Network Engineer

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Tata Elxsi is amongst the world’s leading providers of design and technology services across industries, including Automotive, Broadcast, Communications, and Healthcare. Tata Elxsi is helping customers reimagine their products and services through design thinking and the application of digital technologies such as IoT (Internet of Things), Cloud, Mobility, Virtual Reality, and Artificial Intelligence.

We are looking for a proactive and technically skilled Network Engineer to provide operational support for enterprise network infrastructure, including routing, switching, wireless, SD-WAN, and network security technologies. The role involves monitoring network health, handling incidents, troubleshooting connectivity issues, supporting implementations, and escalating complex issues to L2/L3 teams when required.

Key Accountabilities and Responsibilities:

• Monitor and support enterprise LAN, WAN, Wireless, and SD-WAN environments.
• Perform basic configuration, troubleshooting, and maintenance of Cisco routers and switches.
• Support Layer 2 and Layer 3 technologies including VLANs, STP/RSTP, Trunking, Ether Channel, OSPF, EIGRP, BGP (basic support)
• Carry out switch port configurations, VLAN assignments, and connectivity troubleshooting.
• Assist in network device installation, upgrades, and configuration changes.
• Wireless & SD-WAN Support
• Support Cisco Wireless infrastructure and Cisco WLC 9800 controllers.
• Monitor and troubleshoot enterprise Wi-Fi connectivity issues.
• Provide operational support for Cisco Meraki devices: MX Security Appliances, MS Switches, MR Access Points
• Assist with SD-WAN monitoring and incident resolution.
• Security & Access Control
• Assist in managing Palo Alto PA-1140 and Cisco firewall environments.
• Support firewall implementation and connectivity troubleshooting.
• Monitor and support Cisco ISE and NAC solutions.
• Assist with Zscaler ZIA and ZPA incident handling and user access issues.
• Follow security policies and procedures to maintain network compliance.
• Monitoring & Incident Management
• Monitor network infrastructure using Zabbix and other monitoring platforms.
• Perform first-level troubleshooting for network alerts and incidents.
• Handle service requests, incidents, and escalations within SLA targets.
• Participate in P2, P3, and P4 incident resolution activities.
• Escalate critical issues to L2/L3 teams with proper diagnostic information.
• Maintain incident records and update ticketing systems regularly.
• Execute approved network changes under guidance from senior engineers.
• Support patching, device upgrades, and routine maintenance activities.
• Maintain network documentation, inventory records, and standard operating procedures.
• Participate in planned maintenance and weekend activities as required.
• Work closely with Service Desk, Security, Server, Cloud, and Application teams.
• Coordinate with vendors for issue resolution and hardware replacement.
• Contribute knowledge-sharing sessions and team training initiatives.
• Strong expertise in Routing & Switching, VLANs, STP/RSTP, Trunking, Ether Channel, basic OSPF/EIGRP/BGP, Cisco Catalyst 9300 Series, Wireless & SD-WAN, Cisco WLC 9800, Cisco Enterprise Wireless, Cisco Meraki (MX, MS, MR), SD-WAN Fundamentals, Palo Alto PA-1140 Firewall, Cisco Firewalls, Cisco ISE & NAC, Zscaler ZIA/ZPA, Network Security Concepts, Monitoring & Troubleshooting tools (Zabbix, Wireshark, Nmap, Cisco Packet Tracer), Cisco Catalyst Center (DNA Center), and Network Monitoring & Reporting.

ITIL Processes:

• Incident Management
• Change Management
• Service Request Management

Required Qualifications:

• Bachelor's Degree in Computer or related field.
• 5 - 8 years of experience in Network Operations or Infrastructure Support.
• Good understanding of routing, switching, wireless, and firewall technologies.
• Experience working in an ITIL-based support environment.
• Excellent troubleshooting and communication skills.
• Ability to work in a 24x7 support environment.
• The ideal candidate should have hands-on…