• 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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  • Principal /Sr Principal

    Northrop Grumman (Jessup, 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...Junction, MD.** _This position can be filled as a Principal Engineer Software Systems or… more
    Northrop Grumman (12/05/25)
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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 (11/21/25)
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  • Principal Systems Engineer

    V2X (Suitland, MD)
    …team in direct support of business and mission -focused needs. Responsibilities + The Principal Systems Engineer shall drive the A&E team and directly ... base to battlefield. We bring 120 years of successful mission support to improve security, streamline logistics, and enhance...integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active… more
    V2X (11/15/25)
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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 (11/08/25)
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  • Principal /Sr Principal HPC…

    Northrop Grumman (Jessup, MD)
    …either a Principal Level or a Sr. Principal Level. **Basic qualifications: Principal Systems Engineer ** + A degree in a STEM area (Science, ... only part of history, they're making history. Northrop Grumman Mission Systems is a trusted provider of...Government security clearance per customers requirements_ **Basic qualifications: Sr. Principal Systems Engineer ** + Bachelor's… more
    Northrop Grumman (12/05/25)
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  • Senior Principal Systems

    General Dynamics Information Technology (Washington, DC)
    …8 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Principal Systems Engineer - Messaging - Active Top Secret ... your opportunity to make a personal impact as a ** Principal Systems Engineer - Messaging**...and professional services company that delivers consulting, technology and mission services to every major agency across the US… more
    General Dynamics Information Technology (12/10/25)
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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 (12/05/25)
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  • Senior Principal Supplier Management…

    Northrop Grumman (Jessup, MD)
    …(https://www.northropgrumman.com/what-we-do/ mission -solutions/microelectronics) is seeking a **Senior Principal Supplier Management Systems Engineer ... Government security clearance per customers' requirements.** **Basic Qualifications for** **Senior Principal Supplier Management Systems Engineer ** **:** *… more
    Northrop Grumman (12/13/25)
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  • Principal Verification and Validation…

    BAE Systems (Rockville, MD)
    …+ Develop technical documentation, data, presentations, and white paper submissions for Lead Systems Engineer and chief engineers for approval + Engage with ... **Job Description** BAE Systems is seeking a full-time Principal ...have excellent written and verbal communication skills. As a Principal Verification and Validation Engineer , your responsibilities… more
    BAE Systems (11/11/25)
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  • Principal / Sr Principal Vehicle…

    Northrop Grumman (Dulles, VA)
    …making history. Northrop Grumman Space Systems Sector seeks a qualified Vehicle Engineer to support a critical space mission . Vehicle Engineer ... processing will be coordinated through program Security. **Basic Qualifications** **:** + ** Principal Engineer ** - Bachelor's degree or higher in Aerospace… more
    Northrop Grumman (10/31/25)
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  • Principal Systems Engineer

    GliaCell Technologies (Columbia, MD)
    …do not apply if you currently do not possess this level of clearance. Are you a Principal Systems Engineer who is ready for a new challenge that will launch ... amazingly talented people Job Description: GliaCell is seeking a Principal Systems Engineer on one...to provide technical expertise that assists in sustaining critical mission -related software and systems to a large… more
    GliaCell Technologies (12/03/25)
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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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  • Command, Control, Communications, and Battle…

    Chenega Corporation (Fort Belvoir, VA)
    Command, Control, Communications, and Battle Management (C3BM) Principal Systems Engineer Ft. Belvoir, VA Join our Talent Network Command, Control, ... Communications, and Battle Management (C3BM) Principal Systems Engineer Ft. Belvoir,...+ Working knowledge of missile defense system components and mission . + Familiarity with DOD and MDA processes and… more
    Chenega Corporation (12/14/25)
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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 (11/28/25)
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  • Space Principal /Sr. Principal

    Northrop Grumman (Mclean, VA)
    …Write status and technical performance reviews, analyses and reports **Basic Qualifications:** + ** Principal Systems Engineer ** - Bachelors of Science degree ... utilization. The candidate must be deeply knowledgeable in aerospace systems , spacecraft subsystems design, or mission operations....3+ years of experience; or a PhD + **Sr. Principal Systems Engineer ** - Bachelors… more
    Northrop Grumman (11/13/25)
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  • Principal Network Systems

    RTX Corporation (Dulles, VA)
    …Managed by Collins Aerospace **Applied Signal Technology (AST)** is seeking a ** Principal Networking Systems Engineer ** specializing in infrastructure design ... below: Applied Signal Technology: WHO WE ARE (https://www.collinsaerospace.com/what-we-do/industries/military-and-defense/communications/applied-signal-technology) The ** Principal Networking Systems Engineer ** must… more
    RTX Corporation (12/02/25)
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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

    RTX Corporation (Fulton, MD)
    …Solipsys is a wholly owned subsidiary of Collins Aerospace/RTX and is currently seeking a Principal Systems Engineer to join our team in Fulton, MD who ... **What You Will Do** + Serve as an Onsite Systems Engineer and Command and Control (C2)...the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and… more
    RTX Corporation (11/19/25)
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