• Sr Principal Cybersecurity

    Northrop Grumman (Melbourne, FL)
    …Northrop Grumman Classified Solutions team is seeking experienced ** Senior Cybersecurity Application Administrator/Architect** across the country to support ... do some of the best work of your career. ** Cybersecurity Professionals, We Want You!** Cyber assets everywhere are...demands nothing less. If you are an expert with classified computers within the Department of Defense (DoD) and… more
    Northrop Grumman (01/07/26)
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  • Principal / Sr . Principal

    Northrop Grumman (Bethpage, NY)
    …of your career. Northrop Grumman Mission Systems is seeking a Principal Cybersecurity Analyst to join its Classified Solutions team in Bethpage, NY. Please ... note that due to the classified nature of this position, the selected candidate will...The ideal candidate will have a Bachelor's degree in Cybersecurity and 3+ years of Risk Management Framework experience.… more
    Northrop Grumman (01/13/26)
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  • Principal / Sr . Principal

    Northrop Grumman (Baltimore, MD)
    …of your career. Northrop Grumman Mission Systems is seeking a senior Cybersecurity Analyst to join its Classified Solutions team in Linthicum, MD. Please ... Qualifications:** + 10 years of experience with Certification and Accreditation of classified systems and Risk Management Framework. + Knowledge of ACAS, NESSUS,… more
    Northrop Grumman (01/13/26)
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  • Sr . Principal Storage & Data…

    RTX Corporation (Tucson, AZ)
    …and create end-of-end solutions to solve complex DT infrastructure problems. As a ** Senior Principal level System Administrator,** this role will require a ... team solves tough, meaningful problems that create a safer, more secure world. ** Sr . Principal Storage & Data Protection System Administrators** collaborate with… more
    RTX Corporation (12/05/25)
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  • Senior / Principal

    Sandia National Laboratories (Albuquerque, NM)
    …have strong interpersonal skills to support lab-wide efforts focusing on the cybersecurity of embedded hardware systems, such as flight vehicles, rocket systems, ... automotive semi-trailer trucks, cellular mobile devices, and weapon systems! This cybersecurity R&D staff member will perform research, capability development, and… more
    Sandia National Laboratories (01/10/26)
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  • Cybersecurity Analyst - ISSO Support…

    COLSA Corporation (San Miguel, CA)
    General Summary: The Local Defender serves as a critical cybersecurity role that combines ISSO responsibilities with traditional Security Operations Center (SOC) and ... Threat Analyst functions. The position is pivotal in maintaining the cybersecurity posture of systems under its purview by supporting system authorization,… more
    COLSA Corporation (01/07/26)
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  • Cybersecurity Specialist-Advanced/IAT III

    COLSA Corporation (Colorado Springs, CO)
    …requirements within the Enterprise Mission Assurance Support Service + Advises senior leadership of cybersecurity challenges, issues, and opportunities for ... temporary position with employment expected to last approximately 10 months. Principal Duties and Responsibilities (*Essential Functions): + Applies knowledge of… more
    COLSA Corporation (12/04/25)
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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 ... supports enterprise-wide cybersecurity operations by providing advanced engineering and technical expertise across Comply-to-Connect (C2C) solutions in both … more
    ManTech (12/13/25)
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  • Principal , Sector Cyber Intel Lead - Level…

    L3Harris (Palm Bay, FL)
    …systems. This position will also collaborate closely with the SAS Segment Cyber Senior Principal to advance sector-wide cyber initiatives. In this role, you ... domains in the interest of national security. Job Title: Principal , Sector Cyber Intelligence Lead Job Code: 32191 Job...will be responsible for identifying, analyzing, and mitigating cybersecurity threats, as well as ensuring compliance for all… more
    L3Harris (01/10/26)
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  • Senior Principal Systems Engineering…

    RTX Corporation (Richardson, TX)
    …+ Travel occasionally to support program requirements + Requires on-site presence in a classified lab space. **What YOU Will Learn:** + You will learn the Collins ... efforts human factors, system safety, reliability & maintainability, and cybersecurity . Project Management, Control Account Management (CAM), and earned value… more
    RTX Corporation (11/26/25)
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  • Information Systems Security Engineer…

    Amentum (Fort Meade, MD)
    …& Intel space? If so, look no further. Amentum is seeking a ** Principal Information Systems Security Engineer** to join our team of passionate individuals in ... and back end of new products and processes. **Responsibilities:** The ** Senior Information Systems Security Engineer (ISSE)** shall deliver and lead threat-informed… more
    Amentum (10/23/25)
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  • UC Engineer - Principal

    Amentum (Fort Meade, MD)
    …and processes. **Responsibilities:** The duties and responsibilities of the UC Engineer Principal include, but are not limited to, the following: * Responsible for ... developing a secure, scalable, and resilient UC prototype tailored for DoD use on classified networks * Serve as a technical point of contact for all UC design… more
    Amentum (12/09/25)
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  • Principal Vulnerability…

    Nightwing (Indialantic, FL)
    …citizens and be able to obtain and maintain a government security clearance. As a Senior Principal Cyber Engineer at Nightwing CODEX, you will take on a hybrid ... complex problems, and deliver exceptional results for our clients. About Cybersecurity , Intelligence and Services The Cybersecurity , Intelligence and Services… more
    Nightwing (12/22/25)
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  • Principal AI Engineer

    Integration Innovation, Inc. (i3) (Huntsville, AL)
    Overview i3 is seeking a Principal AI Engineer to lead the design, development, and deployment of AI-driven security and data solutions for defense and intelligence ... with strategic leadership to advance i3's AI capabilities across cybersecurity threat detection, supply chain risk management, and mission-critical analytics… more
    Integration Innovation, Inc. (i3) (01/06/26)
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  • Principal Technical Recruiter - Cleared…

    M. C. Dean (Vienna, VA)
    …building the next generation of technical leaders in electrical, engineering, and cybersecurity industries. The Senior Technical Recruiter will lead full ... + Background recruiting for secure compounds, military installations, or classified technical programs abroad. + Experience mentoring junior recruiters or… more
    M. C. Dean (12/09/25)
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  • Information System Security Engineer (ISSE)…

    TekSynap (Huntsville, AL)
    …adjust security strategies and ensure sustained compliance. + Serve as a principal technical advisor on cybersecurity , bringing subject-matter expertise to risk ... Qualifications** + **Frameworks & Tools** + Experience with **Joint Cybersecurity Authorization Management (JCAM)** and/or **Xacta** . + **Certifications** +… more
    TekSynap (12/24/25)
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  • Information System Security Engineer (ISSE)…

    TekSynap (Huntsville, AL)
    …adjust security strategies and ensure sustained compliance. + Serve as a principal technical advisor on cybersecurity , bringing subject-matter expertise to risk ... system categorization efforts to ensure all information systems are appropriately classified based on mission/business impact and regulatory requirements. + Direct… more
    TekSynap (11/30/25)
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  • Cyber Systems Engineer 4- Int Spec (25-572)

    Northrop Grumman (Colorado Springs, CO)
    …Grumman Space Systems-Missile Defense Integration offers an excellent opportunity for a Sr Principal Cyber Systems Engineer - Cyber Tools Integration Specialist ... Specialist** , you will be responsible for integrating and maintaining essential cybersecurity tools and ensuring they work well within the overall system… more
    Northrop Grumman (12/05/25)
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  • Technical Fellow - Research

    RTX Corporation (Cambridge, MA)
    …deliver customer solutions. + Current DOD Secret clearance and 5+ years working on classified programs. + Industry recognition , in the form of awards, patents, ... in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity . The company, formed in 2020 through the combination of Raytheon… more
    RTX Corporation (10/22/25)
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