Senior QA Engineer

We are seeking a Senior QA Engineer to join our Broadband R& D organisation. In this role, you will be responsible for integrating and end-to-end testing complex embedded systems that involve both hardware and software components. The position requires strong PON domain expertise, hands-on debugging skills, and the ability to execute and enhance automated test frameworks.

Responsibilities:

• Execute and maintain the build acceptance test suite used to qualify products for customer deployments.
• Diagnose and resolve complex interoperability issues between ONUs and Harmonic's vOLT through in-depth analysis of logs, traces, and source code.
• Analyse requirements for automated testing and maintain CI test suites by integrating new tests (written in Python) developed by other teams, while optimising structure and coverage.
• Collaborate closely with R& D Scrum teams to investigate complex issues, providing detailed technical analysis and reproducible scenarios.
• Utilise automation and debugging tools to improve test coverage, execution efficiency, and root-cause analysis.

Requirements:

• BE/B. Tech/M. E/M. Tech degree in CS/EC/IT or equivalent experience.
• 5+ years of hands-on experience in networking systems QA, integration, or R& D.
• Proven experience in writing clear test plans, test cases, and bug reports, as well as executing test scenarios.
• Strong knowledge of PON architecture, protocols, and specifications, including OLT/ONU interoperability.
• Deep understanding of networking protocols, including IEEE 802.1Q/ad bridging and/or IPv4/IPv6 unicast and multicast routing.
• Experience working in Agile/Scrum environments.
• Proficiency with Linux systems and network debugging tools (e. g., Wireshark, tcpdump).
• Strong analytical and problem-solving skills with the ability to perform deep root-cause analysis.
• Excellent collaboration and communication skills in English. Ability to communicate effectively with different groups.

Would be a plus:

• Experience with traffic generation tools (IXIA, iPerf).
• Experience with CI/CD tools (e. g., Jenkins).
• Scripting experience (Python, Bash, etc. )
• Hands-on experience with virtualisation technologies (Kubernetes, Docker).
• Background as a Networking/DevOps Engineer.