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Job Title: Network Engineer L3 (ACI & SD-WAN Specialist)
Job Summary
We are seeking a highly skilled and experienced L3 Network Engineer to join our Network Operations and Engineering team. The ideal candidate will possess deep expertise in Cisco ACI, Versa SD-WAN, enterprise Routing & Switching, and network troubleshooting. The role requires providing Level 3 support, designing, implementing, optimizing, and maintaining complex enterprise network infrastructures while ensuring high availability, performance, and security.
Key Responsibilities
Network Operations & Support
- Provide Level 3 support for enterprise network infrastructure and critical incidents.
- Act as the technical escalation point for complex network issues.
- Perform root cause analysis (RCA)
and implement permanent fixes for recurring problems.
- Lead major incident resolution and problem management activities.
Cisco ACI Administration
- Design, deploy, configure, and troubleshoot Cisco ACI environments.
- Manage ACI Fabric, Tenant configurations, VRFs, Bridge Domains, EPGs, Contracts, and L3Outs.
- Perform firmware upgrades and maintenance activities within ACI environments.
Versa SD-WAN Management
- Configure, administer, and troubleshoot Versa SD-WAN infrastructure.
- Manage Controllers, Director, Analytics, and Edge devices.
- Implement application-aware routing, segmentation, and security policies.
- Support WAN optimization and network transformation initiatives.
Routing & Switching
- Configure and troubleshoot Layer 2 and Layer 3 network technologies.
- Manage enterprise routing protocols including:
- BGP
- OSPF
- EIGRP
- IS-IS (preferred)
- Configure and support swit
📌 Technical Specialist (Kolkata)
🏢 NTT
📍 Kolkata