Hybrid Information System Security Officer, ISSO

at Agile Defense

• Job title: Information System Security Officer, ISSO
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Cyber Security
• Location requirements: Hybrid, Washington, D C, United States

About the role

• Information System Security Officers maintaining IT security posture through collaboration with stakeholders. Supporting system security policies and risk management for national cybersecurity objectives.

Responsibilities

• Serve as the primary liaison between the Cybersecurity Group, system owners, ECCP, and information owners on security and risk matters.
• Ensure systems follow security policies, including vulnerability scanning, patching, and configuration management.
• Verify compliance for commercial and open‑source software through OCIO governance processes.
• Support incident reporting and coordination with the SOC.
• Determine system categorization and control selection under the Risk Management Framework.
• Coordinate with stakeholders on ECCP controls and expansion of standard control providers.
• Manage IPAs and PIAs.
• Review security reports and participate in briefings with system owners and leadership.
• Monitor overall security posture and prepare updated Security Posture Reports.

Requirements

• Required Certifications: CISSP or Security +
• Education, Background, and Years of Experience: Bachelor of Science Degree
• 3 -5 years of experience as an ISSO/ISSM
• 3 - 5 years ISSO/ISSM support including
• Maintain the security posture of assigned information systems and ensure compliance with federal security requirements (e.g., NIST, FISMA).
• Support system authorization and accreditation activities, including preparing and maintaining A&A documentation.
• Monitor system security controls and ensure they are implemented, operating, and effective.
• Perform continuous monitoring activities and review security logs, scans, and reports.
• Identify, track, and remediate vulnerabilities in coordination with engineering teams.
• Conduct periodic security assessments and risk analysis.
• Prepare and maintain system security plans, contingency plans, incident response plans, and related artifacts.
• Ensure proper configuration management practices are followed for all system changes.
• Support security incident response activities, including documenting and escalating events.
• Work closely with system owners, developers, and administrators to ensure security is integrated throughout the system lifecycle.
• Communicate security risks and recommendations to stakeholders and leadership.
• Ensure users maintain proper security awareness and follow established policies and procedures.
• Participate in audits and reviews, providing evidence, documentation, and responses as needed.
• Track and report on Plan of Action & Milestones (POA&Ms).
• Ensure compliance with policies related to access control, patch management, and security operations.

Benefits

• Competitive and comprehensive benefits package