• 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 (01/02/26)
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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 (12/21/25)
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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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  • 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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  • 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 (12/24/25)
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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 (Bethesda, MD)
    …Intelligence Community (IC) policy, and act as the Subject Matter Expert ( SME ) with the cybersecurity domain and lead ISSOs. Responsibilities ... of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. + Collaborative Environment: Be part of a dynamic team… more
    KBR (12/13/25)
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  • Information Systems Security Manager

    Leidos (St. Petersburg, FL)
    …accreditation throughout the system lifecycle. In this role, you will serve as the Subject Matter Expert ( SME ) within the Information Assurance ... **DoD Secret clearance** is required for consideration. * Bachelor's degree in an IT-related subject matter area from an accredited college or university and 8+… more
    Leidos (12/19/25)
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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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