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Senior Systems Engineer - Developer Tooling

Cloudflare· Engineering
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Hybrid (Austin, TX; Lisbon, PT; London, UK)€66k - €91kFull-timePosted 1w ago

About the role

Senior Systems Engineer focused on building and managing developer tooling and platforms to help Cloudflare engineers deploy and operate services securely and efficiently. Combines software engineering and operational responsibilities in a hybrid/remote-friendly role.

Responsibilities

  • Design and build scalable and resilient systems that can keep up with company growth.
  • Design and build developer productivity tooling.
  • Harden the platform against security threats and resource contention issues.
  • Improve our development systems and practices.
  • Improve the efficiency of managing resources such as CPU, bandwidth and storage.
  • Work with application teams to understand their potential challenges and help them choose the best way to architect their systems.
  • Drive initiatives that make our engineers happier and more productive.
  • Help respond and prevent incidents impacting core platforms.

Qualifications

  • Demonstrable professional experience building and managing large-scale distributed systems or Linux production environments.
  • Proficiency in at least one systems programming or scripting language (e.g., Go, Rust, C/C++, Python) with a track record of writing clean, maintainable code.
  • Experience managing containerized workloads at scale using Kubernetes, Docker, or similar orchestration platforms.
  • Experience with CI/CD pipelines and automated testing strategies for infrastructure.
  • Source control experience including branching, merging and rebasing.
  • Strong analytical and troubleshooting skills, with a methodical approach to diagnosing complex system-level failures.

Skills

Required:Distributed systems / Linux production environmentsSystems programming / scriptingContainer orchestrationCI/CD & testing for infrastructureSource controlAnalytical troubleshooting
Last updated Oct 14, 2026. Interested? Apply on the company site.

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