Cloudflare Logo

Cloudflare

Senior Systems Engineer

Sorry, this job was removed at 10:20 p.m. (GMT) on Friday, Sep 12, 2025
Be an Early Applicant
Hybrid
3 Locations
Hybrid
3 Locations

Similar Jobs at Cloudflare

3 Days Ago
Hybrid
3 Locations
Senior level
Senior level
Cloud • Information Technology • Security • Software • Cybersecurity
Responsible for enhancing developer experience on Durable Objects by building tools and APIs, mentoring engineers, and resolving technical issues.
Top Skills: AWSAzureC++Cloudflare WorkersGCPJavaScriptRustTypescript
10 Days Ago
Hybrid
Austin, TX, USA
Senior level
Senior level
Cloud • Information Technology • Security • Software • Cybersecurity
As a Senior Systems Engineer, you'll address complex system architecture problems, design scalable systems, and ensure code quality within Cloudflare's platform.
Top Skills: C++Go (Golang)JavaRust
8 Days Ago
Hybrid
4 Locations
Senior level
Senior level
Cloud • Information Technology • Security • Software • Cybersecurity
Lead technical projects for the Workers AI team focused on deploying AI inference, building innovative features, and enhancing developer experience.
Top Skills: PythonPyTorchTensorFlow
Location: Austin, London, LisbonProduction Engineering is responsible for the world's most reliable, observable, performant, and safe network ecosystem. Our customers rely on our products and systems to safely modify, troubleshoot, and release products without external impact.
Our external customers rely on us to provide seamless and predictable incident, traffic, policy management, resulting in the fastest and safest network services in the world.
We are accountable for the overall performance of internal and external facing services, guiding our product teams to optimal configurations and maximum efficiency. From the moment that a packet enters the Cloudflare ecosystem, we know exactly what its expected purpose and behavior is and we are capable of determining and exposing anomalous behavior.
The Cloudflare network makes it possible to solve challenges at massive scale and efficiency which would be impossible for almost any other organization.
In this role, you can expect to:
  • Design, write, and deliver software that improves Cloudflare's Internal and External platformsScale and evolve systems through software and automation to improve reliability and velocityWork on highly distributed and scalable systems with a globally distributed teamParticipate in the constant cycle of knowledge sharing and mentoringResearch and introduce cutting-edge technologiesContribute to open-source
  • We are well-funded, growing quickly and focused on building an extraordinary company. This is a systems reliability engineering role and is a superb opportunity to be part of a high performing team and help to support Cloudflare's mission and help build a better internet.
  • You will build services and APIs to constantly improve availability, performance, uptime and response times.
You may be a good fit for our team if you have:
  • Proficiency in distributed Linux/Unix environments
  • Proficiency in high-level programming (e.g., Golang)
  • Proficiency in configuration management (e.g., Saltstack, Chef, Puppet, Ansible)
  • Proficiency in networking protocolsExperience in performance analysis, debugging, and troubleshooting
  • Experience in SQL databases (e.g., Postgres, MySQL)
  • Experience in load balancing and reverse proxies (e.g., Nginx)
  • Exquisite written and verbal communication skills
  • Strong bias for action
Bonus points if you have:
  • Experience with continuous integration and delivery (CI/CD)
  • Experience working in a 24/7/365 service environment
  • Experience with high-bandwidth transit Internetworking and routing
  • Passion for tooling and automation

What you need to know about the Belfast Tech Scene

If asked to name the birthplace of the RMS Titanic, you might not say Belfast. Similarly, if asked to name Europe's leading destination for foreign direct investment in new software development, Belfast might not come to mind. Yet, both are true. The city has emerged as a tech powerhouse, recently ranked among the best in the U.K. for tech careers — especially for software developers. It also leads the U.K. with the highest percentage of software development jobs advertised.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account