Senior Software Engineer

2 months ago


Nanjing, Jiangsu, China Calix Full time
About the Role

We are seeking a highly skilled Senior Software Engineer to join our team at Calix, where you will play a key role in the development of our AXOS Intelligent Access Edge solution. As a Staff Software Engineer, you will be responsible for designing and developing features for our AXOS SSM (subscriber management module), including coding, unit-testing, code review, functional testing, and auto-test case scripts.

Key Responsibilities
  • Market Requirements and Use Cases: Review market requirements and clarify use cases for next-generation AXOS L3/BNG products.
  • Feature Development: Design and develop features for AXOS SSM, including DHCP server/relay, subscriber management, AAA, AGF, etc.
  • Industry Technology Investigation: Investigate industry new technologies, such as FMC, SDN, network slicing, AI, and Big Data, and design and contribute to Calix's end-to-end intelligent network solution.
  • Technical Evolution: Read relevant industry standards, architect, and lead the technical evolution of NaaS for Calix products.
  • Customer Support Collaboration: Collaborate with the Customer Support team to resolve customer issues.
  • Product Stability and Scalability: Continuously improve AXOS L3/BNG stability and scalability to help ramp ASM products in the field.
Requirements
  • Education: BSCS (or equivalent) required, MSCS preferred.
  • Experience: 10+ years of C/C++ experience in Linux embedded development, preferably with telecom or datacom industry.
  • Technical Skills: Solid knowledge in BNG, Routing protocols, and access network solution. Hands-on experience with subscriber-access technologies (DHCP, PPPoE, etc.), BNG end subscriber management, Lawful intercept (LI), and related telemetry is highly desired.
  • Soft Skills: Excellent English communication skills, excellent skills in problem analysis and troubleshooting, and a strong sense of ownership.
Nice to Have
  • Experience with cgnat, ALG, NAT44, etc.
  • 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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