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InfiniBand Engineer Networking

Job in 110006, Delhi, Delhi, India
Listing for: Aptly Technology Corporation
Full Time position
Listed on 2026-02-24
Job specializations:
  • IT/Tech
    Systems Engineer, Network Engineer
Job Description & How to Apply Below
Position: InfiniBand Engineer (High-Performance Networking)
Job Summary
We are seeking a highly skilled  Infini Band Engineer  with strong expertise in advanced networking technologies to design, deploy, and support high-performance, low-latency network infrastructures. The ideal candidate will have hands-on experience with Infini Band fabrics, data center networking, and large-scale distributed computing environments (HPC / AI / ML clusters).

Key Responsibilities
Design, implement, and manage large-scale  Infini Band (IB) fabrics  in data center and HPC environments.
Configure and troubleshoot Infini Band switches and adapters (e.g., Mellanox / NVIDIA IB platforms).
Perform fabric bring-up, subnet management (OpenSM), partitioning, and performance tuning.
Monitor and optimize network performance, latency, throughput, and congestion control.
Integrate Infini Band with Ethernet-based networking environments.
Support RDMA technologies (RoCE, iWARP) and GPUDirect environments.
Collaborate with system, storage, and compute teams to support AI/ML and distributed workloads.
Perform firmware upgrades, patching, and capacity planning.
Troubleshoot Layer 2 / Layer 3 networking issues (BGP, OSPF, VLAN, VXLAN, etc.).
Maintain documentation, network diagrams, and SOPs.

Required

Skills & Qualifications
5+ years of networking experience with strong fundamentals (TCP/IP, routing, switching).
Hands-on experience with Infini Band technologies (HDR/NDR preferred).

Experience with  NVIDIA / Mellanox Technologies  switches and adapters.
Strong understanding of RDMA, congestion control, QoS, and low-latency tuning.

Experience with subnet managers (OpenSM) and fabric diagnostic tools.
Solid understanding of BGP, OSPF, EVPN-VXLAN, MPLS (good to have).
Experience in HPC, AI/ML cluster networking environments is highly preferred.
Familiarity with Linux networking and troubleshooting tools.

Experience with automation (Python, Ansible) is a plus.

Preferred Qualifications
Experience supporting large GPU clusters.
Knowledge of storage networking (NVMe-oF, parallel file systems).

Experience with monitoring tools and telemetry systems.
Networking certifications (CCNP/CCIE or equivalent).

Key Competencies
Strong analytical and troubleshooting skills
Ability to work in high-performance, mission-critical environments
Excellent documentation and communication skills
Proactive problem-solving mindset
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