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Senior System Engineer

Lisbon, Portugal💼 Full-time💰 $66,000–$66,000🗓 2026-09-01 → 2026-09-26

Core

Build software solutions to improve network resilience and reduce engineering operational toil for Cloudflare's global network.

Role type

Senior System Engineer (Network Automation & Infrastructure)

Builds

Network automation tools, infrastructure services, and CI/CD pipelines for a global network spanning hundreds of cities.

Domain

Internet Infrastructure / Network Engineering / Distributed Systems

Deliverable

production ML models | product features | infrastructure

Required skills

Linux internals, containerization (Docker, Kubernetes), Infrastructure as Code (IaC), CI/CD automation, Python or Golang, Observability (Prometheus, Grafana, distributed tracing), Systems Design, AI tool usage

Preferred skills

Networking (Layer 2/3, gRPC/gNMI, NETCONF), Configuration management (Ansible, Chef, Saltstack), State-reconciliation systems

Technologies

Docker, Kubernetes, Python, Golang, Prometheus, Grafana, Ansible, Chef, Saltstack, gRPC, NETCONF

Responsibilities

Design reliable, fault-tolerant distributed systems; develop and maintain network automation tools; leverage AI tools to streamline workflows; manage internal and external customer requirements.

Seniority

Senior, hands-on IC

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