Linux Engineer

Job Description

At Cloudflare, we're on a mission to help build a better Internet. We're looking for Linux engineers to make our flavour of Linux fast, resilient and reliable across the many use cases that a distribution saving the Internet requires.

Responsibilities

• Keep Cloudflare Linux platforms secure and up-to-date
• Help with quick and safe deployment and delivery of the Linux kernel and basic operating system to Cloudflare Datacenters in more than 335 cities in over 100 countries
• Continuously monitor and resolve kernel bugs and performance regressions
• Design tools and frameworks for other engineering teams to successfully embrace and enable the latest Linux kernel features and optimizations
• Help porting the Cloudflare software stack to new hardware platforms and architectures
• Research and adopt the latest Linux kernel security features and performance improvements
• Build tools and CI/CD pipelines for safe and automated operating system continuous deployment

Requirements

• Experience with the Linux kernel and Linux software packaging
• CS fundamentals and comfortable working in multiple programming languages and codebases; Comfortable working in Go, Rust, C, Bash, and Python.
• Familiarity with constructing and using eBPF programs.
• Understanding of Linux and POSIX operation systems concepts: processing, files, syscalls, and networking
• Containerization technologies in Linux (e.g Docker, Namespaces, Cgroups)
• Configuration management (e.g Saltstack, Chef) and CI/CD pipelines
• Version control systems (git)

Nice to Have

• Performance analysis and debugging
• Time series databases such as OpenTSDB, Graphite, Prometheus or Grafana
• Key/Value stores
• Network fundamentals DHCP, ARP, subnetting, routing, firewalls, IPv6, BGP
• Experience in a DevOps team structure
• Experience with programming in C, Rust, Go, or similar languages
• Experience with rapid release engineering
• Upstream community contribution
• Strong tooling and automation development experience