Systems Engineer, Metrics and Alerting

Available Locations: London or Lisbon
About the Department
Production Engineering is responsible for the world's most reliable, observable, performant, and safe network ecosystem. Our customers rely on our products and systems to safely modify, troubleshoot, and release products without external impact.
Our external customers rely on us to provide seamless and predictable incident, traffic, policy management, resulting in the fastest and safest network services in the world.
We are accountable for the overall performance of internal and external facing services, guiding our product teams to optimal configurations and maximum efficiency. From the moment that a packet enters the Cloudflare ecosystem, we know exactly what its expected purpose and behaviour is and we are capable of determining and exposing anomalous behaviour.
The Cloudflare network makes it possible to solve challenges at massive scale and efficiency which would be impossible for almost any other organization.
In this role, you can expect to:

• Design, deliver, and operate software that progresses Cloudflare's Observability competency
• Solve scaling bottlenecks in critical services in our Metrics & Alerting pipeline
• Work on highly distributed and scalable systems
• Participate in the constant cycle of knowledge sharing and mentoring
• Participate in the global on-call rotation for the services your team owns
• Research and introduce cutting-edge technologies
• Contribute to open-source

We are a small team, well-funded, growing and focused on building an extraordinary company. This is a systems engineering role and is a superb opportunity to be part of a high performing team to help to support Cloudflare's mission and help build a better internet.
You may be a good fit for our team if you have:

• Proficiency in distributed Linux environments
• Proficiency in designing high-scale distributed systems
• Proficiency in high-level programming languages (e.g., Golang)
• Proficiency in Prometheus, Alertmanager, Thanos
• Proficiency in networking protocols Layer 2-7 of the OSI model
• Experience working in a fast, high-growth environment
• Experience working in a 24/7/365 service environment
• Exquisite written and verbal communication skills
• Familiarity with Internetworking and BGP
• Strong bias for action

Bonus points if you have:

• Experience with high-bandwidth transit Internetworking and routing
• Passion for code simplicity and performance