Senior Test Engineer

3 months ago


Nanjing, China Calix Full time
Calix is a cloud and appliance-based platform and managed services company. Broadband service providers leverage the Calix broadband platform, cloud, and managed services to simplify operations, engagement, and service, innovate for their consumer, business. and municipal subscribers and grow their business and the communities they serve.

Calix Functional Test Team is recruiting a Senior Test Engineer in Nanjing, China. The successful candidate will perform test design and execution activities, including:

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

Responsibilities:

  • Perform service tests of various access products, including ONT and OLT
  • Conduct Layer 2 function tests, such as LAG, ERPS-RING, G.8032, Y.1731, OAM, NE, SDN, DHCPv4/v6, PPPoE, LLDP, LACP, etc.
  • Execute systems tests, including scaling, capacity, stress, robustness, and performance
  • Participate in the development of test strategies and create test cases for GPON/NGPON/XGSPON/AE
  • 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, QoS, etc.
  • 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

Basic Qualifications:

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

Preferred Qualifications:

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



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