Senior ISSO - National IT Security Leader

CACI International Inc; Reston (VA); On-site; USD 121,000 - 266,000; Full time

Job summary

CACI International Inc in Reston, VA seeks an Information Systems Security Officer (ISSO) to support the Department of State on the GMOS contract. You will lead security controls, RMF implementation, and cross-functional teams to maintain robust defense of enterprise IT for 40,000+ users.

The role requires active Secret clearance and extensive experience in security engineering, A&A lifecycle, and monitoring.

Qualifications

• BA/BS degree in a relevant field or equivalent experience.
• Extensive cybersecurity experience including RMF, FISMA, NIST SP 800-53.

Responsibilities

• Leads comprehensive security and internal controls maintenance across 40,000+ users.
• Maintains security thresholds and enterprise compliance with DOS policies.
• Oversees vulnerability monitoring and remediation coordination with bureaus and agencies.
• Provides security guidance for service portfolio management aligning with accessibility standards.

Skills

Leadership

Security experience

Vulnerability management

Incident response

Documentation

Education

BA/BS degree in a related field

Tools

ServiceNow

SIEM

EDR

Vulnerability management tools

Job description

CACI International Inc in Reston, VA seeks an Information Systems Security Officer (ISSO) to support the Department of State on the GMOS contract. You will lead security controls, RMF implementation, and cross-functional teams to maintain robust defense of enterprise IT for 40,000+ users.

The role requires active Secret clearance and extensive experience in security engineering, A&A lifecycle, and monitoring.