CareerPlan

Systems Reliability Engineer - Core

HybridFull-time2026-10-28 → 2026-11-10
Hybrid

Core

Architect, scale, and operate distributed infrastructure powering global server fleets to ensure high availability, low latency, and horizontal scalability.

Role type

Senior Systems Reliability Engineer (Core Platform)

Builds

Private cloud infrastructure, deployment tools, and operational frameworks for Cloudflare's global network.

Domain

Internet infrastructure, distributed systems, cloud operations

Required skills

Linux/Unix internals, distributed systems architecture, systems programming (Go/Rust/C++/Python), networking protocols (TCP/IP, DNS, BGP), infrastructure-as-code, automation frameworks, capacity planning, troubleshooting complex failures

Preferred skills

Kubernetes, container orchestration, CI/CD pipelines, open-source contributions, AI/LLM tooling

Technologies

Kubernetes, Postgres, PgBouncer, Stolon, Kafka, Zookeeper, Ceph, Rook, Vault, Consul, Etcd, Temporal

Responsibilities

Architect and maintain robust distributed systems; optimize kernel and network stacks; build internal automation tools; participate in architecture reviews and capacity planning; collaborate with Security and Network Engineering teams.

Seniority

Senior, hands-on IC