Network Engineer

Responsibilities

• 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 Board) 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
• 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