Harpal Singh

Experience

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  VIDEOCON TELECOMMUNICATIONS LTD

  Jan 2013 - Apr 2014

  NETWORK ENGINEER (IP/MPLS AND Packet Core)

  Maintaining MPLS network for IP based GSM network payloads, different services carried by VPNs.Provide advanced technical support and troubleshooting /fault localization within several competence areas and Multi Vendor Interface.Ensuring Preventive Maintenance of Packet Core Nodes (such as SGSN, GGSN, DNS, Firewalls, MPLS, LIG, CG Server) & SMSC and SMSR.Managing configuration & GPRS testing of National/International Inroamers & Outroamers.Good Knowledge of Packet core interfaces (Internal or with GSM/GPRS/PSTN/EDGE.Monitoring of Gb,Gn/Gp,Gi links utilization.Product Capacity & IP Planning for CS & PS core Node e.g., GGSN, SGSN, STP, MSS, MGW, Unified, IN’s, HLR, etcResponsible for Planning and optimization for Circuit core, Packet Core, & IP network.Manage all End to End Packet Core Node SGSN, GGSN,PCRF , DNS, Charging Gateway, MPBN node like Gi/Gp/Gn, Firewalls, L2 L3 switches, routers and all other relevant Packet Core nodes.Verifies and implements in close contact with Configuration department IP&GPRS network configuration changes.End to End Packet Core Equipment Configuration e.g.,APN ,DPI ,PCR Plane PCC Rule , interface configuration (Gb, Gr, Gn, Ga, Gi, Gp, routing (DIAMETER, OSPF, BGP).Leading most of all major Activity . lIke ( Gi Gn Gp Traffic Migration to new Jumbo Firewall ,Gy traffic migration to New OCS , GX connectivity to all Other HUBs ,Inter hUb Packet core traffic migration to MPLS Network etc.)Managing and configuring Core MPBN/Packet core network for Customers.Assisting in all types of expansions or up gradation in PACO Network.Providing resolution of GPRS/EDGE related complaints to the customes.Responsible for all new Implementations planning & execution for Packet core Providing solutions to RA & Mediation for CDR related issues & queries.Responsible for Resolution of Customer Complaints regarding GPRS/EDGE.Weekly Router Backup activity carried out.Configuring BSC sites for DATA/GPRS connectivity in SGSN Show less

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  Huawei Telecommunications Ltd

  Apr 2014 - Jul 2016

  • Managing Configuring and troubleshooting IP/MPLS Backbone Network of Idea Cellular Ltd with 70 Juniper Routers.• Troubleshooting the issues of different protocol like OSPF, BGP, MPLS.• Troubleshooting the issues of different telecom services like STP, IP/MPLS , ILD, NLD etc.• Installing and Configuring Routers and Switches and also making daily update of Routers and Switches.• Identifying and resolving Network Connectivity problems on CISCO supported products and related issues.• Generating and Maintaining reports like CPU Utilization, Health Checkup, Memory Utilization, configuration Backup and Incident logs of all Routers and Switches. • Preparing and maintaining Database to record all the changes occurs in the IP/MPLS Backbone Network.• Coordinating with Transmission Team to resolve the issue regarding Media.• Configuring VLANs for different Departments and Trouble-shooting for LAN and VLAN’s, VTP ,STP operations.• To Keep Continuous Eye on regular Network Expansion and coordinate with Network support team for desired up gradation.• Carrying out various activities to maintain stability of network.• Experience in configuring & troubleshooting MPLS, L2VPN using , OSPF as a Routing Protocol between PE-CE.• Configuration and maintenance of various Juniper Routers and Switches according to the needs and requirements at Customer end and Provider end. • Maintaining MPLS network for IP based GSM network payloads, different services carried by VPNs• Configuring various customers VRF routes to feed customers with different services for every services such as 2G, 3G ISP, IPRAN etc. • Fault recognition on various tools such as Network Node Manager and Nagios and fetching performance graphs for different nodes and interfaces.• Carrying out activities to configure various bundle and physical interfaces as per requirement on Juniper M 120, MX - 480, and MX- 960 routers and Juniper 4200 series Switches. Show less • Operation, maintenance, design, integration, co-ordination and troubleshooting of NLD network IP routers & switches.• Troubleshooting the customer issues for different services within SLA.• Configuring, Implementing and Administration of WAN link connections and troubleshooting given connections.• Corrective maintenance, preventive maintenance and fault management and Routine back up of all IP NLD NodesProvide emergency support and perform on call duty for any network anomaly or failure.• Configuration, troubleshooting and Management IP/MPLS NLD Backbone Network of Idea Cellular Ltd with 70 Juniper Routers.• Troubleshooting the issues of different protocol like OSPF, BGP, and MPLS, STP. Show less

  • IP/MPLS Engineer

    Apr 2014 - Jul 2016

  • Technical Support Engineer

    Apr 2014 - Jul 2016
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  Vodafone Idea Limited

  Jul 2016 - Apr 2019

  Senior Engineer

  Operation, maintenance, design, integration, and troubleshooting ofPunjab IPRAN network.•IPRAN relocation from Pakhowal to New Ldh Ro location with theshifting of all PreAggs and RNC parenting Pakhowal IPRANandmigration of 2G,3G,4G, and Enterprise services.•Commissioning and Integration of NE-40E-X8 with existing PACO andMPBN network along with NLD and Integration of New GGSN inPunjab with IPRAN network.•Complete circle RR routers swap from existing NE 40 X8 to New HuwNE 9000 routers with complete traffic migration of live services.•Migration of All ICR links from PACO to IPRAN routers bypassingPaco and allowing the ICR traffic to flow via IPRAN to ICR partner.•Breakage of existing ring architecture between Dholewal and ROPreAgg and establishment of new HUB-SPOKE architecture.•Implementation of Dual STP Architecture and migration of live trafficfrom static routing to BGP making geo redundant dual exit for PunjabSTP traffic.•Installation and configuration of new Huawei X8 Aggregation routersat various locations and Integration of RNC's parenting the installedrouters.•Migration of live RNC connectivity and 3G/4G traffic from ZTE routersto new Huawei NE40 X8 routers and Migration of live Pre-Agg routerscarrying access or mobility traffic.•Introduction of MORAN technology in Idea IPRAN network withVodafone Punjab by connecting the two big IP networks with eachother.•Complete MPBN swap from existing ZTE M3K routers to new M6Krouters with complete migration of circle STP and core nodes traffic.•Integration of SBC and MGCF at IPRAN and MPBN routers andproactively completing the entire IP nodes reachability for VoLTEservices.• Implementation of BGP-LU in complete IPRAN network Show less

• 

  Tata Communications

  Apr 2019 - Feb 2021

  Assistant Manager

  • Planning of Ospf to ISIS migration of access rings and implementation of prepared mop.• Planning of consolidation of VIL Punjab, HP, JNK and Delhi circle IP network.• Connectivity of new Oss with the Ipran router and integration of all NE’s from existing Oss to the newly integrated Oss.• Connectivity of Vodafone Nokia RNC with Idea Zte packet core nodes as a part of network consolidation and implementation of direct tunneling feature.• Migration of complete live traffic from Jal BBK Cen router to other to make it free to relocate to new location for new VGw integration.• Relocation of Moga and Pathankot Cen router for new VGw integration.• Designing and implementation of ISIS design in the core ring and migration of entire ring from ospf to Isis design.• Planning and designing of end state architecture of VIL network for all the 4 circle as a part of network consolidation on IP perspective.• Complete IP fication of Ludhiana and Chandigarh falling A1 towns category.• Complete swap of Erstwhile Idea Jal Huawei NE 40 X8 IPRAN routers with the New Juniper MX 960 routers with the migration of complete services running on the Huawei routers.• Ospf to Isis migration of core IPRAN ring of Erstwhile Idea JNK circle. Wan links running on ospf are shifted to Isis domain and smooth exit of traffic through NLD.• Integration of new IP Bsc’s at Ferozepur and Batala Pre Agg routers.• IP planning on proposed end state network architecture after consolidation and preparation of proposed BOQ data depending upon the end state requirements including future projections. Show less

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  Jio

  Feb 2021 - Dec 2021

  Manager

  Installation and Commissioning of all the Access devices in thenetwork. Planning and Integration of new CSS/AG1 nodes in the IP Accessnetwork. Identification of missing configurations and Dual homing of all the IPaccess nodes. Enterprise Mop preparation with timely execution of all the requiredconfiguration and Troubleshooting of all types of Enterprise links andproviding extended support to field team in case of any outages.Planning of new MDS L2 switches with required takeoff sites to delivervarious Enterprise links. End to end planning of IP Access network including Indoor Small Celland Outdoor Small Cell sites and Wi-Fi sites and ensuring properintegration of all the desired nodes in the network to meet up thebusiness targets. Taking lead of weekly access network review with the team membersand figuring out various dependencies to ensure smooth workflow Show less

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  Vodafone Idea Limited

  Jan 2022 - now

  Assistant General Manager