OverviewAMERICAN SYSTEMS is seeking a
Senior Information System Security Officer (ISSO) to manage RMF execution, authorization, and continuous monitoring for hybrid on-premises and cloud systems supporting classified government missions in
Chantilly, VA.
This role is ideally suited for a security leader who is
detail-oriented,
highly organized, and
confident guiding system owners and engineers through RMF execution, authorization decisions, and ongoing compliance in classified environments.
ResponsibilitiesAs an AMERICAN SYSTEMS
Senior ISSO, you will:
- Lead RMF execution for assigned systems from categorization through continuous monitoring.
- Maintain ICD 503 and FIPS 199 security artifacts supporting system authorization.
- Develop, update, and manage ATO packages and authorization documentation.
- Conduct or overseedaily audit log reviews for anomalous activity and report findings to the Government as soon as practical.
- Coordinate risk assessments and remediation activities with engineering teams.
- Enforce security policies and ensure ongoing compliance throughout the system lifecycle.
- Serve as the primary point of contact for security reporting to the COTR, CO, and Government security authorities.
- Support audits, inspections, reciprocity efforts, and CORA activities.
- Support Privileged User Program and IA Workforce reporting requirements.
Qualifications- Active TS/SCI clearance and current polygraph (required to be considered)
- Bachelor's degree in Cybersecurity, Information Assurance, or a related STEM field
- 10+ years of experience in RMF execution, cybersecurity compliance, and governance
- DoD 8570/8140 IAM Level III certification (e.g., CISSP, CISM, or CCSP)
- Experience managing ATO packages and supporting continuous monitoring
- Exposure to and understanding of hardening cloud assets
- Strong working knowledge of ICD 503, NIST SP 800-53, and FIPS 199.
- Experience coordinating risk remediation across technical and operational teams.
Pay Transparency StatementAMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $155,700.00/Yr. - USD $260,000.00/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.
EEO StatementEEO Race/Sex/Disability StatVeteran Status