Senior ISSE Advisor: RMF Lead for TS/SCI

Peraton; Quantico (VA); On-site; USD 146,000 - 234,000; Full time

Job summary

Peraton is seeking a Sr Information Systems Security Engineer (ISSE) to lead security engineering for federal programs at Quantico, VA. You will supervise a team, drive the RMF lifecycle, and ensure proper categorization, controls, and continuous assessment across systems and apps.

The role requires a Top Secret/SCI clearance with poly, advanced proficiency per DoD 8140.03, and a strong track record in risk analysis and security control documentation.

Qualifications

• 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 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.

Responsibilities

• Lead, mentor, and supervise a team of contractor security professionals responsible for the end-to-end implementation of the RMF lifecycle for 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, 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.

Skills

TS/SCI with poly clearance

Security architecture

RMF lifecycle

Risk analysis

DoD 8140.03 proficiency

Security Controls documentation

Education

Bachelor's degree

Advanced degree (CS/Cybersecurity/IT)

Master's degree

Job description

Peraton is seeking a Sr Information Systems Security Engineer (ISSE) to lead security engineering for federal programs at Quantico, VA. You will supervise a team, drive the RMF lifecycle, and ensure proper categorization, controls, and continuous assessment across systems and apps.

The role requires a Top Secret/SCI clearance with poly, advanced proficiency per DoD 8140.03, and a strong track record in risk analysis and security control documentation.