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Open nowPosted 124 days ago

存储测试工程师(高级资深岗)

xskydata/career26 open roles

Where
Beijing, Chinese Mainland
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Your applicationOpen now存储测试工程师(高级资深岗)xskydata/career · Beijing, Chinese Mainland
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This job: posted 124 days ago

The posting

业务方向: 1. 负责面向 AI Infra 的高性能分布式存储系统测试,覆盖功能、性能、稳定性、可靠性和故障恢复。 2. 负责理解业界主流AI Infra高性能存储功能、性能水平和应用场景,将上层业务流抽象为底层存储访问模型和压力模型。 3. 负责分析 AI训练、推理等多任务场景下对存储性能、可靠性、压力相关的要求,并落入到存储场景测试中。 4. 负责设计存储系统功能测试,覆盖读写、批量访问、并发访问、元数据、一致性、生命周期、幂等性、异常恢复和版本兼容等场景。 5. 负责设计性能、容量和稳定性测试,覆盖高并发、海量对象/Chunk、热点访问、冷热数据混合、小 IO/大 IO 混合、单节点/多节点扩展等场景。 6. 负责故障注入和可靠性测试,覆盖节点故障、网络抖动、网络分区、磁盘故障、数据损坏、扩缩容、滚动升级、主备切换、数据迁移等场景。 7. 负责构建自动化测试平台,实现高效的测试、回归、压测、数据一致性校验、故障注入、指标采集,快速验证版本并输出测试报告。 8. 负责结合日志、metrics、trace 和系统指标定位复杂问题,推动研发完成问题闭环。

工作范式: 我们正在打造一个 AI-Native(原生 AI) 的研发环境,将 AI Agent 视为团队的“虚拟合作者”。 - 拒绝低效重复: 那些原本耗费你大量精力的 CRUD、样板代码、单元测试和文档编写,在这里统统交给 AI Agent 自动化完成。 - 专注高维价值: 腾出宝贵的时间,专注于 系统架构设计、复杂业务逻辑拆解、技术决策 以及 用户体验创新。 - 超级个体: 我们鼓励并支持每一位工程师成为“以一抵十”的超级个体。

为了支持这一理念,我们提供环境支持: - 工具链支持: 公司全额承担AI 生产力工具的订阅费用。无需为工具的 Token 焦虑,只需关注如何解决问题。 - AI-First 基础设施: CI/CD 流水线和开发脚手架正面向 Agent 模式构建,通过自然语言指令快速部署和验证代码。 - 容错与探索空间: 我们鼓励你在项目中探索 AI Agent 的新边界。

1. 本科及以上学历,计算机、软件工程、通信、自动化或相关专业; 2. 具备 5 年及以上分布式文件、块或对象存储相关测试经验,熟悉行业相关存储设计; 3. 熟练运用 AI Agent,具备将复杂需求拆解并委派给 Agent 执行的工程能力; 4. 了解业界主流 KVCache 语义、性能水平和应用场景,理解 KVCache 在大模型推理中的典型业务流; 5. 熟悉 KVCache 对底层存储的业务模型和压力模型,能够设计长上下文、多轮会话、高并发、多模型、多租户、热点访问、冷热分层等测试场景; 6. 熟悉高性能分布式系统、数据库或缓存系统常用技术,包括分片、多副本、主备、Raft/Paxos、一致性哈希、LSM Tree、WAL、异步 IO、零拷贝、RDMA、NVMe、SPDK、冷热分层等; 7. 熟悉常见数据库、存储或缓存组件,如 RocksDB、Redis、etcd、Ceph、MinIO/S3、MySQL、PostgreSQL、HDFS、对象存储、块存储、文件系统等; 8. 熟悉 Linux、网络、容器和 Kubernetes,具备 Python/Shell/Go/C++ 任一语言的自动化或工具开发能力; 9. 熟悉性能测试、容量测试和稳定性测试方法,能够分析延迟、吞吐、IOPS、带宽、P99/P999、CPU、内存、磁盘、网络、锁竞争、队列堆积等问题; 10. 具备较强自动化规划和实现能力,帮助团队提升整体测试效率和产品覆盖度; 11. 熟悉日志、metrics、trace、监控告警和 CI/CD,具备复杂问题定位和跨团队协作能力。

加分项: - 有 AI Infra、LLM Serving、KVCache、大模型推理、GPU 集群相关测试经验。 - 熟悉 vLLM、TensorRT-LLM、SGLang、Triton、Ray、KServe 等框架或组件。 - 有高性能 IO、RDMA、InfiniBand、NVMe、SPDK、io_uring、GPU Direct Storage、NCCL 等相关测试经验。 - 有分布式存储、数据库内核、存储引擎、缓存系统、对象存储、文件系统测试经验。 - 有长稳测试、故障注入、全链路压测、容量规划、性能基线、测试平台建设经验。 - 有 C/C++、Go、Rust 开发经验,能够阅读存储或服务端核心代码者优先。

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