Senior Quality Assurance Engineer

6 days ago


Nanjing, Jiangsu, China Calix Full time

This position is based in Nanjing, China.

Position Summary:

Calix is seeking an experienced Test Engineer to become a vital member of our solutions testing team. This role is integral to our global testing efforts, focusing on software and hardware evaluation and quality assurance within a cutting-edge ecosystem that encompasses cloud services, embedded systems, and network access solutions. The primary responsibility involves testing a holistic network solution across diverse testing environments, particularly within the final segment of the telecommunications network.

Key Responsibilities:

  • Effectively prioritize daily tasks to align with team and organizational objectives.
  • Develop test strategies and create test cases to validate assigned features and the overall solution.
  • Conduct and oversee testing processes to identify system discrepancies and document test outcomes.
  • Execute regression testing on new software and hardware, perform scalability assessments, and ensure compliance with specifications.
  • Design and implement tests to verify customer scenarios.
  • Reproduce field issues and confirm their resolution.
  • Utilize traffic generators to simulate realistic traffic for video, data, and voice testing.
  • Analyze captured data packets for insights.
  • Troubleshoot and debug issues, detailing system faults in tracking systems.
  • Lead and mentor a team of junior and senior test engineers.
  • Collaborate with various internal cross-functional teams and external partners to analyze test results and field conditions.
  • Participate in meetings and company events as required.

Qualifications:

  • Proficient in English.
  • Minimum of 5 years of experience with access and premises network systems.
  • Strong ability to learn quickly and adapt to evolving situations.
  • Detail-oriented with the capability to work independently or with minimal information.
  • Proactive in communicating status, issues, and support needs to relevant management.
  • Organized and goal-oriented, capable of delivering results in a dynamic environment.
  • At least 5 years of knowledge in Telecom Access Products, especially GPON/NGPON/XGS-PON technologies for various fiber-based services.
  • 5 years of experience with networking protocols and technologies related to Layer 2/3 Ethernet networks, including TCP/IP, DHCP, PPPoE, among others.
  • Experience in testing user interfaces such as SNMP, TR69, and Netconf.
  • Familiarity with data communications or telecommunications product testing, including wireless technologies, routing protocols, and packet capture tools.
  • Understanding of end-to-end testing of OLT-ONU (OMCI) interactions and troubleshooting.
  • Skilled in general troubleshooting with the ability to articulate issues clearly.
  • Excellent verbal and written English skills for effective collaboration with local and remote teams.
  • Hands-on experience with performance testing tools such as Spirent, IXIA, and others.

Education and Certifications:

  • Bachelor's or Master's degree in Electrical Engineering or a related field.
  • Preferred certifications include CCNA, CCNP, JNCIP, or RHCSA.


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