more
    Leidos (06/10/25)
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  • Sr Principal Systems Engineer…

    General Dynamics Information Technology (Washington, DC)
    …**US Citizenship Required:** Yes **Job Description:** **Job Description Summary:** **Senior Principal Systems Engineer** Seize your opportunity to make a ... (T5) **Job Family:** Systems Engineering **Skills:** Complex Systems ,Encryption,Hardware Security,Microsoft Windows Server, Systems Engineering...personal impact as a Senior Principal Systems Engineer with GDIT. A career… more
    General Dynamics Information Technology (06/05/25)
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  • Sr Principal Systems Engineer…

    General Dynamics Information Technology (Washington, DC)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret ... Required** Seize your opportunity to make a personal impact as a **Senior** ** Principal Systems Engineer for Exchange Messaging** with GDIT. We're seeking a… more
    General Dynamics Information Technology (04/07/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …design, implementation, documentation, and troubleshooting of the enterprise server environment. The Principal Systems Engineer must have the ability to manage ... of the full benefits package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer) to join our team in support of our… more
    Saliense Consulting (05/03/25)
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  • Sr. Principal VMware Systems

    Northrop Grumman (Annapolis Junction, MD)
    …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 (04/08/25)
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  • Principal System Administrator

    DCCA (Annapolis Junction, MD)
    Principal System Administrator Location Annapolis Junction, MD Job Code 2270 # of Openings 1 Apply Now ... a competitive compensation and benefits package. Visit our website at: www.dcca.com Principal System Administrator Candidate must have an active TS/SCI w/Poly For… more
    DCCA (05/19/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …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 (05/21/25)
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  • Sr. Principal Software Engineer

    BAE Systems (Rockville, MD)
    …your skills and grow in your career. We are looking for a **Senior Principal Software Engineer** to add their skills to our team supporting rapid prototyping ... for system evaluation and mission effectiveness in real-time and faster-than-real-time systems + Perform capability analyses of COTS, GOTS and other potential… more
    BAE Systems (06/11/25)
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  • Principal Architect - LINUX - Active Top…

    General Dynamics Information Technology (Washington, DC)
    …and designs so they integrate seamlessly with the current Linux and Windows environment. + Enterprise Authorization: Integrate Linux Systems (currently, RHEL ... 7/8 and Ubuntu systems ) into a primary Windows environment (workstations & servers) where authentication, authorization, and accounting actives are controlled by… more
    General Dynamics Information Technology (06/13/25)
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  • System Engineer, Principal

    Amentum (Fort Meade, MD)
    …of new products and processes. **Responsibilities:** The duties and responsibilities of the Systems Engineer, Principal include, but are not limited to, the ... and Cyber Division is assembling a team of network engineers, systems engineers, Unified Communications Engineers, and Integration Engineers, change management… more
    Amentum (06/11/25)
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  • Principal Professional Services Engineer…

    Rocket Software (Annapolis, MD)
    …or Unidata is a plus. + Excellent working knowledge of underlying operating systems ( Windows /Linux/AIX) + Scripting experience in Windows /Linux/AIX + ... truly BELIEVE in what they're doing!** **Job Description Summary:** The Principal Professional Services Engineer brings creativity, curiosity and passion to the… more
    Rocket Software (06/06/25)
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  • Sr. Principal MS Exchange Administrator

    Northrop Grumman (Annapolis Junction, MD)
    …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 (05/29/25)
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  • Sr Principal Cyber Software Test Engineer…

    Northrop Grumman (Annapolis Junction, MD)
    Systems Engineering * Familiarity with CI/CD principles. * Experience with Windows /Linux operating systems & Virtual Machines (VMs). * Expert level ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...for you to join our team as a Sr Principal Cyber Software Test Engineer based out of Annapolis… more
    Northrop Grumman (04/10/25)
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  • Senior Principal , Data Platforms

    Mastercard (Arlington, VA)
    …and governments realize their greatest potential._ **Title and Summary** Senior Principal , Data Platforms Who is Mastercard? Mastercard is a global technology ... for all. Overview The Mastercard Services Technology team is looking for Senior Principal of Data Platforms & Engineering, to drive our mission to unlock potential… more
    Mastercard (06/14/25)
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