Team Lead / Information Systems Security Engineer (ISSE) - TS/SCI w/poly

Peraton is seeking a Team Lead / Information Systems Security Engineer to support our Federal Strategic Cyber programs. Location: National Capital Region (NCR) Required Bachelor’s degree and 8+ years of experience in secure design, analysis, and test of information security systems and products. 8+ years of experience applying methods, standards and approaches for ensuring the baseline security safeguards are appropriately implemented and documented. 8+ years of experience creating and updating security test plans for detecting and mitigating risk to information systems. Current, Active Certified Information Systems Security Professional (CISSP) or Certified Ethical Hacker (CEH) certification. U.S. citizenship is required. Active TS/SCI security clearance with ability to obtain a polygraph. Preferred Cloud certifications. 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. #J-18808-Ljbffr