CDN & Edge Infrastructure Engineer IRC280788

Hitachi-posted 24 days ago
Full-time • Mid Level
Dallas, TX
5,001-10,000 employees
Professional, Scientific, and Technical Services
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Lead the refactoring of AWS CloudFront-based IaC (Terraform, CloudFormation) into Cloudflare IaC modules using Terraform or Wrangler. Migrate and optimize AWS CloudFront distributions to Cloudflare CDN with equivalent or improved caching, compression, and SSL/TLS configurations. Recreate and enhance AWS WAF rules in Cloudflare WAF, ensuring parity for rate limits, geo-blocking, and custom rule groups via Terraform. Translate and deploy AWS Lambda@Edge functions into Cloudflare Workers / Edge Functions, ensuring functional equivalence and latency improvements. Validate edge routing, caching, and security behaviour post-migration using synthetic and load testing tools.

  • Maintain all configurations in Git-based IaC repositories with full CI/CD automation for deployments.
  • Develop reusable Terraform modules for Cloudflare CDN, WAF & DNS zones.
  • Implement environment-based configuration (Dev, Stage, Prod) with variable management, tagging, and policy enforcement.
  • Integrate IaC validation, linting, and compliance checks (e.g., Sentinel or OPA) into pipelines.
  • Establish and manage DNS Hosted Zones in Cloudflare, including domain delegation, CNAME/ALIAS flattening, and traffic routing policies.
  • Automate DNS record management and zone imports using Cloudflare Terraform Provider.
  • Migrate existing Route53 records and health checks into Cloudflare equivalents with rollback safety.
  • Tune CDN caching policies (cache keys, TTLs, origin shielding) to optimize global performance.
  • Integrate Cloudflare WAF, Bot Management, and Page Rules to ensure secure delivery of APIs and content endpoints.
  • Configure Real User Monitoring (RUM) and Cloudflare Analytics dashboards for performance visibility.
  • Implement Zero Trust principles (Access, Gateway, and DLP) for edge security enforcement.
  • Collaborate with DevOps, backend, and application teams to align CDN behavior with app logic and API routing.
  • Document migration processes, edge routing flows, and IaC module usage.
  • Conduct knowledge transfer sessions for operational and support teams after migration.
  • 5+ years of experience in CDN engineering, edge networking, or cloud migration roles.
  • AWS CloudFront, WAF, Lambda@Edge
  • Cloudflare CDN, WAF, Workers, Zero Trust Access
  • Terraform / Terragrunt for IaC (Cloudflare and AWS providers)
  • CI/CD systems (GitHub Actions, Jenkins, or GitLab CI)
  • Solid understanding of DNS architecture, SSL/TLS, caching strategies, and edge routing.
  • Experience in IaC-driven automation, testing, and deployment at scale.
  • Culture of caring.
  • Learning and development.
  • Interesting & meaningful work.
  • Balance and flexibility.
  • High-trust organization.
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