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Cloudflare

Systems Engineer - Data Security

Cloudflare
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hybrid senior full-time

First indexed 9 Oct 2026

Description

About the Role

As a Systems Engineer - Data Security at Cloudflare, you will help build and maintain Data Security products. These products empower customers to gain deep visibility into Cloud/SaaS security opportunities and into trends in their network traffic and product use.

Responsibilities

  • Building new functionality into APIs and distributed code while ensuring performance and reliability of services that ingest millions of data points each day
  • Working with a team of bright, knowledge-seeking engineers who are focused on solving security and network visibility challenges for customers
  • Utilizing technologies such as Go, Python, Typescript, Kubernetes, Cloudflare Workers, AWS, GCP, Azure, Postgres, Redis, Kafka, Prometheus, Grafana, Elasticsearch, Kibana, Clickhouse, and BigQuery

Requirements

  • 3+ years of professional experience building and managing reliable and performant software systems at scale
  • Experience with technologies like Go, Python, Postgres
  • Excellent debugging and optimization skills
  • Strong interpersonal and communication skills
  • Passion for making the digital world a more secure place

Nice to Have

  • Frontend programming experience in Typescript/Javascript
  • Previous experience working with third-party API integrations
  • Previous experience working on security products

What Makes Cloudflare Special?

  • Project Galileo: equipping journalism and civil society organizations with tools to defend against attacks
  • Athenian Project: providing high-level protection and reliability for state and local government election websites
  • 1.1.1.1: a faster, more secure, and privacy-centric public DNS resolver

Benefits

  • Opportunities for growth and development in a highly ambitious, large-scale technology company
  • Collaborative and dynamic work environment
  • Recognition and rewards for outstanding performance
This listing is enriched and indexed by YubHub. To apply, use the employer's original posting: https://job-boards.greenhouse.io/cloudflare/jobs/8257140