• Senior Information System Security Officer…

    KBR (Chantilly, VA)
    …DISA Security Technical Implementation Guides (STIGs) and Security Requirements Guides (SRGs). + Provide Subject Matter Expert ( SME ) knowledge on matters ... engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. + Collaborative Environment: Be part of a...the future of space defense. KBR is seeking a Senior ISSO to be part of our… more
    KBR (10/15/25)
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  • SP28 Senior Information Systems Security…

    Amentum (Crane, IN)
    …with the stakeholders, including SSP representativ.es and contractors/subcontractors through assessments, subject matter expert input to proposals, technical ... is looking for a Sr. Information System Security Officer ( ISSO ) to support Program Offices within Department of Defense... is responsible for ensuring that the appropriate operational Cybersecurity posture is maintained for the systems under their… more
    Amentum (09/22/25)
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  • Senior Information Systems Security Officer…

    RTX Corporation (Tucson, AZ)
    …and company policies as applicable. You'll serve as subject matter experts ( SME ) on a broad range of Cybersecurity topics. You may represent the ... meaningful problems that create a safer, more secure world. Our cybersecurity team is seeking a ** Senior Information Systems Security Officer ( ISSO ) II** to… more
    RTX Corporation (11/25/25)
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  • Information System Security Officer( ISSO )

    Nightwing (Annapolis Junction, MD)
    …action plans. Expert Consultation: Serve as a subject matter expert on a broad range of cybersecurity topics, representing the cybersecurity ... we've got what you're looking for! We seek an ISSO to join our Cybersecurity team. As...Work closely with internal stakeholders, including IT, PMs, and senior leaders. **Required Skills and Qualifications** + TS/SCI with… more
    Nightwing (10/28/25)
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  • Cybersecurity Specialist 6

    M. C. Dean (Boston, MA)
    …status tracking. + Be the contract Subject Matter Expert ( SME ) all matters related to Cybersecurity and the Risk Management Framework (RMF), and ... and cybersecurity industries. We are seeking an ** Senior Cybersecurity Specialist** to join our **Security...and foster team excellence. + Actively collaborate with the ISSO to develop, maintain, and enhance cyber security controls.… more
    M. C. Dean (10/30/25)
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  • RMF Test & Evaluation SME (TS/SCI) (Hybrid)

    Koniag Government Services (Alexandria, VA)
    …Reciprocity, Cybersecurity Assessments). **Key Responsibilities:** + Serve as the SME for cybersecurity test & evaluation (T&E) activities associated with ... Lead or interface with assessment teams (including system owner, developer, cybersecurity engineering, test-eval, ISSM/ ISSO ) to execute security control… more
    Koniag Government Services (12/11/25)
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  • Information System Security Engineer - GRC/FedRAMP…

    Guidehouse (Suitland, MD)
    …and technical security controls for audited applications and information systems, subject matter expertise in developing security authorization packages using ... + Identify and collaborate stakeholders to obtain security authorization, including senior management, IT staff, security personnel such as the Authorizing Official,… more
    Guidehouse (10/24/25)
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  • Cybersecurity Spec Principal

    SAIC (Quantico, VA)
    …Risk Management Framework (RMF) procedures. **Duties:** + Interface with Project/Program Managers, Subject Matter Experts ( SME ) and Information System ... being performed in Quantico, VA. **Job Description:** The RMF Cybersecurity Analyst Senior will provide support for...support of RMF reporting and policy development. + Perform ISSO Type duties as defined in DoD 8510 &… more
    SAIC (12/11/25)
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  • Cleared Senior /Principal R&D Computer…

    Sandia National Laboratories (Albuquerque, NM)
    …with cross-functional teams to identify opportunities for innovation and improvement. + Act as a Subject Matter Expert ( SME ): Provide expert guidance ... be called on to: + Serve as the Information System Security Officer ( ISSO ): Develop and Implement comprehensive security plans that safeguard our infrastructure and… more
    Sandia National Laboratories (11/26/25)
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  • Information System Security Engineer (ISSE)…

    TekSynap (Huntsville, AL)
    …our Federal Government customers. The Information System Security Engineer (ISSE) is the Subject Matter Expert for identifying security risks and ... and ensure sustained compliance. + Serve as a principal technical advisor on cybersecurity , bringing subject - matter expertise to risk analysis, incident… more
    TekSynap (11/30/25)
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  • Information System Security Manager (ISSM)

    KBR (Alexandria, VA)
    …in Department of Defense (DoD) policy, and act as the Subject Matter Expert ( SME ) with the cybersecurity domain and lead ISSOs. The application will, ... of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. + Collaborative Environment: Be part of a dynamic team… more
    KBR (12/06/25)
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  • Navy Qualified Validator (NQV)

    UIC Government Services and the Bowhead Family of Companies (Corona, CA)
    …RMF packages for the NSWC Corona - Corona Division. * Serve as portfolio SME for the Portfolio Information Systems Security Manager (ISSM) in compliance reviews of ... systems. * Manage, track and delegate all cybersecurity actions for division. * Contribute to the development...reactivation can be obtained (Alternatively, equivalent experience as an ISSO will also be considered) * 10+ Years and… more
    UIC Government Services and the Bowhead Family of Companies (12/09/25)
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