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# Senior Information Systems Security Officer (ISSO) - Cloud

- **Company:** Applied Information Sciences, Inc.
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Salary:** $101,000 - $152,000
- **Contract:** Permanent contract
- **Skills:** Cloud Computing, Cloud Computing Security, Cyber Security, Information Systems, Intrusion Detection and Prevention, Information Systems Security Architecture Professional, Nmap, HP WebInspect, Cloud Platform System, Information Technology, Tenable Nessus, Patch Management, Splunk
- **Published:** November 13, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9311390/senior-information-systems-security-officer-isso-cloud

## About the Role

* Minimum 7 years of experience as an ISSO at a cleared facility.
 * Minimum 9 years of work experience in a computer science or cybersecurity-related field.
 * Familiarity with Tenable Nessus/Security Center, Splunk, IBM Guardium, HP WebInspect, NMAP, or similar security applications.
 * Must possess at least one of the following certifications:
 + CISM
 + CISSO
 + CISSP, * Bachelor's and/or advanced degree in Computer Science, Business Management, IT, or a related discipline preferred.

Clearance: Top Secret; specific assignments may require TS/SCI eligibility and a polygraph.

## Description

At AIS, we are dedicated to providing our employees with diverse opportunities to grow their careers while supporting a variety of impactful projects. For this position, we are seeking a talented individual to join AIS as a Senior Security Engineer.

 * Core Knowledge & Skills: Designs secure architectures, leverages advanced threat detection, leads incident response, and implements security automation.
 * Work & Complexity: Manages complex incidents, conducts threat analysis, leads audits, and implements process improvements.
 * Quality & Independence: Delivers high-quality reports, aligns practices with industry standards, and operates with high autonomy.
 * Teamwork & Communication: Leads team projects, collaborates cross-functionally, mentors juniors, and resolves conflicts.
 * Consulting & Engagement: Provides strategic consulting, leads improvement initiatives, recommends advanced technologies, and manages vendor relationships., The Senior ISSO - Cloud provides security and authorization support for cloud-hosted information systems and serves as a project lead for systems requiring specialized cloud expertise. The position supports system owners throughout the security lifecycle and ensures ISSO responsibilities are covered for cloud-hosted systems., * Serve as Project Lead for systems requiring specialized cloud-security expertise.
 * Perform ISSO responsibilities for cloud-hosted information systems as needed.
 * Support documentation, testing, and ongoing assessment of system security controls.
 * Ensure cloud systems are appropriately scoped and technology components are accurately inventoried.
 * Document implementation of required security controls.
 * Support RMF and SAA activities throughout the system lifecycle.
 * Support development and maintenance of ATO packages and authorization documentation.
 * Maintain continuous monitoring activities and support vulnerability and patch management.
 * Maintain required RMF artifacts, POA&Ms, system boundary documentation, diagrams, and inventories.
 * Coordinate with system owners and technical teams to address security risks and maintain compliant system authorization.