• Information Systems Security Officer

    FGS, LLC (Suitland, MD)
    …inquiries and assist organizations with their user accounts and perform ISSM review of data files being transferred between networks. **Required Qualifications:** ... + US Citizenship + Active TS/SCI security clearance + High school diploma required, Bachelor's degree in Computer Science, Information Systems, or related field preferred + Minimum 10 years of systems administration and cybersecurity experience (Windows and… more
    FGS, LLC (11/22/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    …configuration development to support customer and/or security requirements + Coordinate with ISSM /ISSO in support of IATT and ATO requirements + Adhere to Risk ... Management Framework (RMF) best practices for system management + Develop and maintain system design documentation and technical SOPs + Engage with mission business owners and stakeholders to determine project design requirements + Assist team with IT… more
    FGS, LLC (11/22/25)
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  • Principal Linux Systems Administrator - Polygraph

    Northrop Grumman (Linthicum Heights, MD)
    …and standalone computers as directed by the Information Systems Security Manager ( ISSM ). + Prepare security documentation for input to Computer Security. + Report ... project status as required for all recurring and non-recurring efforts. + Work under minimal direction and independently determine and develop approach to solutions. _If you are ready to solve complex problems in a dynamic environment, apply today!_ **Basic… more
    Northrop Grumman (11/19/25)
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  • Security Incident Analyst (SiA) - TS/SCI…

    General Dynamics Information Technology (Riverdale, MD)
    …Computer Network Defense Center (DCNDC) and Information Systems Security Managers ( ISSM ) for situational awareness and tracking purposes. SIA then manages, ... coordinates, and reports mitigation actions in order to sanitize agency assets prior to resolving cases. HOW A SECURITY INCIDENT ANALYST WILL MAKE AN IMPACT + Manage network computer and system security incidents relating to data spills, misclassifications,… more
    General Dynamics Information Technology (11/18/25)
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  • Information Systems Security Officer 3 - TS/SCI…

    Amentum (Columbia, MD)
    …or program. + Provide support to the information System Security Manager ( ISSM ) for maintaining the appropriate operational Cybersecurity posture for a system, ... program, or enclave. + Develop and update the system security plan and other Cybersecurity documentation. + Assist with the management of security aspects of the information system and perform day-to day security operations of the system. + Track and ensure… more
    Amentum (11/12/25)
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  • Senior Information Systems Security Officer (ISSO)

    Belay Technologies (Annapolis Junction, MD)
    …systems. + Provide support to the Information System Security Manager ( ISSM ) for maintaining the appropriate operational IA posture for a system/program/enclave. ... + Develop and maintain documentation for Certification & Accreditation in accordance with specified policies. + Develop and update system security plans and other IA documentation. + Provide support for Information Assurance Vulnerability Alerts (IAVAs)… more
    Belay Technologies (11/09/25)
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  • Mid/Sr Information System Security Officer (ISSO)

    Belay Technologies (Annapolis Junction, MD)
    …systems. + Provide support to the Information System Security Manager ( ISSM ) for maintaining the appropriate operational IA posture for a system/program/enclave. ... + Develop and maintain documentation for Certification & Accreditation in accordance with specified policies. + Develop and update system security plans and other IA documentation. + Provide CM for security-relevant information system software, hardware, and… more
    Belay Technologies (11/06/25)
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  • Information System Security Officer (ISSO)

    St. George Tanaq Corporation (Annapolis, MD)
    …Monitor, track, and report cybersecurity metrics and compliance status to the ISSM , CISO, or agency stakeholders. + Manage user access reviews, account ... recertification, and system-level security awareness training. + Support incident response and investigation efforts when cybersecurity events are detected. + Coordinate with external assessors, auditors, and the agency's Authorizing Official (AO) during… more
    St. George Tanaq Corporation (11/01/25)
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  • ISSO 5

    M. C. Dean (Annapolis Junction, MD)
    …classified information. + Provide support to the Information System Security Manager ( ISSM ) for maintaining the appropriate operational IA posture for a system, ... program, or enclave. + Perform vulnerability/risk assessment analysis to support certification and accreditation. + Provide configuration management (CM) for information system security software, hardware, and firmware. + Manage changes to system and assesses… more
    M. C. Dean (10/23/25)
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  • Information Systems Security Manager

    Leidos (Bethesda, MD)
    …execute the duties and responsibilities of this position * Must have previous ISSM or ISSO experience * Must have Linux operating system experience including but ... not limited to: + Must have basic command line Linux knowledge, comfortable viewing files and knowledgeable about their locations in the file system + Must have a solid grasp on scanning and remediating issues on Linux systems * Must be thoroughly familiar… more
    Leidos (10/23/25)
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