Job Description

RDMA NIC 研发专家

北京、上海、杭州、中国香港

全职

互联网 / 电子 / 网游 - 研发

职位描述

1、在总体架构和产品规格指导下,负责RDMA NIC关键子系统或模决的微架构设计与研发交付,包括TX/RX数据通路、QP与上下文管理、WQE/CQE处理、DMA与地址转换、队列调度及完成机制等;
2、负责RoCEv2或InfiniBand相关协议功能的设计实现与问题闭环,包括Read/Write/Send、Atomic、Ordering、ACK/Retry、异常处理以及PFC、ECN、DCQCN等流控与拥塞控制机制;
3、开展模块级性能分析与优化,量化带宽、时延、队列深度、缓存利用率及PPA约束,定位并解决数据通路、内存访问和跨接口交互中的性能瓶颈;
4、协同验证、固件、驱动、操作系统及系统团队,完成模块验证、子系统集成、芯片Bring-up、问题定位和规模化环境下的性能调优。

职位要求

1、RDMA协议与数据通路研发能力:熟悉QP、MR、WQE、CQE、Doorbell和RDMAVerbs,理解RDMA传输状态、顺序、可靠传输及拥塞控制机制,能够独立承担相关模块设计与周试;
2、主机接口、DMA与队列管理能力:熟悉PCIe、DMA Engine、Descriptpr、MSI-X、IOMMU、ATS/PASID或SRIOV中的一种或多种技术,具备地址转换、内存保护、队列调度或虚拟化模块研发经验;
3、ASIC实现与软硬件协同能力:具备模块微架构、RTL实现、架构验证或性能建模能力,能够完成时序、面积和功耗权衡;熟悉固件或Linux RDMA驱动接口,具备前后硅问题定位经验。
关键经历
学历背景:微电子、电子工程、计算机、通信等相关专业,具备数字电路、计算机体系结构、操作系统和网络基础;
岗位经历:具备5年以上NIC、SmartNIC、DPU、RDMA或高性能网络芯片研发经历,独立承担过协议处理、队列管理、DMA、主机接口或收发数据通路中的一个或多个关键模块
成功经验:参与过至少一款网络适配器或高性能网络芯片从现格、设计验证到流片、Bring-up的研发过程,并完成国所负责模块的性能或可靠性问题闭环。

投递

About Li Auto

Founded on July. 1, 2015, Li Auto's brand mission is to "Be Proactive, Change the World".

We are dedicated to providing families with safer, more comfortable, and more convenient smart EVs through breakthrough innovations in products, technologies, and business models. By Oct. 18, 2024, Li Auto achieved the milestone of one million vehicle deliveries in just 58 months, setting a new record for the fastest one million deliveries in China's luxury car market.

We see cars evolving from transportation in the Industrial Age into spatial robots in the age of AI. And we fuse the physical and digital worlds through AI, turning limited car space into infinite experiences. Our goal isn't just to transform the automotive industry through cutting-edge AI technologies, but also bring the benefits of AI to every family.

Join us in pushing growth boundaries and realizing our vision of "To Become a World-Leading Embodied AI Enterprise."!

Industry

Automotive & Mobility

Company Size

1,001-5,000 employees

Headquarters

Beijing, CN

Year Founded

2015

Website

liauto.com

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