System QA Engineer

1 week 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

Senior System QA Engineer

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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