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Federal Senior Cloud Security Engineer

Horizon3

full-remoteseniorpermanentsecuritydevops Full remote Today via WTTJ

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Tags

AWSAWS GovCloudCloud SecurityTerraformGitLab CI/CDIAMNISTCISMITRE ATT&CKIncident Response

About the role

Role overview

As a Federal Senior Cloud Security Engineer, you will analyze, design, configure, implement, and validate security solutions for AWS GovCloud. You will partner with federal/security leadership and engineering teams to ensure a secure and compliant cloud architecture.

Key missions

  • Security engineering for AWS GovCloud: analyze, design, configure, implement, and validate security solutions.
  • Guardrails & detection: develop security guardrails, automate threat detection, and manage the end-to-end security lifecycle within the CI/CD pipeline.
  • Security controls across AWS: design and implement controls covering:
    • AWS IAM and IAM policies
    • SCPs
    • VPC security
    • S3 bucket policies
    • Key management

Requirements

  • AWS expertise and security architecture knowledge across AWS services.
  • Security framework fluency: familiarity with NIST, CIS, and MITRE ATT&CK.
  • Analytical & incident-focused skills: log processing, event analysis, and incident management.
  • Automation: in-depth knowledge of Terraform and GitLab CI/CD strategies.
  • Communication: strong verbal and written skills; ability to explain technical concepts to non-technical stakeholders.
  • Experience: minimum 5 years securing AWS environments and 5+ years general cybersecurity experience.
  • Certifications: AWS Certified Security (specialty preferred); CISSP or related certifications preferred.
  • Authorization/clearance: must be authorized to work in the U.S. and pass a criminal background check; U.S. Government Security Clearance is a plus.
  • Education: Bachelor’s in Computer Science or Cybersecurity; military service equivalent accepted.

Nice to haves

  • U.S. Government Security Clearance.

About Horizon3

Horizon3 (H3) is a cybersecurity company focused on securing cloud and enterprise environments. The role described is centered on designing and implementing security solutions for AWS GovCloud infrastructure, working closely with federal operations and security leadership.

Scraped 7/30/2026