Lead Senior ISSO: RMF/ATO Security Leader

CACI International Inc.; Washington (District of Columbia); On-site; USD 90,300 - 189,600; Full time

Job summary

CACI International Inc. is seeking a Lead Senior Information System Security Officer in Washington, DC to support FEMA OCISO. The candidate will lead a 13-person ISSO team, drive RMF activities for ATO decisions, and ensure security documentation aligns with FISMA, NIST, and DHS directives.

Experience in RMF, SSP development, and program leadership is essential. The role requires U.S. Citizenship, high-level security clearances preferred, and extensive experience in information security across

Qualifications

• U.S. Citizenship is required.
• Active security-oriented certifications (CISSP/CISM/CASP+ or equivalent) recommended.
• BS/BA degree with 15+ years of information security experience.
• 10+ years in information security with RMF experience.

Responsibilities

• Lead RMF activities for ATO decisions including system categorization and control implementation.
• Develop and maintain SSPs, inventories, and security documentation.
• Manage a team of ISSOs and coordinate with FEMA's OCISO and DHS/FISMA requirements.
• Prepare security deliverables (SSPs, tests, risk assessments) and report progress to leadership.

Skills

RMF

Risk assessment

Security architecture

Leadership

Communication to leadership

Education

BS/BA degree

Tools

CSAM

RegScale

eMASS

Job description

CACI International Inc. is seeking a Lead Senior Information System Security Officer in Washington, DC to support FEMA OCISO. The candidate will lead a 13-person ISSO team, drive RMF activities for ATO decisions, and ensure security documentation aligns with FISMA, NIST, and DHS directives.

Experience in RMF, SSP development, and program leadership is essential. The role requires U.S. Citizenship, high-level security clearances preferred, and extensive experience in information security across