> Markdown version of [/jobs/ext/2172765-information-systems-security-engineer-isse-sme-cloud-based-senior-advisor](https://www.wearedevelopers.com/jobs/ext/2172765-information-systems-security-engineer-isse-sme-cloud-based-senior-advisor). 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). --- # Information Systems Security Engineer (ISSE) - SME/Cloud-based, Senior Advisor - - **Company:** Peraton Inc - **Location:** Washington, DC, United States - **Experience:** Expert - **Salary:** $176,000.0 - $282,000.0 - **Contract:** Permanent contract - **Skills:** Cloud Computing, Cyber Security, Information Systems, Information Systems Security Architecture Professional, Information Systems Security Engineering Professional, Software Engineering, Information Technology - **Published:** August 21, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/88097038/1 ## About the Role * 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 OR + 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 * Active TS/SCI security clearance is required with the ability to obtain a polygraph. ## Description Peraton is seeking an Information Systems Security Engineer - Subject Matter Expert (SME)/Cloud-based to support its Federal Strategic Cyber programs., 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. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Green Cloud Computing](https://www.wearedevelopers.com/videos/592-green-cloud-computing) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [Microservices? 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