Senior Software Engineer - Kubernetes platform

Cloudflare•San Francisco, CA

About The Position

Cloudflare’s Kubernetes platform team builds and operates purpose-built Kubernetes platforms running on bare-metal Linux across regions worldwide. These platforms support critical internal services, including Cloudflare’s control plane and APIs, data analytics, and tools used to manage its global network. The environment operates at large scale, with tens of thousands of containers and terabits per second of network traffic. As an engineer on the team, you will build tools that help engineers deploy and operate Cloudflare services. The team’s mission is to provide a reliable, flexible platform that enables product teams to release software efficiently and safely. The role combines software engineering with DevOps operational responsibilities. The position is available in Atlanta, Austin, Denver, New York City, San Francisco, Seattle, Washington D.C., and Toronto. Compensation varies by location. The role is eligible for Cloudflare’s equity plan.

Requirements

Experience managing production Kubernetes clusters.
Experience operating on-premise systems at scale in roles such as SRE, systems design, or architecture.
Excellent debugging skills in a Linux environment.
Knowledge of how Linux container runtimes work, including isolation, storage, and networking.
A firm grasp of IP networking, including routing and iptables/nftables.
Ability to work with codebases in Go, TypeScript, and Bash/shell.
Ability to break down complex problems, present options, discuss trade-offs, build consensus, and drive efforts to solve problems.

Nice To Haves

Familiarity with building platforms across multiple zones and regions as a foundation for distributed, highly available applications.
Experience with configuration management frameworks such as SaltStack or Ansible.
Experience with continuous deployment tools such as ArgoCD and Argo Rollouts.
Operational or administrator experience with etcd, Ceph, Rook, KubeVirt, CNIs, ClusterAPI, Envoy, and/or Contour.
Experience using Prometheus, Elasticsearch/Kibana, Vault, Redis, and/or Consul.

Responsibilities

Design scalable and resilient systems that can keep up with company growth.
Work with application teams to understand their needs and challenges, and help them choose architectures that run well in the Kubernetes environment.
Harden the platform against security threats, noisy neighbours, and accidents.
Improve the efficiency of CPU, memory, bandwidth, and storage resource use.
Help respond to, resolve, and prevent incidents impacting the platform or users.
Contribute to the open-source community.

Benefits

Medical/Rx insurance
Dental insurance
Vision insurance
Flexible Spending Accounts
Commuter Spending Accounts
Fertility and family-forming benefits
On-demand mental health support and Employee Assistance Program
Global travel medical insurance
Short- and long-term disability insurance
Life and accident insurance
401(k) Retirement Savings Plan
Employee Stock Participation Plan
Flexible paid time off covering vacation and sick leave
Leave programs, including parental, pregnancy health, medical, and bereavement leave
Equity plan participation