Tinoj Varghese

Responsibilities: July 2020 to Present
▪ Working in Core, IMS & HSS network performance and optimization domain for Managed Services clients.
▪ Involved in Analysis and KPI improvements of CS & IMS network with NEs - Huawei IMS, HSS, DRA, STP, & Ericsson CS Core nodes.
▪ Performed SIP & Diameter protocol cause analysis for IMS network nodes like CSCF, DRA, TAS, ENUM, SBC
▪ Worked on KPIs like RTP Packet loss and performed DSCP & QoS/Pbit parameters modifications for CS core & IMS networks as per QoS Design document.
▪ Preparation of low-level design (LLD) for IMS nodes vCSCF, vATS, vSBC, vDRA vENUM & STP SG7000, Huawei HSS FE & BE.
▪ Preparation & finalization of KPI formulas & Dashboards for Volte &VoBB IMS.
▪ Initiate and arrange meetings with BO & related domains like RAN, Transport & IP teams for joint discussions.
▪ Involved in discussion with customer and product management team for capacity related to the nodes.
Analyze the impact of network changes on capacity management. Involved in special projects initiative & audits for improving KPIs.
▪ Supported in KPI baseline & SCP calculations & for monthly sign off.
▪ Ideated for automation & digitalization activities of various KPI reports & dashboards.
▪ Worked in IMS Network Audit of configurations and KPI involving Ericsson & Huawei IMS nodes for clients like Telcel Mexico.
▪ Supported in Special Project Initiatives for improvement of KPIs like IMS CST, RTP & STP Link optimization.
Nodes Handled:
Huawei IMS - vSBC SE2980, vCSCF, vATS, vENS
HSS FE & CUDB - Huawei
Ericsson BSP- APZ21260, DRA-Huawei SPSV5, STP- Huawei SG7000
Awarded with ACE award for Q1 2022 for outstanding performance
Responsibilities: April 2018 to July 2020
▪ Worked as Circle Core NPI lead - Bharti Airtel, Karnataka, handling network performance, planning and optimization of Core nodes.
▪ Regular meetings with customer for discussion of HLD and KPIs.
▪ Preparation of low-level design (LLD) for MSS, DRA & SBC and provides routing related solutions. Nodes include Huawei MSS-MSOFTX3000, MGW-UMG8900, SBC-SE2900, DRA- Huawei SPS, Ericsson BC/BSP-MSS.
▪ Preparation of DRA LLD for HSS interface Cx interface (ICSCF), Sh (TAS), S6a (MME) and PGW interfaces like S6b (AAA), Gx, Gy interfaces configurations.
▪ Monitoring of Nokia NTHLR & HSS capacity utilizations, FE CPU load & KPIs like VLR / S6a success rate, SAI, SRI & SRISM success rates.
▪ Preparation of LLD for Integration of HLR Fes to STPs.
▪ Preparation of LLD for VOLTE- CFX, TAS, SBG integration with MGCF & DRA.
▪ Regular interaction with IMS team for break out routing plan finalizations & volte KPIs like SCR, SBC/TAS utilizations, CST, TADS, Registration success rate.
▪ Involved in plan preparation and configuration of new to-be integrated nodes.
▪ SIP protocol POI (SBC- SE2900) plan preparation between other operators with and VAS servers.
▪ Preparation of plans for POI, GT routing, number analysis.
▪ Involved in discussion, finalization & preparation of core network plans for customer’s major project like TATA merger & ensured it to be flawless.
▪ Prepared plans for MSS node migration, optimization, and network offloading.
▪ Regular core performance monitoring to MSS&MGW KPIs like erlang, device pool capacities, CSFB, SRVCC SR, STP Link load.

Nodes Handled: Huawei MSS/MGW - MSOFTX3000/ UMG8900, Ericsson BSP- APZ21260, SBC-SE9200, DRA-Huawei SPS

Responsibilities:
Working as circle core network operations & NOC lead, handling nodes like Huawei MSS, UMG & HLR and core network performance.
Point of Interconnectivity (POI) in-charge for the circle for new & augmentation of interconnection with all operators including with government operator BSNL.
Network Security champion for the circle. Involved in Department of Telecommunications mandated Technical audits and implementation of network security practices.
Extensive hands-on experience on configurations and trouble shooting of Huawei equipments.
Implemented STP signaling link connectivity over SIGTRAN.
Actively involved in the LLD preparation of own rollout of circle revival project.
Aircel 3G &2G radio network integration to core network by configuration of IUCS & A interface & sound knowledge of RANAP & BSSAP protocols.
Implemented IN connectivity with MSC on CAP protocol.
Integrated MGW to MSS on H.248 protocol.
Trace analysis on protocols SS7, SIP protocols for troubleshooting.
POI connectivity establishment and AT done with other operator networks and BSNL.
SIP protocol over Nc interface established between MSS.
Performed patch and software upgrades of MSC, MGW & HLR.
Implemented of National MNP (Mobile number Portability).
Huawei HLR9820 GT configurations & SMU subscriber database & template creation.
Regular core performance monitoring to monitor & improve KPIs.
KPI reports prepared for regular update with management team.
Implementation of roaming configurations in MSC & HLR and testing of IR 21.
Resolution of hardware related issues like board replacements in Core nodes.
Successfully integrated CMS server to the network as a part of DOT project of centralizing lawful interception handling.
Managing of NE 40 routers in the network.
Supports the team members to ensure efficiency in operations and meeting of targets as a team.
Hardware Handled:
Huawei MSS - MSOFTX3000,
MGW - UMG8900
HLR - HLR9820,
Router - NE40 Series

Responsibilities:
Worked as Core Network expert in Huawei switch MSOFTX3000, media gateway UMG8900 & HLR 9820 Operations & NOC team.
Implemented 2G/3G ICR (intra Circle Roaming) in 2009 and successfully tested, which was for the first time commercially launched between two operators.
Software upgrades and Patch upgrades & hardware expansion in Huawei MSC, & HLR done.
GTT configurations performed for MAP, CAP protocol based connectivity.
Involved in LLD discussion with customer on the launch project of Aircel MP Circle.
Integrated MP circle UMG8900 to Kerala MSS MSOFT3000. Performed MP circle B table, routing and GT configurations in Kerala MSS and managed the same.
Implemented MP circle subscribers with templates on the Kerala HLR 9820.
Implemented Intra circle MNP (Mobile number Portability) as per the DOT schedule.
Huawei HLR 9820 configuration & maintenance-subscriber database creation.
Implemented POIs on SIP protocol with other operator networks.
Hardware troubleshooting and board changes were done & also batch cards replacements in core node were done prior to upgrades.
Integrated Major VAS nodes to the Network like Roam ware server, Telecordia IN IVR, CRBT, Push SMS promotional servers.
Awards:
Awarded as Star Performer of Huawei Telecommunications, Kerala.
Hardware Handled:
Huawei MSS - MSOFTX3000,
MGW - UMG8900
HLR - HLR9820

Ericsson is a world-leading provider of telecommunications equipment and services to mobile and fixed network operators.

Project: Bharti Airtel Ltd.
Responsibilities:
 Operations and maintenance of MSC, HLR & BSC for the client bharti Airtel.
 Responsible for BSC/MSC Node hardware expansion activities.
 Prepared of script for hardware expansions.
 Responsible for Node Hardware Changes like APG Nodes and troubleshooting of hardware related issues like CP and other board faults.
 Performed AXE810 APG recovery procedure.
 Hands-on experience in load balancing plans and BSC rehoming activities.
 Involved in routine activities such as B table analysis and routing analysis and other maintenance/health check of all AXE nodes including HLR, GMSC, MSC, and BSC for the circle.
 Provided solutions for other VAS vendors, like CRBT, SMSC for connecting to the core network.
 Responsible for POI interconnects with Other Operators within the Circle.
 Played a major role in integration and testing of new AXE nodes (MSC & BSCs) in close coordination with Network Implementation team.
Equipments Handled:
 Ericsson GSM AXE 810 MSC, HLR, BSC

Tata Teleservices Limited (TTSL), a subsidiary of the Tata Group, is one of India’s leading private telecom service providers.

Switch Operation & Maintenance (Ericsson AXE 810 CDMA Switch): - Madras & Kerala
• Responsible for overall switching Operations and Maintenance Activities of the Telecom Circle.
• Implementation of CCS7 Links between MSC & Other Operators for POI
• Timely attention for solving customer complaints.
• Preparation Performance Reports on KPIs, Trunk Groups’ utilization
• Preparation of Traffic trends of Trunk Groups’ & PRI routes for regular/timely augmentation.
• Creation, configuration of the ISDN PRI subscribers & coordination with vendors for providing better service for the Customers.
• Necessary studies and action to meet Switching & Network Optimization requirements.
• Traffic Study, ASR Analysis & Release Causes using Protocol Analyzer (Tektronix K15).
• E1 Planning and Traffic Projections for the POIs.
• Analysing Call Traffic Data and taking networking decisions for ensuring the quality of service in co-ordination with POI partners.
• Creating Trunk Groups / Codes and routing the traffic.
• Co-ordinating with BSNL and other POI partners for improvement in quality of service.

Switch Planning - Chennai (Madras)
TN & Kerala (South Hub):

• Roll-out plan
• POI Management & Expansion planning
• Routing and Charging plan
• Performance Management
• Monitoring and optimizing important Network KPIs
• Preparation of Site Layouts.

Switch Implementation:
• Implementation of Ericsson AXE 810 switching network in various locations of Tamil Nadu.
• Implemented & Integrated AN2000 UTSTARCOM DLCs
• Implemented of TELES i switch for providing ISDN services
• Involved various up gradations & A/T with respect to switches

telecommunications service provider in India.

Involved in Last Mile Network Planning activities for the Wireline network.