• Sr Principal Classified

    Northrop Grumman (Dulles, VA)
    …support, and team to do some of the best work of your career. ** Cybersecurity Professionals, We Want You!** Cyber assets everywhere are under siege from a wide ... At Northrop Grumman, we take a holistic approach to cybersecurity , looking at the whole cyber landscape of people,...demands nothing less. If you are an expert with classified computers within the Department of Defense (DoD) and… more
    Northrop Grumman (10/01/25)
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  • Sr Principal Cybersecurity

    Northrop Grumman (Huntsville, AL)
    …only part of history, they're making history. **Northrop Grumman is seeking a Sr Principal Cybersecurity Analyst** **.** **Roles and responsibilities:** + ... Provide security oversight to NG classified environments that have information system(s). + Conduct system assessments and audits to ensure controls are implemented… more
    Northrop Grumman (09/22/25)
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  • Sr . Principal AIX or Linux System…

    RTX Corporation (Tewksbury, MA)
    …secure the integrity of our systems and support IT infrastructures around the world. ** Sr . Principal System Administrators,** internally known as Sr . ... Services, collaborate with many teams to support exciting, critical programs with classified information system capabilities. Success in this role means you can… more
    RTX Corporation (10/02/25)
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  • Sr . Principal Linux System…

    RTX Corporation (Tucson, AZ)
    …the integrity of our systems and support IT infrastructures around the world. ** Sr . Principal Linux System Administrators (SME),** internally known as ... Services, collaborate with many teams to support exciting, critical programs with classified information system capabilities. Success in this role means you can… more
    RTX Corporation (10/02/25)
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  • Sr . Principal Storage & Data…

    RTX Corporation (Woburn, MA)
    …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 (08/29/25)
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  • Sr . Principal System Administrator

    RTX Corporation (Plano, TX)
    …Our team solves tough, meaningful problems that create a safer, more secure world. ** Sr . Principal System Administrators** , internally known as Principal ... Services, collaborate with many teams to support exciting, critical programs with classified information system capabilities. Success in this role means you are able… more
    RTX Corporation (09/09/25)
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  • Sr . Principal NetApp Storage…

    Northrop Grumman (Linthicum Heights, MD)
    …Grumman's Chief Information & Digital Office (CIDO) organization is seeking a senior NetApp Storage Administrator with expertise in NetApp storage management to join ... its Classified Solutions team in Linthicum, MD. The selected candidate...technologies related to storage solutions. + Function as a senior technical resource for the rest of the System… more
    Northrop Grumman (07/18/25)
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  • Cleared Senior / Principal

    Sandia National Laboratories (Albuquerque, NM)
    …Your Job Will Be Like: We are seeking an experienced cybersecurity /cryptography professional that is passionate about operationally-oriented research and development ... National Security Program (NSP). To support Sandia's national security missions, our cybersecurity scientists and engineers engage in a variety of research areas… more
    Sandia National Laboratories (09/14/25)
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  • Sr Principal HPC Linux Systems…

    Northrop Grumman (Redondo Beach, CA)
    …your career. **Information Technology Professionals, We Want You!** The Northrop Grumman Classified Solutions team is seeking a senior **Linux Systems ... team in Redondo Beach, CA. Note: Due to the classified nature of the work being performed, this position...Security and follow its guideline to design and implement cybersecurity solutions + Experience with job schedulers, such as… more
    Northrop Grumman (09/11/25)
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  • Sr ./Pr. Program Cyber Systems Engineer…

    Northrop Grumman (Dulles, VA)
    …impossible. Our employees are not only part of history, they're making history. This Principal (or Senior Principal ) Cyber Systems Engineer position is for ... Systems Security Engineer (ISSE) for a Space System where the ISSE provides cybersecurity subject matter expertise for a complex, mission system boundary. The ISSE's… more
    Northrop Grumman (10/01/25)
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  • Cybersecurity Analyst Careers

    Northrop Grumman (Beale AFB, CA)
    …monitoring and vulnerability scanning activities and RMF. ​ ** Sr . Principal ** ** Cybersecurity Analyst:** + Senior Information Systems Security ... DoD 8570 IAM Level II Certification (ie CAP, CISSP) on 1st day of employment. ** Sr . Principal ** ** Cybersecurity Analyst** + Associate's degree and 11 years… more
    Northrop Grumman (09/14/25)
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  • Principal / Senior Principal

    Northrop Grumman (Roy, UT)
    …may offer a competitive relocation assistance package._** This role may be hired at the Principal or Senior Principal level, depending on how many years of ... and Responsibilities Include:_ + Provide security oversight to NG classified environments that have information system(s). + Conduct system...with Masters; 1 Year of related experience. with PhD ** Sr Principal Systems Analyst** * 8 Years… more
    Northrop Grumman (09/18/25)
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  • Local Defender - Cybersecurity (ISSO…

    COLSA Corporation (Kingsport, TN)
    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 (09/13/25)
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  • Senior / Principal Computer Systems…

    Northrop Grumman (Manhattan Beach, CA)
    …**We are seeking either a Principal Computer Systems Architect or a Senior Principal Computer Systems Architect to join the Protected Tactical SatCom - ... additional 4 years of experience may be considered in lieu of degree + ** Senior Principal Computer Systems Architect:** 8 years of relevant experience with… more
    Northrop Grumman (09/26/25)
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  • Senior Principal Cyber Engineer…

    RTX Corporation (Cambridge, MA)
    …is to join **RTX BBN Technologies:** RTX BBN Technologies is looking for a ** Senior Principal Cyber Engineer** that is a recognized researcher and has experience ... in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity . The company, formed in 2020 through the combination of Raytheon… more
    RTX Corporation (08/08/25)
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  • Local Defender - Cybersecurity (SOC Analyst…

    COLSA Corporation (Kingsport, TN)
    General Summary: The Local Defender is a critical cybersecurity role responsible for protecting the organization's digital assets through proactive monitoring, ... and actioned to support the Government customer and mission requirements. Principal Duties and Responsibilities (Essential functions): + Monitor and analyze security… more
    COLSA Corporation (09/13/25)
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  • IT/OT Cybersecurity Analyst

    COLSA Corporation (Southport, NC)
    …Teams (CPTs) and Black Start Exercises (BSEs), and present findings to senior leadership in a clear, actionable format, while performing all traditional duties ... of an ISSO. Principal Duties and Responsibilities: + Consult with system owners...Integrity, and Availability (CIA) and coordinate approval. + Integrate cybersecurity and IT initiatives into systems, ensuring compliance with… more
    COLSA Corporation (08/21/25)
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  • Cybersecurity Specialist-IAT…

    COLSA Corporation (Huntsville, AL)
    Principal Duties and Responsibilities (*Essential Functions): + Identify and assess cybersecurity vulnerabilities through the use of automated scanning tools and ... standards. + Develop and deliver high-quality executive-level briefing materials for senior leadership and stakeholders. + Utilize research tools and open-source… more
    COLSA Corporation (10/03/25)
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  • Cybersecurity Analyst-IAM II-(Intermediate)

    COLSA Corporation (Colorado Springs, CO)
    Principal Duties and Responsibilities (*Essential Functions): + Analyze customer requirements to develop project schedules, establish milestone targets, and ensure ... + Develop and deliver executive-level briefings and presentations, tailored for senior leadership and stakeholders. + Utilize online research and analytical tools… more
    COLSA Corporation (09/13/25)
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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 (10/01/25)
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