External Information System Security Officer (ISSO), Journeyman

Peraton Corporation
Herndon, Virginia 20171 United States  View Map
Posted: Jun 07, 2026
  • Full Time
  • Public Safety
  • Summary

    We are seeking a highly skilled and innovative Information System Security Officer (ISSO), Journeyman to join our team in the greater DMV area, supporting the Army National Guard. Responsibilities. Maintain e. MASS records for assigned systems: update RMF artifacts, POA&Ms, STIG checklists, scan results, and accreditation documentation. Coordinate with system owners, engineers, SOC, and compliance staff to document control implementation, vulnerability remediation, and configuration baselines. Review system changes for cybersecurity implications and support A&A and re-authorization activities. Orchestrate scanning and patching cycles for PM-controlled environments and validate remediation evidence. Prepare security status reports, respond to accreditation/inspection data calls, and maintain audit-quality documentation. Provide day-to-day IA policy guidance, training coordination, and account validation support for system teams. Track POA&M progress, verify closure evidence, and assist ...Security Officer, Journeyman, Security, Officer, Information, External, Technology
  • Job Description

    We are seeking a highly skilled and innovative Information System Security Officer (ISSO), Journeyman to join our team in the greater DMV area, supporting the Army National Guard. Responsibilities. Maintain e. MASS records for assigned systems: update RMF artifacts, POA&Ms, STIG checklists, scan results, and accreditation documentation. Coordinate with system owners, engineers, SOC, and compliance staff to document control implementation, vulnerability remediation, and configuration baselines. Review system changes for cybersecurity implications and support A&A and re-authorization activities. Orchestrate scanning and patching cycles for PM-controlled environments and validate remediation evidence. Prepare security status reports, respond to accreditation/inspection data calls, and maintain audit-quality documentation. Provide day-to-day IA policy guidance, training coordination, and account validation support for system teams. Track POA&M progress, verify closure evidence, and assist ...Security Officer, Journeyman, Security, Officer, Information, External, Technology
  • ABOUT THE COMPANY

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