Network Engineer -(Routing & Switching + ASA or SDWAN)

NTT DATA BUSINESS SOLUTIONS; Chennai District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

NTT DATA BUSINESS SOLUTIONS in Chennai is seeking a Networking Managed Services Engineer (L2) to provide second-line support for Cisco-based networks. The role focuses on proactive incident resolution, VLAN and routing protocol troubleshooting, and IOS/SUP upgrades across multiple Cisco platforms.

Your work will include diagnosing LAN/WAN issues, performing root-cause analysis, and contributing to project work as required.

Qualifications

• Bachelor's degree in IT/Computing or equivalent.
• CCNP or equivalent certification.
• Certifications relevant to networking services carry additional weight.

Responsibilities

• Provide second-line support for Cisco network incidents and requests.
• Troubleshoot complex LAN/WAN infrastructure and perform root-cause analysis.
• Upgrade IOS/SUP on Cisco devices (5K/7K/9K/4500/6500/ASR/FTD/FMC/SDWAN/ISE/DNAC/Wireless).
• Configure and troubleshoot routing protocols: RIP, EIGRP, OSPF, ISIS, BGP.
• Implement and troubleshoot L2 technologies: VLAN, VTP, STP, RSTP, MSTP.
• Work onsite as part of NTT DATA's Networking Services team.

Skills

Cisco devices

Hardware troubleshooting

VLAN/VTP/STP

IOS/SUP upgrades

SDWAN/ISE/DNAC/Wireless

LAN/WAN troubleshooting

Routing protocols (RIP/EIGRP/OSPF/ISIS

BGP

IP addressing/subnetting

Education

Bachelor's IT/Computing

CCNP or equivalent

Certifications relevant to services

Tools

ServiceNow

Job description

Make an impact with NTT DATA

Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion its a place where you can grow, belong and thrive.

Your day at NTT DATA

The Networking Managed Services Engineer (L2) is a developing engineering role, responsible for providing a managed service to clients to ensure that their IT infrastructure and systems remain operational through proactively monitoring, identifying, investigating, and resolving technical incidents and problems and restoring service to clients. The primary objective of this role is to proactively review client requests or tickets and apply technical/process knowledge to resolve them without breaching service level agreement (SLA) and focuses on second-line support for incidents and requests with a medium level of complexity. The Networking Managed Services Engineer (L2) may also contribute to support on project work as and when required.

What you'll be doing

Key Responsibilities

• Complete knowledge to all Cisco devices
• Should have hardware level trouble shooting knowledge on all Cisco products.
• Must be familiar with - VLAN VTP STP VSS VDC VPC.
• Must have sound knowledge in stack configuration trouble shooting.
• Must be familiar with - OSPF EIGRP BGP PBR HSRP ACL.
• Hands on experience with IOS/SUP upgradation 5K/7K/9K/4500/6500/ASR/FTD/FMC/SDWAN/ISE/DNAC/Wireless controller.
• Should have knowledge about SDWAN, ISE/ DNAC/ ACI/Wireless

Hands On

• Troubleshooting of complex LAN/WAN infrastructure, Conducting root cause analysis on Network Incident
• Troubleshooting license issues on all Cisco Platforms.
• Troubleshooting IP link related issues like link failure, config mismatch, latency, packet drops.
• Expertise in implementing L2 technologies including VLANs, VTP, STP, RSTP, MSTP.
• Good knowledge of IP Addressing, Subnetting, ARP, OSI and TCP/IP models.
• Expertise in implementing routing protocols RIP, EIGRP, OSPF, ISIS and BGP.
• Configuring and Troubleshooting Route Redistribution between Static, RIP, EIGRP, OSPF & BGP protocols.
• Experience in Configuration and Support of LAN protocols on Cisco Switches such as (Layer2, 3 & Multi-Layer).
• Experience with designing, deploying, and troubleshooting LAN, WAN, Ether-channel, IP Routing Protocols - (RIP, OSPF, EIGRP & BGP), ACL's, NAT, VLAN, STP, VTP, HSRP.

Academic Qualifications and Certifications

• Bachelor's degree or equivalent qualification in IT/Computing (or demonstrated equivalent work experience).
• CCNP or equivalent certification.
• Certifications relevant to the services provided (certifications carry additional weightage on a candidates qualification for the role).

Required Experience

• Moderate level of relevant managed services experience.
• Moderate level knowledge in ticketing tools preferably Service Now.

Workplace type: On-site Working

About NTT DATA

NTT DATA is a $30+ billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long-term success. We invest over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure, and connectivity. We are also one of the leading providers of digital and AI infrastructure in the world. NTT DATA is part of NTT Group and headquartered in Tokyo.

Equal Opportunity Employer

NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us.