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CodiLime
CodiLime
201 – 500 Darbuotojai
Aparatinė įrangaB2BTelekomunikacijos
CodiLime yra 2011 m. įkurta programinės įrangos ir tinklų inžinerijos paslaugų įmonė, dirbanti su tinklo techninės įrangos gamintojais, programinės įrangos tiekėjais, telekomunikacijų bendrovėmis, technologijų startuoliais ir įsitvirtinusiomis įvairių sektorių įmonėmis. Įmonės komandos padeda klientams patikrinti idėjas kuriant koncepcijos patvirtinimus, kurti į tinklus orientuotus produktus ir prižiūrėti gamybinėje aplinkoje veikiančias sistemas. Įmonės kompetencijos apima tinklų automatizavimą, žemo lygio sistemų programavimą, stebėseną, DevOps ir kibernetinį saugumą. Projektų patirties sukaupta Jungtinėse Valstijose, Japonijoje, Izraelyje ir Europoje. CodiLime įdarbinimo kontekstas orientuotas į inžinerinį darbą B2B technologijų ir telekomunikacijų projektuose.
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Darbai įmonėje

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.

PLLenkija
22 000 zl – 30 000 zl / mėnuo
NuotolinisSutartisVyresnysis specialistasPrivaloma Kalba: anglųInžinierius
Jenkins

Aprašymas

  • 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.

Reikalavimai

  • 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.

Privalumai

  • 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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