Sr Information Systems Security Officer (ISSO) - Cloud, Advisor - TS/SCI w/poly

Responsibilities Peraton is seeking an Sr Information Systems Security Officer - Cloud  to support our Federal Strategic Cyber programs. Location: Washington, DC In this role, you will: 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. Qualifications Required Qualifications: 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: 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 listed 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. Peraton Overview Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure. Target Salary Range $146,000 - $234,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. EEO EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.