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Information System Security Officer

Job in Washington, District of Columbia, 20022, USA
Listing for: CACI International Inc.
Full Time position
Listed on 2026-09-17
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security & Data Protection
Salary/Wage Range or Industry Benchmark: 103800 - 218100 USD Yearly USD 103800.00 218100.00 YEAR
Job Description & How to Apply Below
Job Title:

Information System Security Officer Job Category:
Information Technology Time Type:
Full time Minimum Clearance Required to Start:
None Employee Type:
Regular Percentage of

Travel Required:

None Type of Travel:
Local*
* * Opportunity:

CACI is searching for an Intermediate Information System Security Officer to support the FEMA Office of the Chief Information Security Officer (OCISO) in Washington, D.C. As an Intermediate ISSO, you will play a crucial role in ensuring the security and compliance of FEMA's information systems. You will work in a dynamic environment, collaborating with Lead ISSOs, IT system owners, stakeholders, and cybersecurity professionals to implement and maintain robust security controls.

Your efforts will directly contribute to safeguarding FEMA's mission-critical systems and data. The Intermediate ISSO will be responsible for technical cybersecurity efforts in coordination with Lead ISSOs, providing direct support to the Compliance Branch Lead. Serving as a point of contact for technical cybersecurity matters related to quantifying technical risk, the Intermediate ISSO will execute Risk Management Framework activities for ATO decisions, ensure confidentiality, integrity, and availability of FEMA Information Systems, and implement security controls throughout the system lifecycle.

This position requires maintaining a security posture in compliance with FISMA, DHS 4300 Series, NIST, and DHS and Component Directives.

Responsibilities:

The Intermediate ISSO will execute Risk Management Framework activities for ATO decisions and ensure systems meet compliance requirements while ensuring confidentiality, integrity, and availability of FEMA Information Systems through proper security control implementation. This position requires implementing security controls and conducting system assessments to identify vulnerabilities and gaps, as well as developing and maintaining System Security Plans, Configuration Management Plans, and Contingency Plans.

The Intermediate ISSO will conduct Security Impact Analyses and test configuration changes pre- and post-deployment, support continuous monitoring of IT systems, and develop and track POA&Ms for identified vulnerabilities. Responsibilities include developing security requirement traceability matrices and managing hardware and software inventory lists, supporting cloud security initiatives, and participating in Change Advisory Board (CAB) reviews. The position involves conducting technical vulnerability assessments, providing audit support documentation, and responding to cybersecurity data calls with timely information to leadership.

Critical deliverables include preparing Security Test Plans 90 days prior to testing and Security Test Reports within 15 days after testing, generating POA&Ms within 0 to 15 days after vulnerability identification, and updating System Security Plans, Configuration Management Plans, and Contingency Plans annually or when changes occur. The Intermediate ISSO will conduct Security Impact Analysis Reports within 5 business days after change notification, analyze Risk Assessment Reports and FISMA Scorecard Analysis on a daily basis, and produce Weekly Activity Reports and Monthly Program Reports.

This position requires following the Information Systems Security Officer (ISSO) Guide when developing, updating, or reviewing required security artifacts and tracking and suggesting technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or unauthorized access.

Qualifications:

U.S. Citizenship requiredFEMA EOD suitability or Current DHS or FEMA EOD preferred

Active Secret security clearance BS/BA + 15 years of applicable experience or…
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