• Principal Mission / Systems

    RTX Corporation (Annapolis Junction, MD)
    …hiring manager discretion.** Applied Signal Technology (AST) is seeking a ** Principal ** ** Mission / Systems Engineer ** who strives for excellence and ... stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most… more
    RTX Corporation (10/23/25)
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  • LINUX Sr Principal Systems

    General Dynamics Information Technology (Washington, DC)
    …integrate and maintain Linux technologies to advance the mission as a **SENIOR PRINCIPAL SYSTEMS ENGINEER ** with GDIT. Your work in the integration of ... of related experience **US Citizenship Required:** Yes **Job Description:** Job Description **Senior Principal Systems Engineer - Linux** Design, deploy,… more
    General Dynamics Information Technology (09/23/25)
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  • Principal /Sr. Principal Cyber…

    Northrop Grumman (Fairfax, VA)
    …of the best work of your career. We are looking for you to join our team as a Principal Cyber Systems Engineer or Sr. Principal Cyber Systems ... they're making history. Join Northrop Grumman on our continued mission to push the boundaries of possible across land,...contractors/offices. This requisition may be filled at either a Principal Cyber Systems Engineer or… more
    Northrop Grumman (08/22/25)
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  • Systems Test Engineer

    Northrop Grumman (Chantilly, VA)
    Mission Systems ** is seeking a candidate to fill a ** Systems Test Engineer / Principal Systems Test Engineer ** position. This position will be ... they're making history. Join Northrop Grumman on our continued mission to push the boundaries of possible across land,...kits. This requisition may be filled at either the ** Systems ** **Test Engineer ** or ** Principal **… more
    Northrop Grumman (10/23/25)
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  • Principal Systems Engineer

    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 a ... personal impact as a Senior Principal Systems Engineer with GDIT....them into consumable tasks for System Engineers + Ensure mission critical applications are highly available under adverse conditions… more
    General Dynamics Information Technology (08/09/25)
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  • Principal /Sr Principal

    Northrop Grumman (Annapolis Junction, MD)
    …new energy-efficient computing systems . MDA is seeking a ** Principal /Sr Principal Software Systems Engineer ** with demonstrated ability to lead ... other MDA efforts into products that solve critical customer mission needs. + Drive the development and integration plan...in Linthicum / Annapolis Junction, MD.** **Basic Qualifications For Principal Engineer Software Systems (Software… more
    Northrop Grumman (08/08/25)
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  • Sr Principal Engineer Mission

    Northrop Grumman (Chantilly, VA)
    …materials that do not meet required standards and specifications **Basic Qualifications Sr Principal Engineer Mission Assurance:** + Bachelor's degree in a ... Mission Systems (NGMS) is seeking a ** Mission Assurance Engineer 4** located in our...AS9100 Quality Management System certification process. **Preferred Qualifications Sr Principal Engineer Mission Assurance:** +… more
    Northrop Grumman (09/30/25)
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  • Principal Network Systems

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

    Northrop Grumman (Elkridge, MD)
    …will be an on-site position located in Elkridge, MD. This requisition may be filled as a Principal Systems Engineer or a Senior Principal Systems ... Secret clearance prior to start.** **Basic Qualifications for a Principal Systems Engineer :** + Bachelor's...and implementation As a full-time employee of Northrop Grumman Mission Systems , you are eligible for our… more
    Northrop Grumman (09/19/25)
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  • Principal Systems Engineer

    Northrop Grumman (Dulles, VA)
    …practices including identification, mitigation and realization _This requisition may be filled at either a Principal Systems Engineer or a Sr. Principal ... Engineer level based on the qualifications listed below:_ **Basic Qualifications:** Principal Systems Engineer + Active DoD Top Secret Clearance at… more
    Northrop Grumman (08/31/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Dulles, VA)
    …Northrop Grumman Space Systems Sector seeks a qualified Principal or Senior Principal Systems Engineer for the role of Ground Segment Systems ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...and mission partners **\#NOVASPACE** **Basic Qualifications:** + ** Principal Engineer Level (T3)** - BS in… more
    Northrop Grumman (10/17/25)
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  • Principal Endpoint Security Systems

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity a ** Principal Endpoint Security Systems Engineer ** in our **National Security Sector's (NSS) ... Description** This effort is seeking an experienced endpoint security systems engineer to join our Cyber Security... will support integration of Linux and Windows hosted mission systems with the endpoint security product… more
    Leidos (08/29/25)
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  • Principal Systems Engineer

    QinetiQ US (Mclean, VA)
    …your professional and personal lives. Position Overview We are seeking an experienced and dynamic Principal Systems Engineer . We are seeking a Systems ... Engineer (Multi-disciplined, preferred ISR). The Principal Systems Engineer will be responsible for designing, integrating, testing, and supporting… more
    QinetiQ US (10/16/25)
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  • Principal Systems Engineer

    Shuvel Digital (Dulles, VA)
    Job Title: Principal Systems Engineer Location: Dulles, VA - Hybrid Duration: Contract Clearance: Active Secret. Must be able to obtain DHS Suitability. Must ... Description: Supporting a US Government customer on a large mission critical development and sustainment program to design, build,...capabilities to address emerging threats. We are seeking a Principal Systems Engineer to assess,… more
    Shuvel Digital (09/25/25)
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  • Information Systems Security…

    Amentum (Fort Meade, MD)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Principal Information Systems Security Engineer ** to join our team of ... a direct impact on the Nation's security and intelligence mission . In support of the Defense Information Systems...* 15 years of experience as a Cyber Security Engineer or Systems Engineer *… more
    Amentum (10/23/25)
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  • Principal Systems Engineer

    Leidos (Fort Meade, MD)
    …**Join us and make a difference in National** **Security!** **Job Summary** As a Principal Systems Engineer , you will be responsible for designing, ... **Leidos** has a new and exciting opportunity for a Principal System Engineer in our **National Security...implementing, and maintaining enterprise-level systems that support mission -critical operations. You will… more
    Leidos (09/09/25)
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  • Principal Systems Engineer

    RTX Corporation (Fulton, MD)
    …including a mix of domestic and international pursuits and programs. **We are seeking a Principal Systems Engineer to work onsite** **in Fulton, MD.** **U.S. ... position, you will serve as a technical lead and systems engineer on challenging software development projects...the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and… more
    RTX Corporation (10/16/25)
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  • Principal Elasticsearch Systems

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** **Elasticsearch Systems Engineer ** in our **National Security Sector's ... more. **Join us and make a difference in National Security!** **Job Summary** The Principal Elasticsearch Systems Engineer role provides support across an… more
    Leidos (08/01/25)
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  • Principal /Sr Principal

    Northrop Grumman (Dulles, VA)
    …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... history. We have an opening for an Embedded Software Engineer to join our team of qualified, diverse individuals...our team of qualified, diverse individuals in the Space Systems organization developing space flight software platforms for NSS… more
    Northrop Grumman (09/30/25)
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  • CCSS Principal Systems

    RTX Corporation (Washington, DC)
    …a safer, more secure world. Raytheon Field Engineering is anticipating an opportunity for a ** Principal Systems Engineer ** . This role is suited for a ... renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team...involves supporting the WHCA Secure Voice Network (WHSVN) C2 systems and acquisition projects. These efforts are in support… more
    RTX Corporation (09/19/25)
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