Why Choose Balbhas?

Join a team that's transforming how businesses understand and leverage their data. We're not just building analytics solutions — we're shaping the future of digital intelligence.

Market-competitive salary

Industry-leading compensation packages with performance bonuses and equity options.

Flexible Work

Remote-first culture with flexible hours and modern collaborative workspaces.

Learning & Development

Continuous learning opportunities with training budgets and conference attendance.

Health & Wellness

Comprehensive health insurance, wellness programs, and mental health support.

Team Culture

Collaborative environment with team building events and inclusive culture initiatives.

Work-Life Balance

Generous PTO policy, sabbatical opportunities, and family-friendly benefits.

Larsen & Toubro Limited Vyoma- NVIDIA Network Engineer (InfiniBand / Ethernet)

Full-time

Chennai

4.0+ years

NVIDIA Network Engineer (InfiniBand / Ethernet) Job Purpose Deliver and operate ultra‑low‑latency, high‑bisection network fabrics for GPU training at ~10K GPU scale with deterministic performance.

Key Responsibilities Implementation Build IB (HDR/NDR) east‑west fabrics and Ethernet north‑south connectivity; leaf‑spine with ECMP. Deploy and tune RoCE v2, PFC/ECN, MTU, buffer profiles

- IB routing/credit/timers
- SHARP/UCX offloads where applicable.

Operations

Day‑2 fabric health (congestion hotspots, slow‑drain, link flaps); automate config with Ansible/Terraform.



Lifecycle of switch OS/firmware; link‑level optics and cable qualification; inventory and spares. Performance &
- Optimization Validate NCCL collectives performance across pods; troubleshoot all‑reduce bottlenecks and imbalance.

Implement

QoS classes for training vs inference vs control‑plane. Reliability &
- Incident Lead P0/P1 critical incident response for NVIDIA GPU infrastructure, including InfiniBand, RoCE, Ethernet fabric and AI/ML cluster environments. Troubleshot performance bottlenecks involving InfiniBand fabrics, RoCE networks, congestion management, NCCL communications, GPUDirect RDMA, and distributed AI training workloads. Led post-incident reviews and implemented automation, monitoring enhancements, and architectural improvements to increase overall cluster availability, stability, and performance. Create runbooks for path failures, fabric partitions, and credit starvation; design graceful degradation. Security &
- Compliance BGP/EVPN multi‑tenancy, ACLs, role‑based access to fabric managers; config signing/change control.

Our Culture & Values

Innovation First

We encourage creative thinking and bold ideas that push the boundaries of what's possible in analytics.

Collaborative Excellence

Our diverse teams work together to solve complex challenges and deliver exceptional results for our clients.

Continuous Growth

We invest in our people's development and provide opportunities to learn, grow, and advance their careers.

📌 Larsen & Toubro Limited Vyoma- NVIDIA Network Engineer (InfiniBand / Ethernet) (Chennai)
🏢 Balbhas Business Sysnomics
📍 Chennai