• Information Systems Security Officer - Level 3

    CACI International (Annapolis Junction, MD)
    …information within a complex and dynamic environment. The responsibilities of an ISSO provide an opportunity to directly contribute to the security and compliance ... of critical systems, ensuring they remain protected against emerging threats while supporting organizational goals and regulatory requirements. **Qualifications:** **Required:** + Current Active TS/SCI with POLY + Ten (10) years of combined work-related… more
    CACI International (06/05/25)
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  • Information System Security Officer - Intermediate

    KBR (Fort Meade, MD)
    …is seeking a highly motivated and career-oriented Information System Security Officer ( ISSO ) -Intermediate to join our team supporting a government client in ... Virginia. Key Responsibilities: + Develop, update, and/or review RMF documentation to include the System Security Plan (SSP), Security Control Traceability Matrix (SCTM), Plan of Action and Milestone (POA&M), Risk Assessment Report (RAR), and Security… more
    KBR (08/08/25)
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  • Senior Information System Security Officer- TS/SCI…

    Amentum (Fort Meade, MD)
    …of Experience:** + Minimum of seven plus (7+) years of experience as an ISSO supporting IC or DoD programs and contracts of similar scope, type, and complexity. ... \#javelin #forthewin Pay Transparency Verbiage Amentum's health and welfare benefits are designed to invest in you and in the things you care about. Your health. Your well-being. Your security. Your future. Eligible employees and their dependents may elect… more
    Amentum (06/29/25)
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  • ICAM Security Specialist (Remote)

    Koniag Government Services (Chantilly, VA)
    …related field + 3+ years of experience in information security, preferably in ISSO or similar roles + Experience with DoD security documentation, including SSPs, ... SARs, and POAMs + Experience supporting federal government projects, particularly within Department of Defense + Demonstrated knowledge of Risk Management Framework (RMF) processes **Required Skills and Competencies:** + Strong understanding of information… more
    Koniag Government Services (08/22/25)
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  • Information System Security Officer (Multiple…

    Noblis (Chantilly, VA)
    …**Noblis ESI is seeking an experienced Information System Security Officer ( ISSO ) with an active Top Secret/SCI with Counterintelligence (CI) Polygraph clearance ... in Chantilly, VA.** **Responsibilities Include** + Advise on information security and develop, administer, and maintain system security requirements and documentation packages for program Assessment and Authorization (A&A) for classified information systems. +… more
    Noblis (08/16/25)
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  • Information System Security Officer

    Jacobs (Chantilly, VA)
    …collaboratively in a team environment as required. Duties/Tasks and Responsibilities: Perform all ISSO related duties as required by ICD 503, applicable NRO, IC, DoD ... policies, procedures and operating instructions related to information Technology, Information Assurance, Information Management (IT/IA/IM) * Manage the day-to-day system security including physical and environmental protection, incident handling, and… more
    Jacobs (06/04/25)
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  • Information System Security Officer

    ManTech (Columbia, MD)
    …enterprise infrastructure capabilities for a global, mission-focused workforce. As an ISSO , you will work alongside customers, Integrated Product Teams (IPTs), and ... vendors to support the implementation and compliance of advanced EIT capabilities through Data Center & Compute Services. You will manage cybersecurity documentation, assess system vulnerabilities, and support the Risk Management Framework (RMF) lifecycle in… more
    ManTech (08/16/25)
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  • Information Systems Security Officer 3 - TS/SCI…

    Amentum (Columbia, MD)
    We are seeking an Information Systems Security Officer ( ISSO ) 3 for a prime contract that is based out of our Columbia, MD office. **Responsibilities:** + Provide ... support for a program, organization, system, or enclave's information assurance program. + Provide support for proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies. + Maintain operational… more
    Amentum (08/13/25)
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  • Senior System Administrator

    Synergy ECP (Columbia, MD)
    …security hardening, patching, and monitoring status. Position also will support ISSO and ISSEs in obtaining and maintaining security certification and accreditation. ... Apply knowledge of computer operations, platforms, systems, architectures, functions, and terminology. Independently read, write and implement standard operating procedures and technical documentation. Required Clearance: TS/SCI with FS Polygraph Required… more
    Synergy ECP (07/16/25)
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  • ISSE

    Lentech, Inc (Hanover, MD)
    …intelligence community clients. We currently have a unique opportunity for an ISSE/IA/ ISSO with expertise in Information Systems Security to join a team of ... highly skilled INFOSEC engineers and technologists. Clearance: Current TS/SCI Poly JOB FUNCTIONS AND RESPONSIBILITIES: This position shall perform the following (to include, but not limited to) activities: As a talented ISSE, you will bring your skills with… more
    Lentech, Inc (08/13/25)
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