CodiLime
CodiLime
CodiLime — 2011 жылы құрылған бағдарламалық жасақтама және желілік инженерия қызметтерін ұсынатын компания. Компания желілік жабдық өндірушілерімен, бағдарламалық жасақтама жеткізушілерімен, телекоммуникация компанияларымен, технологиялық стартаптармен және саласында орныққан компаниялармен жұмыс істейді. Оның командалары клиенттерге тұжырымдаманың жұмыс істейтінін дәлелдеу арқылы идеяларын тексеруге, желіге бағытталған өнімдер құруға және өндірістегі жүйелерді қолдауға көмектеседі. Компанияның сараптамасына желілерді автоматтандыру, төмен деңгейлі жүйелік бағдарламалау, бақыланғыштық, DevOps және киберқауіпсіздік кіреді. Жобалар АҚШ, Жапония, Израиль және Еуропада жүзеге асырылған. CodiLime компаниясының қызметкерлерді жалдау бағыты B2B технологиялары мен телекоммуникация жобаларына арналған инженерлік жұмыстарға шоғырланған.

Senior RDMA Performance Engineer — Remote Poland

CodiLime is hiring a senior engineer to validate SONiC and NVIDIA Spectrum AI data-center networks in Poland. The role focuses on RDMA performance, congestion control, benchmarking, and network automation.

Сипаттама

  • Configure, troubleshoot, and maintain NVIDIA/Mellanox Spectrum switches and ConnectX network interface cards.
  • Implement and tune RoCEv2, PFC, and ECN congestion controls for AI workloads.
  • Optimize network environments for throughput, latency, and Job Completion Time.
  • Benchmark and validate AI-ready data-center fabrics using RDMA and NCCL.
  • Automate network operations, testing, and telemetry analysis with AI agents and specialized tools.
  • Create and maintain documentation for network designs, configurations, and benchmark results.
  • Collaborate in an Agile startup team validating SONiC on NVIDIA Spectrum AI networking platforms.

Талаптар

  • At least seven years of professional network engineering experience.
  • Preferably three or more years designing and architecting data-center networks.
  • Hands-on expertise with BGP, EVPN/VXLAN, LACP, and ECMP configuration and troubleshooting.
  • Strong practical knowledge of AI-focused data-center architectures, including Rail-Optimized Design and Rail-Unified Design topologies.
  • Demonstrated experience managing and troubleshooting NVIDIA/Mellanox Spectrum switches and ConnectX network interface cards.
  • Advanced knowledge of RoCEv2, Priority-based Flow Control, and Explicit Congestion Notification.
  • Experience tuning switch buffers and deploying Quality of Service policies.
  • Experience benchmarking and validating AI-ready data-center fabrics with RDMA and NVIDIA Collective Communication Library.
  • Ability to use AI agents and tools to automate engineering tasks, testing, and analysis.
  • Strong technical writing and documentation abilities.
  • Professional English communication skills.
  • Professional certifications such as CCNP, CCIE Enterprise or Data Center, or JNCIP are appreciated.
  • Hands-on experience with pyATS, NAPALM, Batfish, Nornir, or NetBox is appreciated.
  • Familiarity with GitLab CI, GitHub Actions, Jenkins, and infrastructure-as-code concepts is appreciated.

Артықшылықтар

  • Flexible working arrangements, with fully remote, office-based, and hybrid options.
  • Professional development through internal training and a dedicated training budget.
  • Structured onboarding with practical, hands-on support.
  • A collaborative environment of professionals who care about their work.
  • The opportunity to move between projects.

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