Network Engineer L3 (NCS/Job/ 3990)

• Ensure to close the tickets (Request, Incidents, Tasks, ITCHG, PBI, KB) in adhere SLA Time • Providing Guidance to L1 team to process the Tickets • Adhere the Compliance & Quality on Tickets • Participation in Bridge calls/MI to troubleshoot the critical issues • Ability to work with different vendors • Working with different regions of clients for day to day Network issues, flexible in work timings • Working on medium/Major Network Projects • Co-ordination with different teams to resolve the Connectivity issues • Participating in CAB (Change Advisory oard) and presenting Change Requests; also, doing PIR (Post Implementation Review) for each changes and publish in report. • Participating, driving MIM and preparing RCA in PB Management. • Part of ARB (Architecture Review Board)/Engineering/Project team (internal and customer) for new design discussion, assessing and mitigating the risk. • Providing inputs on the in-scope IT landscape for enhancement • Leading / Driving the Technical discussion / reviews such as capacity planning, Risk reviews, major change planning, RCA, DR Drills • Owning the Major incidents and Project task for respective tower / domain • Providing inputs and assistance in technical changes such as Technology refresh, Migrations, New implementation / Roll out • Perform analysis based on trend reports, capacity reports etc for in-scope IT landscape • Provide inputs for fine tuning / enhancement with impact analysis of the fine tuning changes • Discussion with OEM / Vendor / Suppliers for performance improvement Public • Record and track the improvement / fine-tuning • 24X7 monitoring of the Site availability and for any faults (like router outages, link outages, exceeding set thresholds). • 24X7 Switch, Router, LB, Link availability monitoring. • Configuring thresholds for Switch, Router CPU usage, & memory usage • Performing Switch, Router, port, VLAN configurations • Monitor Switch, Router CPU / memory usage. • Monitor Switch, Router Port Status of uplink and other critical interfaces. • Monitor and control configuration aspects like IP address, subnet mask, DNS settings, etc. • Alarm generation, handling and filtering • Link Bandwidth utilization • Incident and Request Services monitoring • Addition & deletion of new locations and devices in network monitoring tool • Request Fulfilment Management • Switch, Router, Link troubleshooting and recovery in case of any outage • Back-up link availability testing and monitoring • Trend based consultancy based on historical data samples and Capacity Planning. • Providing selective resource access by configuring suitable access list on the switch. • Configuring authentication protocols that are available in Cisco IOS (like AAA) if any available • User Account Management: Configuring user authentication through TACACS or RADIUS servers if any available in the customer environment • Hardening of network devices • Device Configuration management. • Load Balancer configuration management, IOS Upgrade, Cisco Switches Stacking, Non-Cisco Switching and wireless products exposure. • Configure Real and virtual Links/Servers • Interface enable / disable • QoS, Policy Based Routing configurations • Configuring Dynamic Routing Protocols. • Configuring NAT • Monitor/ analyse and fix problems due to Memory and CPU utilization and errors • Carry out comprehensive problem analysis and ensure resolution on time. • Co-ordinate with vendors for Hardware related issues, TAC support and Hardware replacements. • Device Availability Report • Config Backup Management. • Vendor/OEM Coordination (raising TAC, working with Active-passive team) • configuration of PE link device management & configuration at branches • Generation of Reports like Performing Switch, Router, Load Balancer Appliance Availability Report, CPU utilization Report, Capacity Planning Report and Trend Analysis Report. • Configuration & management of switches and controller devices • Creating, Maintaining and Updating Infra Documents - HLD, LLD, Architecture, DC Diagrams, Physical connectivity and Logical traffic flow (end-to-end) • Incident / Request Fulfilment / Change management / MI - Major Incidents Management • Implement privilege rights based on user rights for controlled access. • Implement encrypted password management mechanisms on all supported devices • Ensure security against asynchronous terminals, such as console terminals and from integrated modem line. • Preparation of RCA for Major Incidents • Repeat Incident / Alert Analysis • Updation and maintenance of FMEA (Failure Mode Effect Analysis), Availability, Capacity management • Risk Analysis, Maintaining Risk-Register and mitigation planning • Continual Service Improvement Planning and executions • Planning and execution of DR Drills based on availability of DR setup and recovery procedures • Preparing, maintaining and Updation of SOP/SIP and Knowledge Base Public