Systems Test Engineer - Zero Trust Client

Cloudflare•San Francisco, CA

17d

About The Position

The Zero Trust QA team is looking for a Systems Test Engineer to test and exercise our Zero Trust products similar to our customers’ devices and infrastructure. You will start from the customer’s perspective using Cloudflare WARP and Cloudflare Tunnel , which are network and security-focused applications that enable secure communications between our customers’ devices and their private infrastructure. You will expand test coverage to additional Zero Trust products and services to close test gaps and increase coverage for full product validation.

Requirements

We expect you to have a background in QA and hands-on experience with mobile and desktop device networking configurations across Windows, Linux, and macOS platforms.
You'll understand how data is managed on each device and routed across public and private cloud environments.
You will be adept at reviewing functional specifications, participating in technical design reviews and designing test scenarios and setting up physical and virtual environments to properly exercise all features.
Your passion and curiosity for understanding how our services work will be crucial in debugging issues at all levels.
Additionally, you should be adept at distilling complex scenarios into actionable reports and working towards resolution with development, product, and QA team members.
You are comfortable raising issues and can clearly articulate details in tests, bug reports, test environment documentation and team-wide updates.

Nice To Haves

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 (Major networking certifications are a plus)
Experience with IP, TCP, UDP, DNS, QUIC, H/3 and proxying, routing, switching concepts
Strong knowledge of macOS, Windows, Linux, and mobile client (iOS, Android) platforms
Experience with testing device connectivity across networks (wired-to-wireless, cellular-to-wireless)
Strong attention to detail for building test plans and analytical mindset when debugging issues
Experience setting up and maintaining physical and virtual device environments
Adept at finding edge cases and go beyond surface-level testing
Consistently think of scenarios which could cause a poor customer experience
Proficient with running and interpreting traffic captures, gathering logs , and reporting test results
Experience using one or more Mobile Device Management platforms (MDMs)
Empathetic, proactive, and constructive communication skills , verbal and written
Experience with Python to understand automated tests and framework capabilities
Develop scripts to assist in testing and convert tests from manual to automated

Responsibilities

Collaborate closely with fellow test engineers, PMs and development teams to understand all features
Define and execute in-depth product test strategies for new and existing features
Assist teams to quickly reproduce customer issues , test fixes and update tests to close coverage gaps
Discover edge cases across Zero Trust products and partner with teams to find and validate solutions
Regularly set up, configure, test, debug, and troubleshoot network-related features
Create, maintain, and execute a suite of critical manual tests
Leverage the automation framework to efficiently exercise functionality for faster feedback
Provide methods to identify and reduce repetitive manual test runs while maintaining a high level of quality
Maintain a collection of physical devices and virtual environments for testing various scenarios
Regularly report quality status to all stakeholders on key features