Principal Software Engineer_BNG/BRAS

【职位描述】
Calix cloud and software platforms enable communications service providers (CSPs) of all sizes to transform their business. Our CSP customers are empowered to utilize real-time data and insights from Calix platforms to simplify their businesses and deliver experiences that excite their subscribers. This enables CSPs to grow their businesses through increased subscriber acquisition, loyalty and revenue, thereby increasing the value of their businesses and contributions to their communities.
This is the Calix mission
to enable CSPs of all sizes to simplify, excite and grow.
You will be part of a flexible team that builds Calix Intelligent Access Edge solution. We commit to code quality, open discussion, and productivity.
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.

【任职要求】
Qualifications:
•BSCS (or equivalent) required, MSCS preferred.
•12+ 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.

Default Terms and Conditions
I certify that all the statements made by me on this application are true and complete to the best of my knowledge and that I have withheld nothing that would, if disclosed, affect this application unfavorably. Calix, Inc. is hereby authorized to investigate said statements, and any misrepresentation or omission may cause either refusal to hire or immediate discharge whenever discovered.
I understand if I am presented with a job offer by Calix it will be contingent upon me successfully passing a background check.
I understand that all employment is subject to signing the Calix, Inc Nondisclosure and Assignment Agreement.

默认条款及条件
本人保证，本人在申请Calix空缺职位时所作的陈述真实及完整，没有隐瞒任何可能对本申请产生不利影响的事项。本人授权Calix调查上述声明。本人理解：任何虚假陈述或遗漏可能导致被拒绝雇用或在发现时被立即解雇。
本人理解：Calix公司的工作邀约，是以成功地通过背景调查为条件的。
本人理解Calix的雇佣基于签署Calix, Inc的保密及转让协议。

Candidate Consent: Yes, I have read and consent to the terms and conditions
候选人同意: 是的，我已经阅读并同意上述条款和条件。