Principal Site Reliability Engineer (Fastly, Cloudflare/Akamai)
HybridChennai, Tamil Nadu, India
Job Summary
Deliver world-class availability and performance for Gartner's digital platforms by establishing multi-CDN architecture patterns, traffic-steering strategies, and failover mechanisms to achieve five-nines availability. Lead CDN incident response, disaster recovery exercises, and capacity planning while partnering with Security and Application teams to optimize edge security, DDoS protection, and bot management. Build Infrastructure as Code solutions for governance and observability, design global traffic management policies, and implement edge-computing solutions using Cloudflare Workers or Lambda@Edge. Define and monitor SLOs, SLIs, and KPIs, automate manual operational work, and drive system design consulting for launch reviews. Participate in on-call rotations and chaos engineering practices to improve resilience.
Required Qualifications
- Expert knowledge of one or two enterprise CDN platforms, including Fastly, Cloudflare, CloudFront, Akamai, or equivalent technologies, with hands-on experience designing, operating, and optimizing multi-CDN environments
- Experience implementing multi-CDN routing and failover solutions using DNS, GSLB, traffic management platforms, or real-user-performance (RUM) driven traffic steering
- Experience in managing large-scale CDN platforms using Terraform/OpenTofu, CI/CD pipelines, or provider specific automation frameworks such as Fastly VCL, Cloudflare APIs or equivalent
- Experience with CI/CD pipeline governance, code promotions, and Infrastructure-as-Code best practices to enable consistent, automated deployments across environments
- Expertise in CDN observability, performance analytics, log analysis, and troubleshooting user experience issues across global regions and internet service providers
- Strong understanding of edge security services including WAF, bot mitigation, DDoS protection, rate limiting, and zero-trust access controls
- Exceptional analytical and problem-solving skills, coupled with strong verbal and written communication capabilities
- Bachelor's degree in Computer Science, or related discipline, or equivalent work experience
- 8+ years of information technology experience with 6+ years working on DevOps/SRE team or similar with focus on CDN
- Knowledge of Agile approaches to software development and ability to put key Agile principles into practice to deliver solutions incrementally
- Excellent analytical thinking, interpersonal, oral, and written communication skills with strong ability to influence both IT and business partners
- Ability to prioritize and manage work to critical project timelines in a fast-paced environment
- Demonstrated experience in people management, team leadership, and fostering a positive team culture
- Proficient in Operating Systems (UNIX/Linux) & networking concepts
Desired Qualifications
- Demonstrated ability to adapt to changing priorities and technologies, with a strong commitment to continuous learning and professional development
- Experience in collaborating with Development, Cloud and Architecture teams or other relevant teams to conduct RCA, drive mission critical initiatives
- Experience building Cloudflare Workers and snippets, AWS Lambda@Edge functions, Fastly VCL, and Fastly Compute solutions
- Experience with client-side technologies such as NodeJS, JavaScript, React JQuery and utilizing CDN features to improve UI performance
- Hands-on experience creating ACM certificates in Fastly, Cloudflare, or AWS
- Exposure with monitoring tools like Splunk, Grafana and APM tools such as Dynatrace, or equivalent
- Exposure to Performance & chaos Engineering concepts
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