Systems Reliability Engineer (SRE), Edge
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About Us
At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company.
About The Role
We are looking for talented Systems Reliability Engineers to build and operate our Edge platform running in more than 320 cities in over 120 countries. Our SREs come from diverse technical backgrounds and have built up their knowledge working in different environments, but common factors across all of our reliability-focused engineers include a passion for automation, scalability, and operational excellence. We support our services in a “follow the sun” model with offices in East Asia, Europe and North America. This is a superb opportunity to join a high-performing team and scale our high-growth network as Cloudflare’s business grows. We live at the boundary between systems, network, and software, and love improving the glue that holds them together. Working with us, you will build tools to constantly improve service availability, performance, and operational velocity. You will nurture a passion for an “automate everything” approach that makes systems failure resistant and ready to scale. SREs focus on the immediate state and functionality of the Cloudflare platform around the world, leveraging an array of monitoring, alerting and diagnostics tools while developing and enhancing the Cloudflare platform and its capabilities. We own a wide portfolio of applications and services, running a tight feedback loop of developer and operator patterns. The ideal SRE candidate has a passionate curiosity about how the Internet fundamentally works and has a strong knowledge of networking, Linux and TLS along with coding ability in Go or Python. This role may require flexibility to be on‑call outside of standard working hours to address technical issues as needed.
Available Locations: London, UK
Requisite Skills
* Aptitude for identifying problems, owning them and working with others to solve them
* Linux systems experience
* 3 years experience in an SRE role or a role with similar functions
* Software development skills in a programming language such as Go or Python
* Understanding of distributed software systems and large‑scale system design tradeoffs
* Intermediate experience with common network protocols like DNS and HTTP
* Understanding of routing protocols and concepts such as BGP and IP anycast
Examples Of Desirable Skills, Knowledge And Experience
* Experience with the Linux kernel and Linux software packaging
* Performance analysis and debugging
* Configuration management systems such as SaltStack, Chef, Puppet or Ansible
* Load balancing and reverse proxies such as Nginx, Varnish, HAProxy, Squid or Apache
* SQL databases
* Time‑series databases such as OpenTSDB, Graphite, Prometheus or Grafana
* Key/Value stores
Bonus Points
* Experience with continuous / rapid release engineering
* Strong tooling and automation development experience
* Experience working in a 24/7/365 service environment
* Experience working with large‑scale production distributed systems
* A history of contributing to Open Source Software
Some Tools that We Use
* Nginx
* PostgreSQL
* Docker
* Prometheus
* Grafana
* Consul
* Nomad
* Salt
What Makes Cloudflare Special?
We’re not just a highly ambitious, large‑scale technology company. We’re a highly ambitious, large‑scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.
Project Galileo
Since 2014, we’ve equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare’s enterprise customers—at no cost.
Athenian Project
In 2017, we created the Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free, so that their constituents have access to election information and voter registration. Since the project, we’ve provided services to more than 425 local government election websites in 33 states.
1.1.1.1
We released 1.1.1.1 to help fix the foundation of the Internet by building a faster, more secure and privacy‑centric public DNS resolver. This is available publicly for everyone to use—you can trust us never to store client IP addresses or sell user data.
This position may require access to information protected under U.S. export control laws, including the U.S. Export Administration Regulations. Any offer of employment may be conditioned on your authorization to receive software or technology controlled under these U.S. export laws without sponsorship for an export license.
Equal Opportunity Employer
Cloudflare is proud to be an equal‑opportunity employer. We are committed to providing equal employment opportunity for all people and place great value in both diversity and inclusiveness. All qualified applicants will be considered for employment without regard to race, color, religion, sex, gender, gender identity, gender expression, sexual orientation, national origin, ancestry, citizenship, age, physical or mental disability, medical condition, family care status, or any other basis protected by law. We are an AA/Veterans/Disabled Employer.
Cloudflare provides reasonable accommodations to qualified individuals with disabilities. If you require a reasonable accommodation to apply for a job, please contact us via e‑mail at hr@cloudflare.com or via mail at 101 Townsend St. San Francisco, CA 94107.
Seniority Level
Associate
Employment Type
Full‑time
Job Function
IT Services and IT Consulting; Technology; Information and Internet; and Computer and Network Security
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