Experience operating large GPU or HPC clusters in production, identifying performance bottlenecks and resolving them systematically.
具备 RDMA 编程及底层调试的实战经验，包括 RDMA verbs / libibverbs、内存注册、队列对、完成队列、RDMA 读写、发送/接收操作及性能基准测试。
Hands-on experience with RDMA programming and low-level RDMA debugging, including RDMA verbs / libibverbs, memory registration, queue pairs, completion queues, RDMA read/write, send/recv, and performance benchmarking.
熟悉分布式训练的核心底层技术，包括 InfiniBand 和/或 RoCEv2、GPUDirect RDMA、GPUDirect Storage、NCCL、CUDA 驱动及 OFED。
Practical experience with the technologies underpinning distributed training, including InfiniBand and/or RoCEv2, GPUDirect RDMA, GPUDirect Storage, NCCL, CUDA drivers, and OFED.
具备 Slurm 等调度系统的使用经验，包括安装配置、队列/分区管理、作业故障排查及监控。
Experience with workload schedulers such as Slurm, including setup, configuration, queue/partition management, job troubleshooting, and monitoring.
具备高性能共享存储或并行/分布式文件系统的搭建与管理经验，如 Lustre、BeeGFS、WEKA、VAST、DDN/ExaScaler 等。
Experience setting up and managing high-performance shared storage or parallel/distributed filesystems such as Lustre, BeeGFS, WEKA, VAST, DDN/ExaScaler, or similar systems.
熟练掌握 Python、Bash，优先具备 C/C++ 能力，用于集群自动化、诊断、基准测试及监控开发。
Solid scripting/programming ability in Python, Bash, and preferably C/C++, for cluster automation, diagnostics, benchmarking, and monitoring.
熟悉 HPC 网络设计，包括阻塞与非阻塞网络架构、InfiniBand、高性能以太网、网络拓扑、拥塞控制及端到端带宽/延迟故障排查。
Familiarity with HPC networking, including blocking vs. non-blocking fabric design, InfiniBand, high-performance Ethernet, topology, congestion, and end-to-end bandwidth/latency troubleshooting.
扎实的 Linux 系统管理能力，包括网络配置、文件系统管理、内核/驱动问题处理、进程与资源管理及性能调试。Strong Linux system administration skills, including networking, filesystems, kernel/driver issues, process/resource management, and performance debugging.
加入我们 / Why You Should Join Us
信任是团队协作的根基
我们鼓励坦诚沟通与主动承担，让每一位成员都能在安全感中成长，自主决策、共同前行。这份信任源于彼此支持与并肩作战，是我们最珍贵的团队资产。
Trust is the foundation of collaboration.
We foster open communication and proactive ownership, empowering every team member to grow with a strong sense of security, make autonomous decisions, and move forward together. This trust—built through mutual support and shared commitment—is our most valued asset.
优秀的团队成员，我们汇聚了工程师、数学家、统计学家，保持好奇心，乐在其中。
Great People. We’re curious engineers, mathematicians, statisticians and like to have fun while achieving our goals.
透明的组织架构，我们重视每一位成员的想法与贡献。
Transparent Structure. Our employees know that we value their ideas and contributions.
轻松的办公环境，无等级文化，常有团建、聚会与休闲活动。
Relaxed Environment. Flat organization with yearly offsites, happy hours, and more.
健康福利支持，健身补贴、零食饮品、充足年假。
Health & Wellness Programs. Gym membership, stocked kitchen, and generous vacation.