• Information System Security

    ManTech (Columbia, MD)
    **MANTECH** seeks a motivated, career driven, and customer-focused ** Information System Security Officer (ISSO)** to join our team in **Columbia, MD** . You ... POAMs (Plan of Action and Milestones) related to IAVA/IAVAx findings + Develop and maintain System Security Plans (SSPs) for both new and existing systems +… more
    ManTech (12/17/25)
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  • Senior Information Systems

    Synergy ECP (Annapolis Junction, MD)
    … posture for an information system or program to ensure information systems security policies, standards, and procedures are established and ... Senior Information Systems Security Officer...certification and accreditation. + Provides configuration management (CM) for information system security software, hardware,… more
    Synergy ECP (11/06/25)
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  • Information Systems Security

    CACI International (Annapolis Junction, MD)
    Information Systems Security Officer (ISSO) Skill Level 3 Job Category: Security Time Type: Full time Minimum Clearance Required to Start: TS/SCI with ... * Support senior ISSOs and the ISSM in implementing, enforcing, and maintaining information systems security policies, standards, and methodologies. *… more
    CACI International (12/31/25)
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  • Senior Information Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Information Systems Security Officer (ISSO)** in our **Intelligence Sector, ... ISSO** plays a vital role in securing and maintaining the integrity of our information systems through robust security measures and compliance frameworks.… more
    Leidos (01/06/26)
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  • Information Systems Security

    CACI International (Annapolis Junction, MD)
    Information Systems Security Officer - Level 2 Job Category: Security Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... actively contributing to the proposal, coordination, implementation, and enforcement of information systems security policies, standards, and methodologies… more
    CACI International (12/07/25)
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  • Information Systems Security

    DCCA (Annapolis Junction, MD)
    … posture for an information system or program to ensure information systems security policies, standards, and procedures are established and ... Information Systems Security Officer...support certification and accreditation. Provides configuration management (CM) for information system security software, hardware,… more
    DCCA (12/03/25)
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  • Senior Information Security

    Tyto Athene (Washington, DC)
    …**Responsibilities:** + Lead and support information system security responsibilities utilizing the Risk Management Framework ( RMF ) lifecycle, including ... customer in Washington, DC. The successful candidate will ensure information systems meet security requirements...accordance with client requirements and NIST SP 800-53, including System Security Plans (SSPs), Risk Assessment Reports… more
    Tyto Athene (12/23/25)
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  • Lead System Security Engineer

    Guidehouse (Bethesda, MD)
    …**4. Process Maturity** + Document and maintain the SA&A lifecycle workflow, integrating security into the system development lifecycle per NIST SP 800-37. + ... Owner, etc.) and develop a matrix of cybersecurity responsibilities for each FISMA system . **6. Review** + Conduct security control assessments through an… more
    Guidehouse (11/19/25)
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  • System Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    …integration, test, and transition into operations + 4+ years of experience performing Information Systems Security Officer functions in support of USCYBERCOM ... System Security Engineer The Opportunity: As a...( RMF ) process + Experience assessing security vulnerabilities in sof tware or systems and… more
    BOOZ, ALLEN & HAMILTON, INC. (12/27/25)
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  • Information Systems Security

    Acclaim Technical Services (Annapolis Junction, MD)
    …as a top workplace among DC area firms and continues to grow. We are seeking an Information Systems Security Manager with a TS/SCI w/ Poly to support a ... requirements. Provide management support for proposing, coordinating, implementing, and enforcing Information System Security policies, standards, and… more
    Acclaim Technical Services (11/06/25)
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