Systems Reliability Engineer - Hardware Platforms (Lisbon)
Lisbon, Portugal
há 1 dia

About the department

The Core Metal Team will be the Hardware team's primary point of contact for new hardware specifications and working together to evaluate new hardware.

The Hardware team will be our point of contact for escalations to the hardware manufacturers and specific requirements for hardware orders (BIOS settings, firmware versions, DMI information).

We will also work toward the eventual goal of having the manufacturers run our acceptance test suite prior to delivering hardware

What you'll do

An engineering role at Cloudflare provides an opportunity to address some big challenges, at scale. We believe that with our talented team, we can solve some of the biggest security, reliability and performance problems facing the Internet. Just how big?

  • We have in excess of 42 Terabits of network transit capacity
  • We operate data centers in more than 200 cities in over 100 countries
  • We serve 18 million HTTP requests per second on average, with more than 22 million HTTP requests per second at peak
  • Interconnects with over 8,800 networks globally, including major ISPs, cloud services, and enterprises
  • Anytime we push code, it affects over 200 million internet users
  • More than 1 billion unique IP addresses pass through Cloudflare's network every day
  • We are looking for talented Systems Reliability Engineers to build and operate the platform which makes Cloudflare customers place their trust in us.

    Our SREs come from a variety of technical backgrounds and have built up their knowledge working in different environments.

    But the common factors across all of our reliability-focused engineers include a passion for automation, scalability, and operational excellence.

    We are still a small team, well-funded, growing quickly and focused on building an extraordinary company. This is a superb opportunity to join a high-performing team and scale our high-growth network as Cloudflare’s business grows.

    You will build tools to constantly improve availability, performance, uptime and response times. You will nurture a passion for an automate everything approach that makes systems failure-resistant and ready-to-scale.

    Cloudflare SREs work in either the Core organization or the Edge organization. This role is within a sub-team of Core SRE which is responsible for hardware and data center infrastructure automation and management, building the layer between the physical infrastructure and the services that Engineering and other SREs uses on a day-to-day basis.

    You will be working from low-level projects (e.g. BIOS, kernel, BMC) to full software development projects (APIs for hardware resource management, provisioning automation, etc) to help manage and scale our infrastructure.

    This is a highly-collaborative role, working closely with other SRE, Software Engineering, Hardware Engineering, Capacity Planning, and Platform teams.

    Strong communication skills are required.

    Examples of desirable skills, knowledge and experience

  • Linux systems administration experience
  • 3 years of relevant Site Reliability Engineering experience
  • Proficient in one or more programming languages and willing to learn new ones when required (Go, Python, and Rust are the primary languages we use)
  • Good understanding of software development fundamentals (e.g. OOP, design patterns)
  • Understanding of network services, including DNS, TLS / SSL,HTTP; fundamentals of DHCP, ARP, subnetting, routing, firewalls, IPv6
  • Experience with the Linux kernel and Linux software packaging
  • Performance analysis and debugging with tools like perf, sar, strace, dtrace
  • Configuration management systems such as Saltstack, Chef, Puppet or Ansible
  • Load balancing and reverse proxies such as Nginx, Varnish, HAProxy, Apache
  • Time series databases (Prometheus, Graphite, Grafana)
  • SQL databases (Postgres or MySQL)
  • Bonus Points

  • Experience with continuous / rapid release engineering
  • Experience working in a 24 / 7 / 365 service environment
  • Experience working in between the hardware and software interfaces
  • Experience automating bare metal hardware at scale (provisioning, diagnosis and remediation, firmware, observability, etc.)
  • Familiarity with data center infrastructure power, cooling, fiber, DCIM
  • Internetworking and BGP
  • Some tools that we use

  • Python, Go, Rust
  • Consul
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