Staff Software Engineer_BNG/BRAS - Nanjing, 中国 - Calix

描述

Overview:

• Review market requirements and clarify use cases for next generation AXOS L3/BNG products
• Design and develop features for AXOS SSM (subscriber management module), such as DHCP server/relay, subscriber management, AAA, AGF, etc., including coding, unit-test, code review, functional test, auto-test case scripts.
• Investigate industry new technologies ( FMC, SDN, network slicing, AI, Big data etc.), design and contribute to Calix end-to-end intelligent network solution (cloud -> network device).
• Read relevant industry standards, architect, and lead the technical evolution of NaaS for Calix products.
• Collaborate with Customer Support team to resolve customer issues.
• Continuously improve AXOS L3/BNG stability & scalability to help ramp ASM products in the fields.

Responsibilities:

In this highly challenging role, you will:

• Write functional and design specifications.
• Write software with a good quality.
• Provide technical leadership to keep Calix L3/BNG products aligning with industry standards and improve system performance, stability, and scalability.
• Build Calix-innovated distributed data-driven routing platform based on advanced centralized database.
• Effectively communicate your designs, ideas, and feedback to cross functional teams on technical matters.
• Write automation test cases, and perform thorough unit test, functional test, and integration test
• Conduct peer code reviews.
• Mentor and guide junior team members.

Qualifications:

• BSCS (or equivalent) required, MSCS preferred.
• 8+ years of C/C++ experience in Linux embedded development preferably with telecom or datacom industry.
• Solid knowledge in BNG, Routing protocols and access network solution.
• Hands-on experience with subscriber-access technologies (DHCP, PPPoE, etc.) is highly desired.
• Hands-on experience with BNG end subscriber management, Lawful intercept (LI) and related telemetry is highly desired.
• Hands-on experience with subscriber AAA (authentication, authorization, accounting) is highly desired.
• Knowledge and experience in FMC (fixed mobile convergence) is a big plus.
• Proficient in multi-thread/multi-process architecture, design, and coding
• Strong in TCP/IP and Network Programming.
• Be adept at communicating and collaborating with x-functional/boundary teams.
• Strong background in designing and developing event-based / pub-sub workflow solutions.
• Strong sense of ownership, be driven to continuously improve tools, methodology and process.
• Excellent English communication skills
• Excellent skills in problem analysis and troubleshooting.

Nice to Have:

• Experiences of DPDK
• Experiences of NaaS, SDN, VNF (virtual network function)
• Experiences of dataplane software and knowledge of NP/switch SOC
• Experiences of Network element management such as Yang model, alarms/events and status collection.
• Experiences of Microsoft Azure SONiC or Arista EOS.