• System Administration - Tiered Support

    CACI International (Annapolis Junction, MD)
    …escalated tickets and system optimization. + Collaborating with the Information System Security Officer ( ISSO ) and Information System Owner (ISO) regarding ... solutions to our clients in the defense and national security sectors. Our mission is to support critical infrastructure...+ Installation and maintenance of operating system software and security patches (eg, IAVA security patches). +… more
    CACI International (08/21/25)
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  • System Engineer Level 2 ( ISSO )

    Jovian Concepts, Inc. (Annapolis Junction, MD)
    Jovian Concepts, Inc is looking to hire a System Engineer Level 2 ( ISSO ) for a great opportunity in the Annapolis Junction, MD area. A current and active TS/SCI ... Cybersecurity - Support the organization's information assurance program, enforcing security policies and standards. Conduct vulnerability assessments and manage… more
    Jovian Concepts, Inc. (10/16/25)
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  • TS/SCI ISSO Mid

    Insight Global (Washington, DC)
    Job Description Insight Global is seeking an ISSO to support a large government customer. This person will work with a team of other ISSOs to verify and authenticate ... Other responsibilities include: . Lead creation and review of System Security Plans (SSPs), Security Assessment Plans (SAPs), and Plan of Action & Milestones… more
    Insight Global (10/23/25)
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  • Information System Security Manager (ISSM)

    KBR (Bethesda, MD)
    …of 2 years of experience in conducting security assessments by reviewing security controls with the ISSO /ISSM and guide programs through RMF process. + ... Title: Information System Security Manager (ISSM) Information System Security Manager (ISSM) Belong. Connect. Grow. with KBR! KBR's National Security … more
    KBR (09/02/25)
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  • Senior Cyber Consultant - ISSO /ISSM

    Guidehouse (Washington, DC)
    …NIST Cybersecurity Framework (CSF) guidelines, standards, and best practices for cyber security and risk management to strengthen an organizations security ... Governance Risk and Compliance (GRC) requirements, standards, and guidelines governing security within the Federal Government (eg, NIST publications, FISMA, and OMB… more
    Guidehouse (10/27/25)
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  • ISSO

    ASM Research, An Accenture Federal Services Company (Ashburn, VA)
    …in order to mitigate and eliminate high level data and cyber security risks. Designs, tests and implements state-of-the-art secure operating systems, networks, and ... for application design. + Leads the investigation of complex computer and information security incidents to determine extent of compromise to national security … more
    ASM Research, An Accenture Federal Services Company (10/14/25)
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  • Senior Cyber Security SME

    Steampunk (Mclean, VA)
    …new challenges. **Contributions** The ** ISSO Team Lead** serves as a Lead Cyber Security Specialist and will perform level III ISSO and/or ISSO support ... + Ensuring that all ISSOs within the program area areproperly trainedon ISSO activities. + Providing security -relatedexpertiseand mentorship to junior ISSOs… more
    Steampunk (10/01/25)
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  • Tech Ops Officer

    Nightwing (Sterling, VA)
    …program + Advance Degree in Engineering or Education or equivalent + Security certifications (eg ISSO , System Administrator, etc.) **Travel Qualifications:** + ... and continuous improvement of the program. Understanding of principles of Operational Security is critical for this position. The Technical Operator Officer (TOO)… more
    Nightwing (09/17/25)
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  • Information System Security Officer II

    Global Resource Solutions (Washington, DC)
    …motivated, detail orientated, and talented individual for the position of Information System Security Officer II. Job Description: Summary: The ISSO II's primary ... are operated, maintained, and disposed of in accordance with security policies and practices + Perform ISSO ...with security policies and practices + Perform ISSO duties in support of in-house and external customers… more
    Global Resource Solutions (10/17/25)
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  • Risk Management Framework / Information Assurance…

    Leidos (Fort Belvoir, VA)
    …and verbal presentation skills + **_Active TS/SCI_** **Preferred Qualifications** + Past or current ISSM/ ISSO experience + Security + or CISSP + GCIH a plus + DoD ... monitoring, analysis, and response to Information System, network and security events. + Maintaining the NIPR and SIPR RMF...operated, maintained, and disposed of in accordance with internal security policies and practices outlined in the System … more
    Leidos (10/18/25)
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