• Markon (Chantilly, VA)
    Job Description Job Description Description Markon is hiring a Principal Cyber Software Engineer for our Virginia client out of Chantilly, VA. The ideal ... of the mission. Responsibilities Design, development, and deliver high-quality mobile software on the Android platform. Defend the architecture in rigorous reviews.… more
    ZipRecruiter (12/23/25)
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  • APOGEE RESEARCH LLC (Arlington, VA)
    Job Description Job Description Principal Software Engineer Apogee Research is at the forefront of a revolution in how the DoD operates: a turn towards ... than months to years. Apogee Research is looking for Principal Software Engineers to lead the creation...fronts from implementing novel algorithms across ISR, EW, Networking, Cyber , and more; integrating disparate systems that lack a… more
    ZipRecruiter (01/07/26)
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  • AeroVironment (Huntsville, AL)
    **Worker Type** Regular **Job Description** AV is seeking a highly skilled and experienced Principal Architecture Engineer to join our team. In this role, you ... : Understanding of hypersonic weapons' capabilities and limitations. + ** Software Proficiency** : Skilled in Microsoft Office Suite, particularly PowerPoint.… more
    DirectEmployers Association (12/31/25)
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  • AeroVironment (Annapolis Junction, MD)
    …assess analytic models tailored to mission-specific needs + Communicate principal conclusions clearly, using mathematics, statistics, and computer science methods ... Minimum 3+ years' relevant work experience. + Experience with software development working with Python in a Unix environment....missile systems. Founded in 1971 by celebrated physicist and engineer , Dr. Paul MacCready, we've been at the leading… more
    DirectEmployers Association (12/17/25)
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  • Principal Cyber Software

    Northrop Grumman (San Antonio, TX)
    …part of history, they're making history. Northrop Grumman Mission Systems (NGMS) is seeking a ** Principal Cyber Software Engineer ** to join our team of ... software engineering activities in San Antonio, TX. In this role, the Principal Cyber Software Engineer assesses and tests system cybersecurity… more
    Northrop Grumman (12/20/25)
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  • Sentinel Principal / Sr. Principal

    Northrop Grumman (Huntsville, AL)
    …making history. Northrop Grumman Defense Systems (NGDS) is seeking a ** Principal /Sr. Principal Cyber Software Engineer ** (T03/T04) to join our ... may offer a competitive relocation assistance package. **Basic Qualifications** : * Principal Cyber Software Engineer : Bachelor's degree with 5 years… more
    Northrop Grumman (01/07/26)
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  • Sentinel Principal / Sr. Principal

    Northrop Grumman (Huntsville, AL)
    …making history. Northrop Grumman Defense Systems (NGDS) is seeking a ** Principal /Sr. Principal Cyber Software Engineer (T03/T04)** to join our ... may offer a competitive relocation assistance package. **Basic Qualifications** : * Principal Cyber Software Engineer : Bachelor's degree with 5 years… more
    Northrop Grumman (01/07/26)
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  • Principal Cyber Software

    Northrop Grumman (Fort Meade, MD)
    …Sector within Northrop Grumman. We are looking for you to join our team as a ** Principal Cyber Software Engineer ** based out of Annapolis Junction, MD. ... global security environments, Northrop Grumman brings informed insights and software -secure technology to enable strategic planning. We're looking for innovators,… more
    Northrop Grumman (12/16/25)
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  • Principal Cyber Software

    Northrop Grumman (Tampa, FL)
    …the best work of your career. We are looking for you to join our team as a ** Principal Cyber Software Engineer ** based out of **Tampa, FL** . _Note: Due ... global security environments, Northrop Grumman brings informed insights and software -secure technology to enable strategic planning. We're looking for innovators… more
    Northrop Grumman (10/21/25)
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  • Sr. Principal Cyber Software

    Northrop Grumman (Chantilly, VA)
    …best work of your career. **Northrop Grumman Mission Systems** is seeking an experienced **Senior Principal Cyber Software Engineer ** to join our team ... located at a Mission Systems Sector site in Chantilly, VA. As a Senior Software Engineer on the Mobile Development team, you will be responsible for the design,… more
    Northrop Grumman (10/21/25)
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