Senior Site Reliability Engineer — CDN Infrastructure

About the Role

We're looking for a Senior SRE with 5+ years of experience to help operate and evolve

the infrastructure behind our CDN — from the baremetal edge nodes serving traffic, to

the Kubernetes-based control plane, to the observability and data pipelines that tell us

what's actually happening on the network. You'll work across the full stack: provisioning

and configuration management, CI/CD, Kubernetes, and the logging/monitoring systems

that let us catch problems before customers do.

This is a hands-on, senior individual-contributor role for someone who's comfortable

moving between low-level networking debugging and higher-level platform/infra

automation, and who can drive decisions with less oversight.

Operate and maintain our fleet of self-managed baremetal edge servers, using

SaltStack (or Ansible) for configuration management and automation

Manage and improve our managed Kubernetes cluster, deploying and maintaining

services via Helm

Build and maintain CI/CD pipelines (GitHub Actions) for infrastructure and service

deployments

Own and extend observability tooling — Prometheus, Grafana, Alertmanager, and

distributed tracing with Grafana Tempo

Maintain and query ClickHouse at scale — millions of rows ingested daily, with a

focus on schema design and low-latency query tuning

Manage cloud service configuration as code using Terraform

Diagnose and resolve issues across the stack — from DNS resolution and

BGP/routing anomalies to TCP/IP-level performance regressions and applicationWhat

You'll Need

Requirements

What You'll Need

role

Deep understanding of networking fundamentals — DNS, TCP/IP, and CDN concepts

(caching, routing, anycast, edge delivery) — you should be comfortable reading a

packet capture or debugging a DNS resolution chain

Solid experience operating Linux systems in production, including self-managed

baremetal infrastructure

Hands-on experience with configuration management tools — SaltStack or Ansible

Experience with Kubernetes in production, including deploying and managing

services via Helm

Experience building CI/CD pipelines, ideally with GitHub Actions

Working knowledge of Terraform or similar IaC tools

Practical experience with Prometheus, Grafana, and Alertmanager for monitoring and

alerting; familiarity with distributed tracing (Grafana Tempo or similar)

Ability to write code in Go or Python for automation, tooling, or internal services

Strong debugging skills across layers — from kernel/network to application to

infrastructure automation

Good communication skills and comfort working in a small, high-ownership team

Nice to Have

Experience with BGP / anycast routing in a production CDN or network operator

context

Experience with ClickHouse or another columnar/analytical database at scale

Experience with Kafka/Redpanda or similar streaming systems for log/data pipelines

Prior experience at a CDN, ISP, hosting provider, or similar network-heavy operator

Experience with GitOps workflows (ArgoCD or similar)