External Information System Security Officer (ISSO), Senior

Peraton Corporation
Herndon, Virginia 20171 United States  View Map
Posted: Jun 08, 2026
  • Full Time
  • Public Safety
  • Summary

    We are seeking a highly skilled and innovative Information System Security Officer (ISSO) to join our team in the greater DMV area, supporting the Army National Guard. Responsibilities. Manage system-level cybersecurity programs: oversee RMF lifecycle activities, control implementation, continuous monitoring, and accreditation evidence. Review and validate security documentation, system security plans (SS - Ps), control implementation statements, POA&Ms, and configuration baselines to assess residual risk. Coordinate with system owners, engineers, ISS - Ms, assessors, and integrators to remediate control deficiencies and maintain authorization posture. Advise leadership on risk acceptance, compliance obligations, and remediation prioritization; prepare briefing materials for authorization and governance boards. Implement and monitor continuous monitoring processes: vulnerability scanning, configuration checks, patch status, and security telemetry integration. Support audit and inspecti...Security Officer, Security, Officer, Information, External, Cybersecurity, Technology
  • Job Description

    We are seeking a highly skilled and innovative Information System Security Officer (ISSO) to join our team in the greater DMV area, supporting the Army National Guard. Responsibilities. Manage system-level cybersecurity programs: oversee RMF lifecycle activities, control implementation, continuous monitoring, and accreditation evidence. Review and validate security documentation, system security plans (SS - Ps), control implementation statements, POA&Ms, and configuration baselines to assess residual risk. Coordinate with system owners, engineers, ISS - Ms, assessors, and integrators to remediate control deficiencies and maintain authorization posture. Advise leadership on risk acceptance, compliance obligations, and remediation prioritization; prepare briefing materials for authorization and governance boards. Implement and monitor continuous monitoring processes: vulnerability scanning, configuration checks, patch status, and security telemetry integration. Support audit and inspecti...Security Officer, Security, Officer, Information, External, Cybersecurity, Technology
  • ABOUT THE COMPANY

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