> Markdown version of [/jobs/ext/4705845-senior-information-systems-security-officer-isso-cloud-advisor-ts-sci-w-poly](https://www.wearedevelopers.com/jobs/ext/4705845-senior-information-systems-security-officer-isso-cloud-advisor-ts-sci-w-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Information Systems Security Officer (ISSO) - Cloud, Advisor - TS/SCI w/poly - **Company:** Peraton Inc - **Location:** Huntsville, AL, United States - **Experience:** Expert - **Salary:** $146,000 - $234,000 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Cloud Computing, Cloud Computing Security, Cyber Security, Information Systems, Information Systems Security Architecture Professional, Nmap, Software Engineering, HP WebInspect, Information Technology, Tenable Nessus, Splunk - **Published:** November 13, 2026 - **Apply:** https://www.careerboard.com/us/en/find-jobs-in-United-States/-34F99DFA079285964A/ ## About the Role * Bachelor's degree in Computer Science, Business Management, or IT related discipline. * Minimum of 9 years of work experience in a Computer Science or Cybersecurity related field with at least 7 of those years serving as an Information Systems Security Officer (ISSO) at a cleared facility. * Must have at least 1 of the following certifications: CISSP, GISP, or CASP+/SecurityX + In addition, must have one cloud certification: o AWS Security Specialty, CCSP, AWS SA Associate, AZ-500, or Google Professional Cloud Security Engineer * Must meet DoD 8140.03 Advanced proficiency aligned to Information Systems Security Manager (Work Role 722). Must have at least 1 of the following certifications or advanced education from the list below: + CISM - Certified Information Security Manager + CISSP - Certified Information Systems Security Professional + CISSP-ISSMP - Certified Information Systems Security Professional - Information Systems Security Management Professional + FITSP-M - Federal IT Security Professional-Manager-NG + GCIA - GIAC Certified Intrusion Analyst + GCIH - GIAC Certified Incident Handler + GICSP - Global Industrial Cyber Security Professional + GSLC - GIAC Security Leadership Certification + Doctorate - Computer Science + Doctorate - Cybersecurity + Doctorate - Data Science + Doctorate - Information Systems + Doctorate - Information Technology + Doctorate - Software Engineering + Master of Science - Strategic Information and Cyberspace Studies (NDU CIC) + Masters - Computer Science + Masters - Cybersecurity + Masters - Data Science + Masters - Information Systems + Masters - Information Technology + Masters - Software Engineering * Familiarity with the use and operation of security tools including Tenable Nessus and/or Security Center, Splunk, IBM Guardium, HP Web Inspect, Network Mapper (NMAP), and/or similar applications. * Active TS/SCI security clearance with the ability to obtain a polygraph. ## Description * Guide system categorization efforts to ensure all information systems are appropriately classified based on mission/business impact and regulatory requirements. * Advise on the selection, tailoring, and documentation of security controls aligned with system categorizations, risk appetite, and compliance requirements. * Oversee the implementation of technical, operational, and management controls throughout system and application lifecycles, with a particular focus on quality and completeness of all deliverables. * Ensure comprehensive security control assessments are planned, executed, and documented to validate the effectiveness of implemented safeguards. * Prepare risk management documentation for system authorization and executive decision-making. * Direct ongoing monitoring and continuous assessment activities, collecting metrics to adjust security strategies and ensure sustained compliance. * Serve as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts. * Foster a culture of security awareness, providing technical guidance and training to both team members and stakeholders. * Track, report, and communicate status, risks, and improvement opportunities related to security engineering activities to leadership and stakeholders. * Maintain up-to-date knowledge of RMF, NIST guidance, and industry best practices in support of continuous process improvement.