Information System Security Officer (ISSO) III with Security Clearance

Zachary Piper Solutions is seeking an Information System Security Officer (ISSO) III to support a company focused on modernizing Department of Defense acquisition and sustainment processes through secure, digital transformation initiatives. This position is hybrid with one mandatory on-site day per week, with additional on-site attendance required for meetings or classified work.

The ISSO III will serve as a key cybersecurity professional supporting Risk Management Framework (RMF) activities, security authorization efforts, and continuous monitoring initiatives across mission-critical environments. This role offers the opportunity to directly influence cybersecurity posture and risk management decisions supporting critical national defense programs. Responsibilities for the Information System Security Officer (ISSO) III include:

• Support Information System Security Managers (ISSMs) in executing cybersecurity compliance, RMF, and authorization activities
• Manage system security documentation including Security Plans, POA&Ms, eMASS records, and continuous monitoring requirements
• Coordinate security control assessments, vulnerability remediation efforts, and annual security reviews
• Analyze vulnerabilities, security events, and cybersecurity risks while providing recommendations to leadership
• Ensure compliance with DoD cybersecurity policies, STIGs, NIST guidance, and security authorization requirements throughout the system lifecycle Required Qualifications for the Information System Security Officer (ISSO) III include:
• 8+ years of cybersecurity, security authorization, or RMF/A&A experience with at least 5+ years supporting RMF processes
• Experience with eMASS, VRAM, vulnerability management tools, security assessments, and continuous monitoring activities
• Strong understanding of DoD cybersecurity policies, NIST standards, STIGs, risk analysis, and security compliance requirements
• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, Engineering, or related STEM field
• Active Top Secret clearance with SCI eligibility required
• Current IAM Level II certification required (Security+, CISSP, CISM, CASP+, CAP, GSLC, CCISO, HCISPP, or equivalent) Compensation for the Information System Security Officer (ISSO) III include: Salary Range: $155,000 - $165,000 depending on experience Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Tuition Reimbursement, Sick Leave as required by law #LI-JB1 Keywords: ISSO III, Information System Security Officer, Cybersecurity, RMF, Risk Management Framework, Authorization and Accreditation, A&A, eMASS, VRAM, Continuous Monitoring, POA&M, Security Controls, Vulnerability Management, DoD Cybersecurity, NIST, STIG, Security Compliance, IAM II, CISSP, CISM, Security+, Top Secret Clearance, SCI Eligible, Information Assurance, Risk Assessment, Cyber Defense, Security Authorization, Federal Cybersecurity, Defense Programs, Cyber Risk Management, Security Governance, Compliance Analyst, ISSM Support, Acquisition Modernization