高级测试工程师(BNG/BRAS)

This position is based in Nanjing, China.

Calix is seeking a talented and passionate Test Engineer for the solutions test team. The position is part of a global test team that is providing software/hardware testing and quality assurance on an industry disrupting ecosystem comprised of cloud, embedded systems, and network access products. This position will primarily be focused on the testing of a complete network solution in a multitude of test environments which include the last mile of the Telecomm network.

Responsibilities

• Independently set day-to-day work priorities while working to achieve the goals of the team/organization.

• Develop test strategies and create test cases to validate assigned features and overall solution.

• Execute and monitor tests to report system issues and test results.

• Perform regression testing on new software and hardware, scalability tests and evaluate compliance to specifications.

• Develop and execute tests to validate customer use cases.

• Reproduce field issues and validate their resolution.

• Use traffic generators to create real-world traffic streams for video, data, and voice related testing.

• Capture and analyze data packets.

• Troubleshoot and debug issues. Clearly describe system-faults in issue tracking products.

• Lead/mentor a small team of junior and senior level test engineers.

• Work with multiple internal cross-functional teams, as well as 3rd parties, to analyze test results and field scenarios.

• Travel and attend face-to-face meetings and Calix sponsored events when required.

Qualifications

• Be able to work in English language

• 5+ years of technical knowledge/experience working with access and premises network systems,

• Excels at learning quickly and adapting to change.

• Must be detail-oriented, be able to work independently and sometimes with limited information.

• Proactively communicate status, issues, and support needs to appropriate manager(s).

• Organized and goal-focused, ability to deliver in a fast-paced environment.

• Minimum of 5 years of knowledge and experience with Telecom Access Products specifically GPON/NGPON/XGS-PON technologies as they apply to Fiber-to-the Home, Fiber-to-the-Business, Fiber-to-the-Curb, Fiber-to-the-Desk, etc.

• Minimum of 5 years of networking protocols and technology experience related to Layer2/3 Ethernet networks including, but not limited to, TCP/IP, DHCP, PPPoE, UDP, IPv4/v6, MPLS, Link Aggregation, Ethernet packet structures, VLAN routing, QoS, IPTV, SIP, H.248, MGCP, ISIS, BGP, OSPF, and other upper-layer application protocols.

• Experience testing user interfaces including, but not limited to, SNMP, TR69, Netconf.

• Experience with data communications or telecommunications product testing in one or more of the following areas:

• Wireless technologies, RSTP, BGP, G.8032 and/or L2/L3 Routing protocols.

• Experience with packet capture tools like Wireshark, tcpdump, iperf, wireline simulators, traffic generators and other networking test and evaluation tools.

• Experience with end-to-end testing of OLT-ONU(OMCI) interaction and troubleshooting.

• Excellent general troubleshooting skills.

• Ability to articulate problems in detail.

• Excellent verbal/written English communication skills while working with local/remote teams.

• Hands-on experience with performance test methods and tools, e.g., Spirent, IXIA, Abacus/Ameritec Bulk Call Generators, Ookla Speed Test, Iperf, etc.

​Education, Certifications and Professional Licenses

• BS/MS EE, or equivalent.

• CCNA/CCNP/JNCIP/RHCSA or equivalent desired

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