TS/SCI Senior ISSO

Insight Global
Washington, DC 20022 United States  View Map
Posted: Jun 03, 2026
  • Full Time
  • Federal Government
  • Summary

    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 12-14 ATO packages. This person will be responsible for all steps in the RMF process as well as uploading artifacts to eMASS, updating POAMs and vulnerability scan review.

    Full Responsibilities include:

    This person will be responsible for all steps in the RMF process as well as uploading artifacts to eMASS, updating POAMs and vulnerability scan review. Other responsibilities include:
    • Lead creation and review of System Security Plans (SSPs), Security Assessment Plans (SAPs), and Plan of Action & Milestones (POA&Ms)
    • Develop and maintain project risk management, communication, and QA plans related to RMF delivery
    • Oversee system categorization and control selection based on NIST SP 800-53
    • Conduct gap assessments, RMF maturity analysis, and draft corresponding reports
    • Manage production of system boundary CONOPs, including visual security architecture diagrams and data flow visuals
    • Coordinate cybersecurity policy updates and SOP revisions
    • Guide monthly/quarterly status reporting and develop lessons learned documentation
    • Serve as senior interface with ONI stakeholders, providing technical direction and governance insights

    We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy:

    Required Skills & Experience

    TS/SCI Clearance
    IAM II or higher
    5+ years of experience in a Cybersecurity Role
    5+ Years of experience with RMF
    5+ years of experience working with eMASS

    Benefit packages for this role will start on the 1st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.

  • 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 12-14 ATO packages. This person will be responsible for all steps in the RMF process as well as uploading artifacts to eMASS, updating POAMs and vulnerability scan review.

    Full Responsibilities include:

    This person will be responsible for all steps in the RMF process as well as uploading artifacts to eMASS, updating POAMs and vulnerability scan review. Other responsibilities include:
    • Lead creation and review of System Security Plans (SSPs), Security Assessment Plans (SAPs), and Plan of Action & Milestones (POA&Ms)
    • Develop and maintain project risk management, communication, and QA plans related to RMF delivery
    • Oversee system categorization and control selection based on NIST SP 800-53
    • Conduct gap assessments, RMF maturity analysis, and draft corresponding reports
    • Manage production of system boundary CONOPs, including visual security architecture diagrams and data flow visuals
    • Coordinate cybersecurity policy updates and SOP revisions
    • Guide monthly/quarterly status reporting and develop lessons learned documentation
    • Serve as senior interface with ONI stakeholders, providing technical direction and governance insights

    We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy:

    Required Skills & Experience

    TS/SCI Clearance
    IAM II or higher
    5+ years of experience in a Cybersecurity Role
    5+ Years of experience with RMF
    5+ years of experience working with eMASS

    Benefit packages for this role will start on the 1st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.

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