Witmem
Posted 2mo ago

系统开发工程师(高速互联方向)

Witmem
Beijing, Beijing, China
OnsiteFull Time
Responsibilities
  • validating boards
  • supporting productization
  • designing plans
Requirements
  • 5+ years server hardware experience
  • Expertise in post-silicon board-level validation for high-speed on-chip interfaces (PCIe/UCIE/NVLINK/RDMA/Stacklink/DDR)
  • Familiarity with SI, IP initialization/training/calibration
  • Strong collaboration and engineering mindset
Technical tools mentioned
high-speed oscilloscopelogic analyzerprotocol analyzer

Job description

1.负责自研芯片高速接口(包括但不局限于PCIE/UCIE/NVLINK/RDMA/Stacklink/DDR)等模块的硅后板级验证工作,包括但不局限于基本功能、板级验证思路、电气特性、协议标准、IP架构、协议一致性验证、链路故障排查等;
2.负责自研芯片的硅后EVB板级验证,和芯片产品化量产CP/SLT导入支撑工作,对芯片的硅后验证质量负责;
3.与相关团队和合作伙伴高效协作,完成验证策略/方案/计划制定、用例设计、验证执行、问题定位与攻关、结果分析和评估报告等;
4.持续追踪AI服务器互联技术趋势,参与新技术预研并成功推动其在产品项目中商用落地。

1.有芯片原厂经验优先,了解数据中心SOC的基本架构与研发/生产流程,对片上互联,先进封装有一定了解;
2.有5年以上服务器硬件开发经验,大规模GPU/AI服务器项目经验优先,具备头部OEM(华为/浪潮/新华三)经历或合作经验者优先;
3.熟练掌握至少一种典型片上高速接口IP的初始化、建链Training、Equalization、Calibration等典型功能的基本原理、验证方法、问题定位方法,理解工艺、环境、扰动、有源设计、无源设计等因素对高速接口功能/性能的影响;
4.熟练掌握典型片上高速接口(包括但不局限于PCIE/UCIE/NVLINK/RDMA/Stacklink/DDR)的基本功能、板级验证思路、电气特性、协议标准、IP架构、链路故障排查、SI基本概念与测试方法,熟悉对相关测试仪器设备(高速示波器、逻辑分析仪、协议分析仪)的使用等;
5.精通高速接口(包括但不局限于PCIE/UCIE/NVLINK/RDMA/Stacklink/DDR)原理图设计和PCB布线规则,了解其SI仿真原理;
6.良好的合作意识、工程思维。

About Witmem

Develops computing-in-memory AI chips for edge devices.

Year founded
2017
Employees
300
Organization type
Private
Latest investment
Raised $200.00M Series B (2023) — led by 国投创业
Headquarters
CN

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