CDN & Edge Infrastructure Engineer

Job Responsibilities:

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.

Infrastructure-as-Code (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.
• 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 after 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 media streaming (HLS/DASH), and low-latency edge delivery.
• Understanding multi-CDN architectures and global failover routing.

Certifications:

• Terraform Associate (HashiCorp Certified)
• Cloudflare Certified Performance & Security Specialist
• AWS Solutions Architect or DevOps Engineer

Education:

• Bachelor's or Master s degree in Computer Science, Computer or Electrical Engineering, Mathematics, or a related field.

GlobalLogic estimates the starting pay range for this role to be performed in Dallas, TX ,is $110,000 to $120,000, and reflects base salary only. This pay range is provided as a good-faith estimate, and the amount offered may be higher or lower. GlobalLogic takes many factors into consideration in making an offer, including candidate qualifications, work experience, operational needs, travel and onsite requirements, internal peer equity, prevailing wage, responsibilities, and other market and business considerations.