分布式存储研发工程师 **General Information** Req # WD00087626 Career area: Information Technology Country/Region: China State: Sichuan City: 成都（Chengdu） Date: Monday, September 1, 2025 Working time: Full-time **Additional Locations** : * China - Sichuan - 成都（Chengdu） **Why Work at Lenovo** We are Lenovo. We do what we say. We own what we do. We WOW our customers. Lenovo is a US$69 billion revenue global technology powerhouse, ranked #196 in the Fortune Global 500, and serving millions of customers every day in 180 markets. Focused on a bold vision to deliver Smarter Technology for All, Lenovo has built on its success as the world’s largest PC company with a full-stack portfolio of AI-enabled, AI-ready, and AI-optimized devices (PCs, workstations, smartphones, tablets), infrastructure (server, storage, edge, high performance computing and software defined infrastructure), software, solutions, and services. Lenovo’s continued investment in world-changing innovation is building a more equitable, trustworthy, and smarter future for everyone, everywhere. Lenovo is listed on the Hong Kong stock exchange under Lenovo Group Limited (HKSE: 992) (ADR: LNVGY). This transformation together with Lenovo’s world-changing innovation is building a more inclusive, trustworthy, and smarter future for everyone, everywhere. To find out more visit www.lenovo.com , and read about the latest news via ourStoryHub (https://news.lenovo.com/) . **Description and Requirements** **Job** **Responsibilities** - 参与超融合一体机场景下分布式块存储系统的架构设计与模块开发，构建高可靠、高性能的自研存储引擎 - 实现基于iSCSI/NVMe-oF协议的块设备服务层，优化内核态/用户态I/O路径，解决高并发场景下的性能瓶颈 - 设计并实现分布式一致性协议（如Raft/Paxos变种），保障多副本数据强一致性与故障自动恢复能力 - 开发混闪存储介质调度策略，实现SSD/HDD混合介质的智能分层与缓存管理，最大化硬件资源利用率 - 构建存储系统性能分析框架，持续优化吞吐量、IOPS及延迟等核心指标，满足超融合场景严苛SLA要求 - 完成与OpenStack（Cinder/Nova）的深度集成，实现虚拟机卷的高效创建、快照与迁移功能 - 编写高质量系统级代码，建立完善的单元测试与故障注入验证体系 **Job Requirements** - 计算机相关专业本科及以上学历，1年以上分布式系统开发经验 - 精通C/C++系统级编程，具备Linux内核模块或高性能用户态网络栈开发经验 - 深入理解分布式块存储核心原理，有iSCSI Target/NVMe-oF Target实际开发经验 - 掌握主流分布式一致性协议实现机制，具备多副本数据同步与故障切换实战经验 - 熟悉SSD/HDD混合存储架构，理解写缓存、数据分层等混闪优化关键技术 - 熟练使用性能分析工具（perf/ebpf/bcc等），具备从应用层到设备层的全栈调优能力 - 熟悉OpenStack存储服务架构，了解Cinder卷服务与Nova计算的交互机制 - 具备超融合基础设施（HCI）开发经验，理解计算-存储耦合场景的技术挑战 **Preferred Add-ons** - 有自研分布式存储系统从0到1落地的完整项目经验 - 熟悉SPDK/DPDK框架，具备用户态块设备驱动开发经验 - 掌握RDMA技术原理，有NVMe over Fabrics全栈优化经验 - 熟悉QEMU/KVM虚拟化I/O路径，了解virtio-blk/vhost性能优化方案 - 在Ceph/RBD、Linstor等开源存储项目中有核心模块贡献 - 具备存储系统故障根因分析能力，熟悉Jepsen等分布式系统验证工具 - 了解Intel VAAI/Xcopy等硬件加速技术在块存储中的应用场景 **Additional Locations** : * China - Sichuan - 成都（Chengdu） * China * China - Sichuan * China - Sichuan - 成都（Chengdu）