CodiLime

201 – 500 Angajați

CodiLime este o companie de servicii de inginerie software și inginerie de rețele, fondată în 2011, care colaborează cu furnizori de hardware pentru rețele, furnizori de software, companii de telecomunicații, startupuri tehnologice și companii consacrate din industrie. Echipele sale ajută clienții să valideze idei prin demonstrații de fezabilitate, să dezvolte produse axate pe rețele și să ofere suport pentru sisteme aflate în producție. Competențele companiei includ automatizarea rețelelor, programarea sistemelor de nivel scăzut, observabilitatea, DevOps și securitatea cibernetică, cu experiență în proiecte din Statele Unite, Japonia, Israel și Europa. Contextul recrutării la CodiLime se concentrează pe activități de inginerie pentru proiecte de tehnologie și telecomunicații B2B.

Locurile de muncă ale companiei

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.

acum 1 săptămână

Polonia

22.000 zł – 30.000 zł / lună

Remote Contract Senior Limbă Obligatorie: engleză Inginer

Jenkins

Descriere

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.

Cerințe

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.

Beneficii

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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