• Principal /Sr. Principal

    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 ... shared mission, we'll support you with expanding your personal network and developing skills, whether you are new to...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 /Sr. Principal

    Northrop Grumman (Chantilly, VA)
    …to management in a timely manner and make recommendations **Basic Qualifications for a Principal Cyber Software Test Engineer :** + **Candidate must currently ... shared mission, we'll support you with expanding your personal network and developing skills, whether you are new to...prioritize bugs until resolution **Basic Qualifications for a Sr. Principal Cyber Software Test Engineer :**… more
    Northrop Grumman (11/01/25)
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  • Principal Cyber Security…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports ... infrastructures across classified and unclassified environments. You will work alongside cyber experts to develop solutions that enhance network compliance and… more
    ManTech (12/13/25)
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  • Senior Principal Cyber Security…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role ... **Responsibilities include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to… more
    ManTech (12/13/25)
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  • Sr. Principal Cyber Software…

    Northrop Grumman (Chantilly, VA)
    …work of your career. **Northrop Grumman Mission Systems** is seeking an experienced **Senior Principal Cyber Software Engineer ** to join our team supporting ... in our shared mission, we'll support expanding your personal network and developing skills, whether you are new to...Sector site in Chantilly, VA. As a Senior Software Engineer on the Mobile Development team, you will be… more
    Northrop Grumman (10/21/25)
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  • Sr Principal Cybersecurity Analyst/…

    Northrop Grumman (Chantilly, VA)
    …join our diverse team of engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The ... our shared mission, we'll support you expanding your personal network and developing skills, whether you are new to...limited to Standard Operating Procedures and VISIO diagrams. **Senior Principal Cyber Systems Engineer Basic… more
    Northrop Grumman (10/02/25)
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  • Principal Network Engineer

    Leidos (Mclean, VA)
    …has a new and exciting opportunity for a ** Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (10/10/25)
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  • AI Cybersecurity Engineer Principal

    General Dynamics Information Technology (Fairfax, VA)
    …career while impacting our national security in cyber as an **AI Cybersecurity Engineer Principal ** at GDIT. Here, technologists have many paths to grow a ... to Obtain:** None **Public Trust/Other Required:** None **Job Family:** Cyber and IT Risk Management **Skills:** Cybersecurity,Information Security,Information Technology… more
    General Dynamics Information Technology (12/17/25)
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  • Systems Engineer Principal

    General Dynamics Information Technology (Langley AFB, VA)
    …related experience **US Citizenship Required:** Yes **Job Description:** As an AF DCGS Principal Systems Engineer , you will perform analysis on technical and ... (C4ISR) architectures, implementation strategies, engineering, and technical reports. **HOW A PRINCIPAL SYSTEMS ENGINEER WILL MAKE AN IMPACT:** + Advise… more
    General Dynamics Information Technology (12/06/25)
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  • Unified Communications Engineer

    Amentum (Warrenton, VA)
    …, Security, & Intel space? If so, look no further. Amentum is seeking a Principal Unified Communications Engineer to join our team of passionate individuals in ... for transformative change. **Responsibilities:** The duties and responsibilities of the Principal Unified Communications Engineer include, but are not limited… more
    Amentum (12/11/25)
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