CHENNAI · FULLTIME
Network Engineer
Tata Consultancy Services
Chennai · onsite · Posted 38d ago
About a minute. You'll make an account on the way through.
agent · working
- Read this posting0.4s
- Found the form on Naukri · 14 questions to answer1.3s
- Decided the answers for all of them3.0s
- Tailor your résumé to this role
- Waiting for you
Section · 01
About this role
Job Title: Network Engineer / SME / Architect
Experience: 10-15 Years
Interview Mode: Virtual
Interview Date: 18-Sep-26
Work Location: Chennai
Job SummaryWe are looking for a highly experienced Cisco WAN/LAN Network Engineer / SME / Architect with 10+ years of experience in Enterprise Network Infrastructure, Network Design, Implementation, Troubleshooting, and Architecture. The ideal candidate should possess deep technical expertise in Cisco Routing & Switching, WAN/LAN Technologies, SD-WAN, Data Center Networking, and Network Security while serving as an SME for critical network operations and transformation initiatives.Must Have :
- 10+ years of experience in Enterprise Networking.
- Strong expertise in Cisco Routing, Switching, and Network Architecture.
- Experience supporting large-scale global WAN/LAN environments.
- Hands-on expertise with Data Center and SD-WAN technologies.
- Strong troubleshooting and analytical skills.
- Excellent communication and stakeholder management skills.
- Design, implement, and support large-scale Enterprise WAN and LAN environments.
- Architect and manage complex Routing and Switching infrastructures.
- Provide L3/L4 technical support and SME-level guidance for critical network incidents.
- Configure, troubleshoot, and optimize routing protocols including BGP, OSPF, and EIGRP.
- Manage Cisco routers, switches, wireless controllers, access points, and data center networking components.
- Lead network migration, upgrade, and transformation projects.
- Perform network performance analysis, capacity planning, and optimization.
- Collaborate with security, cloud, and infrastructure teams on strategic initiatives.
- Develop High-Level Designs (HLD), Low-Level Designs (LLD), SOPs, and technical documentation.
- Drive continuous improvement and adoption of best practices in network operations.
- Ensure availability, scalability, reliability, and security of network infrastructure.
Mandatory Skills
Cisco Routing & Switching
WAN/LAN Technologies
BGP, OSPF, EIGRP
MPLS & VPN
Cisco Catalyst & Nexus
Cisco ISR/ASR Routers
Cisco SD-WAN (Viptela)
Cisco ACI
Network Design & Architecture
Enterprise Wireless & Data Center Networking
Preferred Skills
Palo Alto / Firepower / Fortinet
Zscaler
Azure/AWS Networking
Network Automation (Python, Ansible)
Preferred Certifications
CCNP Enterprise
CCIE Enterprise Infrastructure
Cisco SD-WAN / ACI Certifications
Sourced from naukri
Section · 02
Skills
Section · Company
About TCS

Tata Consultancy Services
IT Services & Consulting
608.0k+
employees
1968
58 years old
Mumbai, Maharashtra
India
About
Industries
Employee ratings
1,14,115 reviews
Culture
3.2
Career growth
2.3
Work-life
3.5
Employees rate it well for
Find them on