Network Admin

Overview

LTIMindtree Limited is an Indian multinational information technology services and consulting company. A subsidiary of Larsen & Toubro, the company was incorporated in 1996 and employs more than 90,000 people.

Job Description

• Deployment and Operations of the network hardware in the IT infrastructure. It includes new implementations, expansion, and support of NX-OS (N2K, N3K, N5K, N7K, and N9K), IOS Catalyst (3850, 9500, and 9300) switches, routers, Load Balancers and Firewalls in Data Centers.

 

• Working on Routing Protocols (EIGRP, BGP, IS-IS) and Switching Protocols (STP, RSTP) as part of implementations and operations.

 

• Engage in ON-CALL rotation, which needs working on priority-1 and priority-2 cases in real-time providing immediate solutions to the issues impacting the live production

 

• Successfully deployed new ASA Firewalls dedicated to ACI infrastructure in multiple data center locations.

 

• Experience on load balancing strategies/techniques, expertise in application switching/traffic management, knowledge of persistence and SSL certificates

 

• Providing the Root Cause Analysis (RCA) and implementing Long term fix for the problems and discuss about the solutions to the team.

 

• Perform code upgrades to the network switches and routers in the cisco infrastructure to overcome vulnerabilities/bugs and maintain the standards.

 

• Configured new ACI Fabrics in the Cisco Infrastructure from building of the APIC controllers, Spines and leaf architecture and have prepared detailed documentation on this.

 

• Strong experience in a medium/ large scale enterprise networks & 5+ years of relevant experience

 

• Network and security knowledge on Cisco products (routing, switching and firewalls).

 

• Strong network troubleshooting skills from layer 1-7.

 

• Experience with enterprise grade load balancers (e.g. F5 ) and Cisco Access Points

 

• Experience working on monitoring tools SolarWinds Orion NCM and NPM, Aruba.

 

• Experience with ACI / F5 Load balancer is a must

 

• Should have worked on DC network documentation and related processes.

 

• Should have experience in handling data center network related incidents within defined SLA’s.

 

• Must have working knowledge and experience defining and engineering VoIP, SIP, andor IMS based services

 

• Residential telephone services are built using IMS and VoIP components

 

• Installation, configuration and strong troubleshooting experience in Cisco devices Experience in Voice, WAN, Wireless & Site Networks maintenance Datacenter support

 

• Perform network maintenance and system upgrades including service packs, patches, hot fixes, and security configurations.

 

• Provide Level- 2/ 3 support and troubleshooting to resolve issues within SLA.

 

• Must have Experience in the following technologies

 

o Cisco Routers & Switches

 

o Cisco WIFI

 

o F5 Load Balancer

 

o Palo Alto Firewall & Cisco ASA Firewall

 

o WAN Optimizers

 

o Cisco VOIP

 

 

• Certifications : CCNA & CCNP is preferred

 

Experience in automation using ansible, python is plus.

 

 

Skills & Requirements

Deployment and Operations of Network Hardware, NX-OS (N2K, N3K, N5K, N7K, N9K), IOS Catalyst (3850, 9500, 9300), Routing Protocols (EIGRP, BGP, IS-IS), Switching Protocols (STP, RSTP), ON-CALL Rotation, ASA Firewalls, Load Balancing, Traffic Management, SSL Certificates, Root Cause Analysis (RCA), Code Upgrades, ACI Fabrics, Enterprise Networks, Network Troubleshooting, F5 Load Balancer, Cisco Access Points, Monitoring Tools (SolarWinds Orion NCM, NPM, Aruba), DC Network Documentation, Incident Handling, VoIP, SIP, IMS, Datacenter Support, Cisco Devices, Voice, WAN, Wireless Networks, Datacenter Maintenance, System Upgrades, Level-2/3 Support, CCNA, CCNP, Automation (Ansible, Python).