Senior ISSE: RMF & Cloud Security Architect

Amazon Jobs; Arlington (VA); On-site; USD 178,000 - 227,000; Full time

Benefits offered by this job

Health insurance

401(k) matching

Paid time off

Parental leave

Job summary

Amazon Leo is seeking a Senior Information Systems Security Engineer (ISSE) to raise the security bar for a portfolio of classified national security systems. You will own security across the full system lifecycle.

The ideal candidate has hands-on knowledge of operating systems, networks, cloud and virtualization, identity, logging, vulnerability management, cryptography, and RMF for classified systems, plus US Citizenship and an active TS/SCI clearance.

Qualifications

• US Citizenship with active TS/SCI clearance required.
• Hands-on experience across OS, networks, cloud, identity, logging, vulnerability management, cryptography and secure architecture.
• Strong mastery of RMF for classified systems.
• Experience securing AWS or other cloud platforms in regulated environments.
• Ability to lead security architecture reviews and mentor engineers.

Responsibilities

• Own end-to-end security engineering for multiple concurrent classified systems and enclaves.
• Lead system security architecture and design reviews with focus on on-premises, cloud, and hybrid environments.
• Drive RMF activities through authorization and continuous monitoring.
• Develop authorization evidence and artifacts (SSPs, control mappings, diagrams, inventories, tests).
• Collaborate with owners, ISSMs/ISSOs, architects, admins, and assessors to resolve findings and risk decisions.
• Engineer and validate secure configurations per government standards and baselines.
• Lead investigations of vulnerabilities and incidents, define containment and remediation.
• Build automation, templates, dashboards to reduce manual effort and improve evidence quality.
• Document security trade-offs and mentor engineers on security standards.

Skills

Security engineering

RMF expertise

Cloud security

Threat modeling

Python scripting

Automation

Leadership

Mentoring

Vulnerability assessment

Compliance documentation

Job description

Amazon Leo is seeking a Senior Information Systems Security Engineer (ISSE) to raise the security bar for a portfolio of classified national security systems. You will own security across the full system lifecycle.

The ideal candidate has hands-on knowledge of operating systems, networks, cloud and virtualization, identity, logging, vulnerability management, cryptography, and RMF for classified systems, plus US Citizenship and an active TS/SCI clearance.