Information System Security Officer (ISSO) III

Zachary Piper Solutions is seeking an Information System Security Officer (ISSO) III to support a government consulting partner in the Washington, DC area. The ISSO III will provide cybersecurity support for Department of Defense systems, ensuring compliance with Risk Management Framework (RMF) requirements and managing Assessment & Authorization (A&A) activities throughout the system lifecycle.

Location: Hybrid (Washington, DC area, 1 day onsite required; additional onsite support as needed for meetings or classified data access)

Responsibilities of the Information System Security Officer (ISSO) III include:

• Support Information System Security Managers (ISSMs) in maintaining cybersecurity compliance across assigned systems
• Manage RMF activities, A&A packages, security plans, POA&Ms, and continuous monitoring requirements within eMASS
• Coordinate security control assessments, risk assessments, annual security reviews, and validation efforts with government stakeholders
• Track vulnerabilities through remediation utilizing tools such as VRAM, ACAS, and other DoD cybersecurity platforms
• Analyze cybersecurity findings, evaluate corrective actions, and present risk-related reporting to leadership
  
  

Qualifications for the Information System Security Officer (ISSO) III include:

• 6 years of experience supporting cybersecurity compliance, vulnerability management, cyber threat analysis, security change implementation, and incident response activities
• Current IAM Level II certification (Security , CAP, CASP CE, CISM, CISSP, GSLC, CCISO, HCISPP, or equivalent)
• Active Top Secret security clearance with SCI eligibility and eligibility for JWICS access
• Experience with RMF, DoD Assessment & Authorization (A&A) processes, NIST publications, STIGs, SRGs, and cybersecurity policy implementation
• Hands-on experience with eMASS, VRAM, ACAS, HBSS, continuous monitoring, configuration management, and security control assessments
• Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, Information Systems, or a related STEM field
  
  

Compensation for the Information System Security Officer (ISSO) III includes:

• $150,000 - $165,000 (depending on experience)
• Comprehensive Benefits: Medical, Dental, Vision, 401(k), Paid Time Off, Paid Holidays, and additional employer-sponsored benefits
  
  

This job opens for applications on 10/5/2026. Applications for this job will be accepted for at least 30 days from the posting date.

Keywords: ISSO, Information System Security Officer, Cybersecurity, RMF, Risk Management Framework, A&A, Assessment and Authorization, eMASS, VRAM, ACAS, HBSS, NIST, POA&M, Continuous Monitoring, Vulnerability Management, Security Controls, DoD Cybersecurity, STIG, SRG, IAM II, CISSP, Security , CAP, CISM, Top Secret Clearance, SCI, JWICS, Information Assurance, Cyber Defense, Federal Government, Defense Contracting.