Information Systems Security Engineer (ISSE) - SME/Cloud-based, Senior Advisor - TS/SCI w/poly

ResponsibilitiesPeraton is seeking an Information Systems Security Engineer - Subject Matter Expert (SME)/Cloud-based to support its Federal Strategic Cyber programs.Location: National Capital Region (NCR):In this role, you will: Lead, mentor, and supervise a team of contractor security professionals responsible for the end-to-end implementation of the RMF lifecycle for FBI IT systems. Oversee and coordinate activities within the Prepare step, ensuring roles, responsibilities, and risk management strategies are clearly defined and maintained. 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, Bureau 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. #SCOR43QualificationsRequired: Bachelor’s degree and 12 years of experience in secure design, analysis, and test of information security systems and products.Minimum of 10 years of experience applying methods, standards and approaches for ensuring the baseline security safeguards are appropriately implemented and documented.Minimum of 10 years of experience creating and updating security test plans for detecting and mitigating risk to information systems.Must have at least 1 of the following certifications OR advanced degree from the list below:CCNP Enterprise, CISM, CISSP-ISSAP, CISSP-ISSEP, GCIA, GDSA, GICSP ORDoctorate - Computer ScienceDoctorate – CybersecurityDoctorate - Data ScienceDoctorate - Information SystemsDoctorate - Information TechnologyDoctorate - Software EngineeringMaster of Science - Strategic Information and Cyberspace Studies (NDU CIC)Masters - Computer ScienceMasters – CybersecurityMasters - Data ScienceMasters - Information SystemsMasters - Information TechnologyMasters - Software EngineeringActive TS/SCI security clearance is required with the ability to obtain a polygraph.Preferred: Cloud certificationBenefits: Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan.Salary Range Estimate:The estimate displayed represents the typical salary range for this position and is just one component of Peraton's total compensation package for employees. Other rewards may include annual bonuses, short- and long-term incentives, and program-specific awards. In addition, Peraton provides a variety of benefits to employees.Peraton OverviewPeraton 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$176,000 - $282,000. 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.EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Job SummaryRequisition ID: 2026-169838Position Category: Information TechnologyClearance: Top Secret/SCI w/Poly