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# AWS Cloud Cybersecurity Engineer - Defense

- **Company:** Leidos, Inc.
- **Location:** Bedford, MA, United States
- **Experience:** Expert
- **Salary:** $165,000 - $188,000
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Cloud Computing, Cloud Computing Security, Aws Command Line Interface (CLI), Ansible, Zero Trust Network Access, Infrastructure Automation Frameworks, Nessus, Opsworks, Plan of Action and Milestones
- **Published:** November 10, 2026
- **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=3062376248-2

## About the Role

* AWS security engineering
 * Do
 * D RMF and ATOVulnerability management (ACAS/Nessus)
 * AWS security services (Cloud
 * Trail, Config, Guard
 * Duty, Security Hub, Inspector)
 * DISA STIG implementation and remediation
 * Infrastructure automation (Ansible, AWS CLI)
 * Continuous monitoring and compliance reporting
 * USAF / Do
 * D cloud security standards (SCCA, Cloud Computing SRG)
 * Zero Trust Architecture concepts
 * Technical security documentation and POA&M management

## Description

The Senior AWS Cyber Engineer secures and sustains USAF Cloud One AWS SIPRNet environments. The role focuses on designing and operating cybersecurity controls, leading RMF and ATO activities, and maintaining compliance with DoD and USAF security requirements. You will run vulnerability and compliance tools, monitor AWS security services, document POA&Ms and authorizations, coordinate remediation, and brief stakeholders, while mentoring junior engineers in a highly regulated cloud setting., * Design, configure, operate, and maintain cybersecurity controls and ATO accreditations for AWS SIPRNet environments.

 * Serve as cybersecurity SME for system design, builds, and RMF/ATO efforts across Cloud One stakeholders.
 * Operate and tune ACAS/Nessus, AWS Inspector, Security Hub, and related tools to detect vulnerabilities and misconfigurations.
 * Monitor Cloud
 * Trail, AWS Config, Guard
 * Duty, and related services to identify and investigate security events.
 * Develop and maintain RMF documentation, POA&Ms, STIG checklists, and vulnerability reports for authorization packages.
 * Implement continuous monitoring, automated scanning, and reporting to demonstrate compliance with Do
 * D and USAF policies.
 * Verify patch and STIG compliance, coordinate remediation, and track closure of vulnerabilities.
 * Mentor junior engineers and participate in customer briefings on cybersecurity posture and risk.