Senior Network Engineer

HCLTech; Dadri; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

HCLTech in India is seeking a senior network engineer to own enterprise networking and Linux systems across AI/HPC/Kubernetes workloads. You will drive incident troubleshooting, performance tuning, and operational stability.

You will work with BGP/OSPF/VLANs, InfiniBand, Nvidia UFM, and cloud networking (AWS/Azure/GCP), establish SLO/SLI, and implement safe release strategies (canary/blue-green). Ideal candidates have 5–10 years in data center/cloud networking, CCNA and CCNP, and a track record

Qualifications

• Strong hands-on expertise in enterprise networking and Linux systems.
• 5–10 years in data center / cloud networking operations.
• Experience with routing & switching (BGP, OSPF, VLANs).
• Hands-on with load balancing, firewall basics, InfiniBand and Nvidia UFM.

Responsibilities

• Define and maintain production readiness standards across platform, data, model, application, and security layers.
• Establish SLO/SLI frameworks for latency, availability, quality, safety, and drift; implement error budgets.
• Drive incident troubleshooting and RCA for network and OS layers supporting AI/HPC/Kubernetes workloads.
• Author runbooks, DR/BCP blueprints, and enablement trainings.

Skills

Networking

Linux systems

Troubleshooting

Performance tuning

Operational stability

Cloud networking

AI/HPC networking

Observability

Canary / blue-green

RCA

Education

CCNA

CCNP

Data center / cloud networking operations experience

Tools

InfiniBand

Nvidia UFM

Job description

Skill: Network (Enterprise / AI Infrastructure Context)

Skill Requirement

• Strong hands-on expertise in enterprise networking and Linux systems
• Responsible for troubleshooting, performance tuning, and operational stability of network and OS layers supporting AI/HPC/Kubernetes workloads

Networking (L3)

• Certifications (Preferred):
• CCNA (Mandatory baseline)
• CCNP (Strongly preferred)
• Experience:
• 5–10 years in data center / cloud networking operations
• Hands-on experience with:
• Routing & Switching (BGP, OSPF, VLANs)
• Load balancing, firewall basics
• InfiniBand card and switches
• Nvidia UFM
• Skill Depth:
• Strong in incident troubleshooting and RCA
• Ability to diagnose:
• Latency, packet loss, connectivity failures
• Network issues affecting GPU / distributed workloads
• Working knowledge of cloud networking (AWS/Azure/GCP)
• Working Knowledge of AI/HPC networking for distributed training for GPU-GPU communication.
• Define and maintain production readiness standards across platform, data, model, application, and security layers.
• Establish SLO/SLI frameworks for latency, availability, quality, safety, and drift implement error budget policies.
• Maintain compliance mappings (e.g., ISO 27001, SOC 2, GDPR/DPDP, HIPAA where applicable).
• Author PRR checklists, runbooks/playbooks, and DR/BCP blueprints (RTO/RPO, multi‑region/site failover). Drive enablement (trainings, brown-bags) and maintain knowledge repositories and decision records.
• Implement observability (tracing, metrics, logs), dashboards, and SLO burn and cost anomaly alerting.
• Execute safe releases (canary/shadow/blue green), prompt/model versioning, feature flags, and rollback plans.