Network Reliability Engineer

As a Network Reliability Engineer at Cloudflare, you will be responsible for the technical operation and engineering of our core data center network. This includes planning, installation, management of hardware and software, and daily network operations. You will also focus on automating tasks, streamlining deployment processes, and ensuring that our infrastructure is resilient and scalable to meet our diverse customer needs.

To be considered for the Network Reliability Engineer role at Cloudflare, you should possess at least 5 years of relevant Network or Site Reliability Engineering experience, along with a BA/BS in Computer Science or an equivalent. A solid understanding of configuration management frameworks like Ansible or Chef, experience with various Network Operating Systems, and strong software development skills in Go or Python are also crucial.

At Cloudflare, you can expect a hybrid work environment that encourages collaboration, innovation, and continuous learning. Our diverse and inclusive culture values individual contributions and offers a friendly space where team members thrive. You will join a talented group of professionals dedicated to creating a resilient global network that supports businesses of all sizes.

Cloudflare is committed to the growth of its employees. As a Network Reliability Engineer, you will have access to resources that can help you develop new skills and advance your career. The company fosters a culture of learning, providing opportunities to tackle interesting projects and take part in training initiatives that support your professional development.

Network Reliability Engineers at Cloudflare work with a range of tools and technologies, including configuration management frameworks like Ansible, Linux systems, and various network programming languages. You'll also engage with systems for network automation and monitoring, such as Kubernetes, Docker, Prometheus, and time series databases, to continually improve our high-performance network.

When answering this question, highlight specific tools you have used, such as Ansible or Chef. Discuss instances where you successfully automated tasks and the impact it had on the operational efficiency of the network. Emphasize your passion for easing operational toil through automation.

In your response, talk about common challenges such as network outages, system failures, or traffic spikes. Explain how you would address these issues by employing monitoring tools, redundancy strategies, and automation processes to maintain system integrity and performance.

Discuss your experience with Linux, including tasks like server management, troubleshooting, and performance tuning. Provide examples of how your Linux skills contribute to network reliability and automation in your previous roles.

Explain your knowledge of BGP (Border Gateway Protocol), including its function in routing decisions and how it helps in traffic optimization. Share experiences where you've configured or monitored BGP in past roles, demonstrating your competence in network operations.

Provide a specific example showcasing your analytical skills and problem-solving abilities. Highlight how you identified performance issues and the steps you took to resolve them, ultimately leading to measurable improvements in network reliability or efficiency.

Outline your proficiency in languages like Go and Python. Share examples of how you've utilized these languages for automation, scripting, or developing tools that enhance network operations, illustrating your software engineering skills.

Discuss the importance of security in network engineering. Highlight best practices you follow to protect network infrastructures, like implementing strict access controls, regular system updates, and monitoring for anomalies.

Share your approach to professional development, including resources you rely on like industry blogs, webinars, or tech conferences. Highlight any communities or forums you participate in to enhance your networking knowledge.

Describe a complex network project you've managed, detailing the objectives, technologies involved, your role in the project, and the outcomes. Focus on your problem-solving skills and collaboration with cross-functional teams.

Express your admiration for Cloudflare's mission and values. Discuss how the opportunity aligns with your career goals, and how you believe your skills and experiences can contribute to their commitment to building a better Internet.