In short
In the dynamic landscape of On, our technology thrives much like a spirited runner: always moving, always improving. We are building the foundation that allows our engineering organization to scale, innovate, and deliver “Wow” to athletes worldwide. To power this mission, we are seeking a Senior Site Reliability Engineer (SRE) – Edge who understands that reliability, security, and performance start at the transport layer. You won’t just manage a CDN; you will own the architecture and performance of our global entry points, including our Apollo GraphQL API Gateway. You will leverage expert‑level knowledge of HTTP/S, TCP, and DNS to optimize for global throughput. This is a hands‑on senior role where you will troubleshoot advanced network bottlenecks, design our future content delivery strategy, and act as the technical authority for our Web Application Firewall (WAF), bot mitigation, and standardized service authentication.
Your Story
- Networking & Gateway Authority: You have a deep understanding of the OSI model and experience managing API Gateways (specifically Apollo GraphQL). You understand how to optimize the “supergraph” for performance at the edge.
- Edge & Security Specialist: Proven experience managing high‑traffic CDN architectures (Cloudflare preferred) and a strong grasp of modern security protocols like OIDC, OAuth2, and JWT for standardizing service access.
- Infrastructure Security: You have experience implementing “Zero Trust” architectures and managing private network connectivity to isolate internal environments from public exposure.
- Cloud Native: You are comfortable in modern cloud environments (GCP/AWS) and have experience with Kubernetes (GKE), service mesh networking, and ingress controllers.
- Automation First: You believe that manual changes are technical debt. You are proficient in Terraform and familiar with CI/CD workflows (GitHub Actions) for deploying networking changes safely.
- Collaborative Leader: You enjoy working across teams (Security, DevEx, and Product) to solve horizontal problems. You can translate complex networking and auth concepts into actionable insights for non‑experts.
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