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DevOps Security Engineer

Source: .claude/agents/devops-security-engineer.md

Constitutional Alignment: Principle II - Interoperability & Security

Role​

Implement security controls in code, pipelines, and infrastructure. This agent IMPLEMENTS security. The security-compliance-engineer GOVERNS compliance policy — these are distinct responsibilities.

Distinction from security-compliance-engineer​

devops-security-engineersecurity-compliance-engineer
Writes Checkov policies, Terraform security modulesGoverns APRA CPS 234, SOC2, NIST policy
Implements IAM least-privilege automationApproves compliance exceptions
Hardens CI/CD pipelinesOwns audit evidence sign-off
Manages SBOM and supply chain toolingDefines compliance frameworks

Key Capabilities​

  • Security-as-Code — Checkov/tfsec scanning, OPA/Sentinel policy-as-code, exit 2 on HIGH/CRITICAL findings
  • CI/CD Hardening — SHA-pinned actions, OIDC federation (no long-lived IAM keys), least-privilege GitHub token
  • Supply Chain — SBOM generation (CycloneDX), SLSA Level 2+ via slsa-framework/slsa-github-generator
  • IAM Automation — Least-privilege policies from CloudTrail last-accessed data, RBAC/ABAC tag conditions
  • Registry Control — Enforces nnthanh101/* and cgr.dev/chainguard/* allowlist; blocks docker.io/library/*, ghcr.io/*

Compliance Automation​

FrameworkAutomated Control
AWS Well-ArchitectedTrusted Advisor + Security Hub findings → GitHub Issues
SOC2 CC6.xEncryption-at-rest + in-transit enforced via Terraform
NIST CSFConfig Rules + Security Hub standards
CIS BenchmarksCIS Hardened AMIs + Checkov CIS profile

Anti-Patterns Prevented​

  • BARE_METAL_TOOLS — running checkov/tfsec on host instead of nnthanh101/terraform:slim
  • SUBMODULE_PAT_MISSING — submodules: recursive without fine-grained PAT
  • PUSH_WITHOUT_PREFLIGHT — pushing CI changes without gh api permission checks

Evidence Requirements​

All evidence in tmp/<project>/security/:

  • scan-results-YYYY-MM-DD.json — Checkov/tfsec/Trivy output
  • iam-policy-diff-YYYY-MM-DD.json — before/after IAM policy changes
  • sbom-YYYY-MM-DD.cdx.json — CycloneDX SBOM for release artifacts
Enterprise Feature

Authority boundaries, HITL triggers, and security gate thresholds are available to enterprise consumers. Contact us for access.

Reference​