• Information System Security

    GCyber (Alexandria, VA)
    GCyber is seeking an Information System Security Engineer, to support a government customer. The ISSO will be responsible for maintaining compliance, ... documentation and activities across multiple stakeholders. As the Information System Security Officer, you...of security controls per NIST SP 800-53, RMF , and DoD directives. + Coordinate with system more
    GCyber (11/04/25)
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  • Information Systems Security

    Amentum (Fort Meade, MD)
    Security , & Intel space? If so, look no further. Amentum is seeking an ** Information Systems Security Officer (ISSO) Senior** to join our team of ... Management Framework ( RMF ) for new and existing information systems and will be expected to...expertise on all matters that impact or affect the security of the information system .… more
    Amentum (10/25/25)
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  • Security Control Assessor Representative…

    Leidos (San Antonio, TX)
    …Duties & Responsibilities:** + Supports the development, maintenance, and review of RMF cybersecurity documentation, including: System Security Plan (SSP) ... warfare capabilities. It enables cyber operations, cyber defense, intelligence, and information security to protect Air Force networks and global missions.… more
    Leidos (11/22/25)
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  • Information System Security

    Kratos Defense & Security Solutions, Inc. (Orlando, FL)
    …Posting Date. Keyword: cyber, cybersecurity, RMF , zero trust, CMMC, NIST, 800-171, Information System Security Manager Kratos Defense is an Equal ... systems and networks. + Ensure compliance with security policies and enforce system requirements, including...+ Proven background working within DoD or Federal Government information system environments + Demonstrated expertise in… more
    Kratos Defense & Security Solutions, Inc. (09/27/25)
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  • Information Systems Security

    Lockheed Martin (Littleton, CO)
    …with the security team, program, and government customers to perform as an Information Systems Security Officer \(ISSO\) for Special Programs located at ... CO\. In this role you will: \- Oversee day\-to\-day information system security operations including...a plan of actions and milestones \(POA&M\) with the Information Systems Security Manager \(ISSM\)… more
    Lockheed Martin (09/25/25)
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  • Information System Security

    Lockheed Martin (Little Rock Air Force Base, AR)
    …and analysis of classified computing systems with the programs and information systems security manager \(ISSM\)\. Assist with self\-inspection reviews\. ... Instruction \(CNSSI\) 1253\. The ISSO will be responsible for systems security , testing and system ...Assist in the development and implementation of government approved information security procedures and plans for the… more
    Lockheed Martin (11/25/25)
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  • Senior Information System

    Tyto Athene (Fairfax, VA)
    **Description** Tyto Athene is searching for a **Senior Information System Security Officer (ISSO)** to be responsible for the overall handling of ... protected by applicable law. Submit a Referral (https://careers-gotyto.icims.com/jobs/1461/senior- information - system - security -officer-%28isso%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834326889) **Location** _US-VA-Fairfax_… more
    Tyto Athene (09/16/25)
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  • Information System Security

    Guidehouse (Suitland, MD)
    …+ Provided RMF support towards obtaining an ATO for cloud-based systems /applications, to include system categorization, security control selection and ... technical security controls for audited applications and information systems , subject matter expertise in developing...such as the Authorizing Official, system owners, Information System Security Officers (ISSO),… more
    Guidehouse (10/24/25)
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  • Information Systems Security

    V2X (Springfield, VA)
    …responsible for providing Risk Management Framework ( RMF ) products that document the information system 's adherence to the security controls applied. ... complex challenges with integrity, respect, responsibility, and professionalism. We are hiring a Information Systems Security Officer (ISSO) - active TS/SCI… more
    V2X (12/04/25)
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  • Information Systems Security

    Koniag Government Services (Washington, DC)
    Kadiak, LLC, a Koniag Government Services company, is seeking an Information Systems Security Engineer (ISSE) with Top Secret security clearance to ... Guide system categorization efforts to ensure all information systems are appropriately classified based on...long term strategically strong configuration. + Strong understanding of system security engineering in accordance with the… more
    Koniag Government Services (12/10/25)
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