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Senior Systems Test Engineer

1 month ago

Nanjing, Jiangsu, China Calix Full time

About the Role:

Calix is a cloud and appliance-based platform and managed services company. We are seeking a Senior Systems Test Engineer to join our team in Nanjing, China. The successful candidate will be responsible for test design and execution, including:

  • Verification of Access Switch, Layer 2 protocol, and capacity/stress/robustness/performance testing.
  • Testing against specifications and customer use cases for our access product portfolio, including Ethernet and GPON/NGPON/XGSPON/AE technologies.

Key Responsibilities:

  • Perform service tests on various access products such as AXOS, SANDBOX, and OLT.
  • Conduct Layer 2 function tests, including LAG, ERPS-RING, G.8032, Y.1731, OAM, NE, SDN, DHCPv4/v6, PPPoE, LLDP, and LACP.
  • Execute system tests for scaling, capacity, stress, robustness, and performance.
  • Develop test strategies and create test cases.
  • Evaluate hardware and software features by documenting, automating, and executing feature and system-level test cases.
  • Set up and maintain the automation test bench and automate test cases for new product requirements.
  • Perform regression testing on new software and hardware for data, VoIP, video, and QoS.
  • Write clear, concise, and understandable problem descriptions and test reports.
  • Reproduce field issues and validate their resolution.
  • Collaborate with the global team to understand testing requirements and provide feedback on architecture and designs.

Requirements:

  • Bachelor's or Master's degree in Computer Science, Software Engineering, Telecommunication, Electrical Engineering, or equivalent (Master's degree preferred).
  • Over 5 years of system testing experience in the network industry.
  • Solid testing experience with technologies such as LAG, ERPS-RING, G.8032, Y.1731, OAM, DHCPv4/v6, PPPoE, LLDP, and LACP.
  • Strong test skills on large multi-processor-based systems.
  • Extensive experience with scaling tests.
  • Proficiency in automation skills, including Linux Shell and Python.
  • Strong verbal and written English skills.

Preferred Qualifications:

  • Strong analytical and problem-solving skills.
  • Experience with NFV and SDN.