Senior ISSO (Top Secret Clearance)

Zachary Piper Solutions is seeking a Senior ISSO to support a major federal modernization program in Huntsville, AL. The Senior ISSO will provide security oversight, compliance monitoring, and risk management support across mission-critical systems, cloud environments, and DevSecOps initiatives.

Senior ISSO Responsibilities:

• Implement and enforce federal cybersecurity policies, security controls, and compliance requirements
• Maintain security documentation including SSPs, POA&Ms, control evidence, and audit artifacts
• Perform vulnerability assessments, support continuous monitoring activities, and drive remediation efforts
• Collaborate with engineering, cloud, DevSecOps, QA, and operations teams to integrate security throughout the system lifecycle
• Support accreditation activities, security assessments, incident response efforts, and risk management initiatives

Senior ISSO Qualifications:

• Bachelor's degree and 8+ years of experience in cybersecurity, ISSO support, security engineering, or a related field
• Active Top Secret Security Clearance
• Security certifications such as CISSP, CISM, Security+, or equivalent preferred
• Strong knowledge of federal security frameworks, compliance requirements, and accreditation processes
• Experience conducting vulnerability scanning, analyzing findings, and coordinating remediation activities
• Proficiency with identity and access management (IAM), system hardening, logging, auditing, and security monitoring
• Active Top Secret Security Clearance
• Excellent communication skills with the ability to partner with both technical teams and program leadership
• Experience supporting federal modernization, defense, or national security programs preferred
• Familiarity with AWS cloud environments, DevSecOps practices, CI/CD pipeline security, and automated scanning tools preferred

Senior ISSO Compensation:

• Salary range: $150,000 - $165,000
• Comprehensive Benefits: Medical, Dental, Vision, 401(k), Paid Time Off, and Holidays

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

Keywords: Senior ISSO, Information System Security Officer, Cybersecurity, Federal Security Frameworks, RMF, NIST, Vulnerability Management, Continuous Monitoring, SSP, POA&M, Security Compliance, Security Engineering, IAM, System Hardening, Audit Logging, Incident Response, Risk Management, AWS, Cloud Security, DevSecOps, CI/CD Security, Security Assessments, Accreditation, Top Secret Clearance, Huntsville AL.

#LI-CG2

#LI-ONSITE