CDN & Edge Infrastructure Engineer (or) Cloud migration
Duration: long-term
Location: Dallas, TX
Job Description:
CDN & Edge Migration
- 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 behavior post-migration using synthetic and load testing tools.
r (IaC) & Automation
- 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.
DNS & Traffic Management
- Establish and manage DNS Hosted Zones in Cloudflare, including domain delegation, CNAME/ALIAS flattening, and traffic routing policies.
- Implement Geo-DNS and failover routing for critical Smart TV and mobile backend endpoints.
- Automate DNS record management and zone imports using Cloudflare Terraform Provider.
- Migrate existing Route53 records and health checks into Cloudflare equivalents with rollback safety.
Performance, Security & Observability
- 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.
Collaboration & Delivery
- 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\' post-migration.
Required Qualifications:
- 5+ years of experience in CDN engineering, edge networking, or cloud migration roles.
- Proven hands-on experience with:
· 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.
Preferred Skills:
- Experience with Wrangler CLI, Cloudflare Pages/Workers KV, or Durable Objects.
- Familiarity with Smart TV and OTT content delivery, media streaming (HLS/DASH), and low-latency edge delivery.
- Understanding multi-CDN architectures and global failover routing.
Certifications:
· Terraform Associate (Hashi Corp Certified)
· Cloudflare Certified Performance & Security Specialist
· AWS Solutions Architect or DevOps Engineer
Soft Skills:
- Strong analytical mindset with an eye for latency and cost optimization.
- Excellent collaboration and communication across cross-functional cloud and product teams.
- Hands-on problem solver who thrives in migration and modernization programs.
- Detail-oriented documentation and disciplined infrastructure governance
Education:
- Bachelor\'s or Master’s degree in Computer Science, Computer or Electrical Engineering, Mathematics, or a related field.
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