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 systemsManage RMF activities, A&A packages, security plans, POA&Ms, and continuous monitoring requirements within eMASSCoordinate security control assessments, risk assessments, annual security reviews, and validation efforts with government stakeholdersTrack vulnerabilities through remediation utilizing tools such as VRAM, ACAS, and other DoD cybersecurity platformsAnalyze 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 activitiesCurrent 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 accessExperience with RMF, DoD Assessment & Authorization (A&A) processes, NIST publications, STIGs, SRGs, and cybersecurity policy implementationHands-on experience with eMASS, VRAM, ACAS, HBSS, continuous monitoring, configuration management, and security control assessmentsBachelor’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.