Network Engineer - Routing & Switching

Location: Pune (TCS)
Experience: 6-9 Years

Job Summary

We are looking for an experienced Network Engineer with robust expertise in Routing & Switching technologies, Cisco networking solutions, Aruba networking, Cisco ACI, SD-WAN, and DNS administration. The candidate will be responsible for designing, implementing, troubleshooting, and supporting enterprise network infrastructure while ensuring high availability, security, and performance.

Key Responsibilities
- Configure, manage, and troubleshoot enterprise Routing & Switching environments.
- Administer and support Cisco network infrastructure including routers, switches, and wireless solutions.
- Deploy, manage, and troubleshoot Cisco ACI (Application Centric Infrastructure).
- Implement and support SD-WAN solutions and routing protocols.
- Manage DNS infrastructure and resolve related issues.
- Monitor network performance and proactively identify potential issues.
- Perform root cause analysis for network incidents and provide permanent fixes.
- Participate in network design, implementation,



and migration projects.
- Maintain network security standards and best practices.
- Collaborate with cross-functional teams for infrastructure upgrades and optimization.
- Create and maintain network documentation, diagrams, and operational procedures.
- Support production environments and participate in on-call activities as required.

Required Technical Skills

Networking
- Routing & Switching (Cisco)
- Cisco Catalyst and Nexus Switches
- Cisco Wireless Technologies
- Cisco ACI
- SD-WAN
- DNS Administration

Routing Protocols
- BGP
- OSPF
- EIGRP
- Static Routing

Network Services
- DNS
- DHCP
- NAT
- VLANs
- STP
- HSRP/VRRP

Aruba
- Aruba Switching
- Aruba Wireless Solutions
- Aruba Central (preferred)

Required Qualifications
- 6-9 years of experience in Enterprise Network Operations and Support.
- Strong hands-on experience with Cisco Routing & Switching technologies.
- Experien

📌 Network - Routing & Switching (Cisco, Aruba, ACI, SD WAN Route), DNS (Pune)
🏢 Tata Consultancy Services
📍 Pune