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Information Systems Security Officer (ISSO)

DAn Solutions


Job Location:

Washington, DC - USA

Monthly Salary: Not provided by the employer
Posted: 1 November 2026 (16 hours ago)
Application Deadline: 29 January 2027
Vacancies: 1 Vacancy

Job Summary

REQUIRES AN ACTIVE/EXISTING TS/SCI WITH CI POLYGRAPH

Location: Charleston SC or Washington DC

Position Overview

DAn Solutions is seeking an experienced Information Systems Security Officer (ISSO) to support the authorization compliance and continuous security monitoring of mission applications cloud infrastructure and enterprise services.

The successful candidate will collaborate with government security personnel system owners developers and infrastructure engineers to maintain security documentation evaluate risks and support compliance with DoD and Intelligence Community requirements.

Key Responsibilities
  • Support RMF activities to obtain and maintain system Authorizations to Operate (ATOs).

  • Develop and maintain System Security Plans control implementation statements and authorization documentation.

  • Coordinate with System Owners ISSMs assessors and engineering teams.

  • Maintain POA&Ms and track vulnerability remediation.

  • Manage security documentation and evidence within eMASS.

  • Review ACAS scans security configuration assessments and application security findings.

  • Evaluate the security impact of system changes releases and infrastructure modifications.

  • Support continuous monitoring and ongoing authorization activities.

  • Review access controls privileged access audit logging and configuration baselines.

  • Assist with incident reporting investigations and corrective actions.

  • Prepare security reports and brief government stakeholders.

Required Qualifications
  • Active TS/SCI clearance with CI Polygraph.

  • Bachelors degree in a technical or managerial discipline and at least 5 years of relevant practical experience.

  • Alternatively a high school diploma or equivalent and more than 7 years of relevant practical experience.

  • Previous Intelligence Community experience.

  • Experience performing ISSO or comparable security authorization responsibilities.

  • Experience supporting RMF and system authorization packages.

  • Proficiency with eMASS and ACAS.

  • Experience reviewing vulnerability assessments and coordinating remediation.

  • Knowledge of system boundaries security controls access management and continuous monitoring.

  • Strong technical writing and communication skills.

  • Ability to meet applicable cybersecurity workforce qualification requirements.

Preferred Qualifications
  • DoD 8140/8570 IAM Level II or III qualifications.

  • Experience with ICD 503 authorization processes.

  • AWS GovCloud Kubernetes or OpenShift security experience.

  • Familiarity with DevSecOps security testing and automated evidence collection.

  • Experience implementing STIGs and security configuration assessments.

  • Knowledge of ICAM PKI Zero Trust and cloud security.

  • CISSP CGRC or comparable certifications.

Work Location

Full-time on-site support at a government facility in Charleston SC or the National Capital Region.

Salary Range Disclaimer:The posted salary range represents the good-faith minimum and maximum compensation DAn Solutions expects to pay for this position. The position may be filled at different Labor Category (LCAT) levels depending on the selected candidates qualifications and applicable contract requirements. Final compensation within the posted range will be determined based on the applicable LCAT and factors including education relevant experience certifications and other required qualifications




Required Experience:

Unclear Seniority