System QA Engineer

2 weeks ago

Tel Aviv, Tel Aviv, Israel Cato Networks Full time $90,000 - $120,000 per year

Welcome to the future of cloud networking and security
Cato Networks is the first company to converge enterprise networking and security into one centralized and global service that is delivered by cloud. It is led by networking and security pioneer Shlomo Kramer (Check Point, Imperva) and early investor (Palo Alto Networks, Exabeem, Trusteer and more). Cato's unique technology inspired a brand-new product category, later named "SASE" by Gartner and a market expected to reach $25 billion by 2027.

This is your opportunity to get on the rocket ship and join a company that is building a cutting-edge enterprise network and secure cloud platform, and is on a fast track to becoming the worldwide market leader – don't miss it

We are seeking a highly skilled and motivated
Senior System QA Engineer
to join our growing team.

This role is critical in ensuring the quality of our network-driven systems. As a System QA Engineer, you will be responsible for end-to-end testing of complex systems, ensuring they meet the highest standards in both functionality and user experience.

Responsibilities

  • Perform real-life scenario testing to simulate customer usage and identify edge cases or unexpected behaviors.
  • Conduct scale and performance testing, evaluating system behavior under load, stress, and high availability conditions.
  • Collaborate closely with R&D, DevOps, and Product teams to understand feature design and customer expectations.
  • Utilize your advanced networking knowledge to validate configurations, routing, connectivity, and security elements.
  • Investigate and report defects with detailed logs, reproduction steps, and impact analysis.
  • Participate in cross-functional team reviews, improving test strategies and system robustness.
  • Champion a customer-oriented mindset, ensuring that all testing reflects real-world user needs and pain points.
  • Design and execute manual e2e system testing procedures for both backend and integrated environments.

Requirments

  • 5+ years of experience in system-level manual QA.
  • Hands-on experience with scale testing and system performance metrics.
  • Strong background in networking protocols and architectures (e.g., TCP/IP, VPNs, Firewalls, SD-WAN).
  • Familiarity with network test tools and traffic simulation.
  • Proven ability to craft complex, realistic testing scenarios.
  • Strong analytical and troubleshooting skills.
  • Excellent communication and documentation abilities.
  • Customer-first approach to quality assurance and usability.

Nice To Have

  • Experience in cloud-based systems or SaaS environments.
  • Scripting or automation knowledge (e.g., Python, Bash) for ad-hoc tools or data collection.
  • Networking deep dive experience

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