Manual QA Engineer, Zero Trust Security Specialist

1 week ago

San Francisco, California, United States Cloudflare, Inc. Full time
About Us

At Cloudflare, Inc., we are on a mission to help build a better Internet. Today, the company runs one of the world's largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to small and medium-sized businesses to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks.

We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new skills, and we are ready to help you do that. We cannot complete our mission without building a diverse and inclusive team. We hire the best people based on an evaluation of their potential and support them throughout their time at Cloudflare.

Job Summary

The Zero Trust team is looking for a Manual Test Engineer to test and debug our Zero Trust client on physical devices similar to our customers' devices and infrastructure. You will be working with Cloudflare WARP and Cloudflare Tunnel, which are network and security-focused applications that enable secure communications between our customers' devices and their private infrastructure.

Responsibilities
  • Create, maintain, and execute a suite of manual tests.
  • Regularly set up, configure, test, debug, and troubleshoot network-related features.
  • Collaborate closely with WARP client development teams and QA Engineers to understand all features and define and refine product test strategies.
  • Maintain a collection of test devices, efficiently setting them up and configuring them to test various scenarios, and report quality status to all stakeholders.
Requirements
  • Familiarity with mobile and client device networking configurations and understanding how data is routed to public and private cloud environments.
  • Passion for understanding how services work will be crucial in debugging issues at all levels.
  • Adept at distilling complex scenarios into actionable bug reports and working towards resolution with development, product, and QA team members.
Desirable Skills, Knowledge, and Experience
  • Extremely curious to understand how a feature works and what edge cases may cause a poor customer experience.
  • Empathetic, proactive, and constructive communication skills, verbal and written.
  • Experience with manual E2E testing of network-based apps, especially VPNs (e.g. DNS, protocols, throttling, packet loss, etc.).
  • Strong knowledge of L3 to L7 networking technologies such as IP, TCP, UDP, DNS, QUIC, H/3, proxying, routing, switching.
  • Strong knowledge and understanding of macOS, Windows, Linux, and mobile client (iOS, Android) platforms and their internals.
  • Strong attention to detail for building test plans and analytical mindset when debugging issues.
  • Proficiency with running traffic captures, gathering logs, and preparing test data for reporting.
  • Experience setting up and maintaining device labs.
  • Experience using one or more Mobile Device Management platforms (MDMs).
  • Can interpret Python code to understand automated tests and framework capabilities.
  • Experience with how mobile devices handle switching between cellular and Wi-Fi, roaming, throttling, etc.

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