Staff Software Engineer_BNG/BRAS

Calix provides the cloud, software platforms, systems and services required for communications service providers to simplify their businesses, excite their subscribers and grow their value.

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.

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