Summary
Overview
Work history
Education
Skills
Custom
Personal Information
Certification
References
Timeline
Generic

Lalithraj Pushparaj

Timperley,Trafford

Summary

Highly skilled telecommunications professional with extensive expertise in 5G, 4G, IoT, and legacy technologies including 3G, 2G, GSM, UMTS, and LTE. Proficient in utilising advanced tools such as Nokia CM Advanced Configurator, NetAct, ENM platform, and Huawei iManager M2000 for network configuration and optimisation. Demonstrates strong capabilities in microwave planning using Pathloss and ATOLL Planning Tool alongside hands-on experience with Cisco switches, Alcatel routers, and IEEE Wi-Fi standards. Adept at managing OSS tools like IBM Tivoli Netcool Configuration Manager and delivering seamless network operations through platforms such as BMC Remedy and Citrix. Committed to driving innovation in O/V/C-RAN technologies while ensuring robust network performance across diverse systems. Knowledgeable about technical engineering with solid foundation in problem-solving and analytical thinking. Strong communication and teamwork skills, combined with quick learning ability. Ready to use and develop technical knowledge, project management, and innovation in [Desired Position] role.

Overview

20
20
years of professional experience
2007
2007
years of post-secondary education
1
1
Certification

Work history

RAN Technical Engineer

Telefonica UK-Connect44 UK
02.2016 - 06.2025
  • Beacon3 optimisation and Feature trial
  • Checking performance of 2G/3G/4G/5G and analysing these parameters such as Voice CSSR, DCR, Data DCR, HO SR, RAT HO and CS Traffic for 2G.
  • LTE Accessibility, Availability, VoLTE SSR, DCR, Inter and Intra HO, SRVCC, throughput, TA, CQI and eRAB attempts.
  • Quality Triggered Mobility in Ericsson 4G
  • L23 threshserving low Trial in Ericsson 4G
  • Connected Mode Mobility Trial in Ericsson 4G
  • Global SCell Evaluation Trial in 4G
  • PDCCH Coverage Extension Trial
  • L21 A5 Based Mobility Trial
  • L21 Idle Mode Quality Triggered Mobility Trial in Nokia
  • Intra frequency A3 offset and Time to Trigger tuning trial in Nokia 4G
  • Supporting parameter tuning for 3G shutdown in O2 network
  • 5G-SA/NSA-MME/AMF deployment trial
  • 4G-5G SA Idle Mobility feature
  • OMCR Team Lead
  • Technical support FOA trial for NB-IoT(Narrowband-Internet of Things)/5G NR
  • Work with the wider team to monitor performance to confirm designs working as expected. Where they are working as expected, prepare trial exit documentation.
  • Support the field trials of new products and initiatives prior to wider deployments.
  • RAN design and RAN Databuild for LTE/3G/2G for Multi-vendor Networks for Telefonica and Vodafone.
  • Nightingale Hospital for Covid-Design and planning was completed in short time for O2.
  • Commission and integrate 2G/3G/4G/5G RAN products in commercial deployments
  • Work with customers to integrate and commission network elements involving Transport Network, RAN and Core platforms
  • Preparing Asset coverage predictions and submitting CR for approval.
  • Understanding of the complex interaction between coverage and capacity in the mobile radio access network
  • Develop and continually improve processes and methodologies used within the team.
  • Create clearly documented designs with sufficient information to allow the test facility to build the configuration. & rollback procedure.
  • SDH & Ethernet Ring testing using equipment ATN20,RTN905/910/950
  • Supporting SDH related faults troubleshooting the TDM/Ethernet circuits
  • React to all customer requests in a timely & professional manner like Sync Ethernet and DCN issues within SLA
  • Supporting carrier addition 1800/2100 on TEF-Huawei sites by swapping MRFU into 5502/5503/5507 RRU
  • MIMO configuration by adding 2600 and making 2TR to 4TR and defining RET and TMA
  • Providing IPVPN L3 technical support on Huawei Microwave
  • SW Upgrade into 4G/MW sites, create backup and download and activate during the change request.
  • Radio design of Special events/temporary sites by adding/reverting parameters for best network practice.
  • Huawei Microwave planning and design for Special event sites using Pathloss tool to create link budget
  • Provide input to RAN technology roadmap, refarming the network and recover frequencies for new technology addition and design.
  • Lead and own design of Special Project’s solutions for Tunnels, Airports, Shopping Centre & other High Capacity locations.
  • Special Event parameters with the master design template
  • Technology addition like U2100 & L2300 and redefining services & HQOS on Microwave Beacon2 London Vodafone unwind activities
  • Producing LLD and Link Budget for MW installation using Magnet IPD tool.
  • New Cell Integration and Special event sites planning, Small Cell planning and deployment.
  • RRU configuration and offloading traffic from macro sites.
  • Liaison for any Hardware related issues of new Beacon Sites with Nokia Post Event Management within Stability period and Coordination with Nokia through resolution.
  • Involved with ATOLL Data checking and validation/design for Beacon Sites(Telefonica/Vodafone)
  • Building Microwave links and Operational Acceptance of Beacon Microwave Link.
  • Migrating from L2 BT MEAS & Deploying L3 E-Line services & HQOS on Microwave nodes to provide services to 2G/3G/4G using MAGPLUS
  • Involved in BT TDD23 Box swap for Ericsson and NSN sites.
  • PCI retune & TAC changes on TEF/VF, Load Balancing on 4G
  • Spectrum Recovery- Frequency Retune
  • Responsible for the quality of producing Neighbour plans and ensuring timely delivery.
  • Using Remedy tool to resolve Customer ref tickets raised for Magnet IPD plans and resolving Incidents.
  • Decommissioning of 2G, 3G, 4G technologies and SE Microwave links.
  • Network Operations and 2nd level support for the LTE/3G/2G network for both NSN and Ericsson equipment.
  • Excellent team player for LTE rollout and Beacon Projects for Telefonica/Vodafone.
  • Coordinate with Field Engineers, Radio Planners and Transmission team to carry out BAU work.
  • L2-L3 IPVPN & HQOS Microwave configuration on beacon network on Huawei U2000
  • Microwave software upgrade on live sites
  • Acceptance of the new sites by validating all radio related parameters with operational checks.

BIS Lead Engineer

HUAWEI (UK)-COMVERGENT (UK)
01.2012 - 01.2016
  • Preparing BIS HOP report for each 2g/LTE (1800/2600) sites which got integrated to M2000/U2000.
  • Checking and preparing configuration files, back up files from M2000/U2000.
  • Exporting PRS stats with different KPI’s to pass BIS.
  • Nemesis-Commercializing 2G/LTE site.
  • In case of issues with alarm promptly escalating to Partner Company for alarm clearance as soon as possible.
  • Raising tickets (IPCM) and passing to relevant team and getting updates to resolve issue.
  • Keeping P (3) tickets to minimal and assisting in quick response and recovery.

RAN Design support Engineer

HUAWEI (UK)-COMVERGENT (UK)
09.2013 - 02.2015
  • Responsible for activation of 2G/LTE site on M2000.
  • Migration and expansion of site design as per RF requirement.
  • Coordinating with Different vendor team to successfully swap BTS on Huawei and put on air.
  • Liaising with Field engineer and successfully swapping to Huawei BTS before expiry of access.
  • Having in depth knowledge on Huawei BSC6900 in integrating to RAN NE.
  • Upgrading S/W on Huawei BSC6900.
  • Supporting in planning BOQ.
  • Site design using Nemesis and adding technology.
  • Updating BT Lat/Long file for emergency coverage(ESN).
  • Responsible for Auto Deploying the Sites in M2000 and then making sure that Transmission (BT Tellabs/ CX600 and Sec GW) is through to Bring LTE Sites up.
  • Having in depth knowledge on Huawei BTS 3900L, 3900A, and Micro site 3900E, doing in-depth radio test for Huawei BTS like VSWR Test, Main diversity Test.
  • Coordinating Call Test with the engineer on Site and making sure all Service affecting Alarms are cleared for Acceptance.
  • Monitoring Traces and Identifying/ Troubleshooting Performance related issues i.e MRFU 2G/LTE Dimensioning, CPRI/ Feeder cables Crossed, 3G/4G intersystem Parameters wrongly defined etc.
  • MHA change as and when required to improve performance.
  • Ping Test from bts/enodeb to Tx equipment.
  • FOA support for CSFB feature testing.

Radio build & Planning Engineer

HUAWEI (UK)-COMVERGENT (UK)
07.2012 - 09.2013
  • Scheduling Data build on daily basis for planned swap sites.
  • Collecting data pack information from Tx & Rf team.
  • Preparing summary file, template and script through CME for 2G BTS(3900A,3900L,3900E) & LTE(eNodeb) site creation in days advance to swap schedule.
  • Creating Enode-B template on SRAN8,9,12.
  • Responsible for Integrating Coordinating Additional Carrier (2600 1st carrier/2600 2nd carrier/800 Carrier).
  • Rebuild if required in short notice and adding Neighbours additions.
  • Troubleshooting in case of activation error.
  • IP-Sec Migration.
  • Dealing with TX source file and converting in to Regular format.
  • Collecting all configuration files and supplying to partners.
  • Troubleshoot expertise on Huawei 2G BTS and LTE upgrades.
  • 3rd line Support to Customer complaints.
  • Meeting client SLA in resolving the issue’s in the network.
  • Managing required site visit & coordinating with field engineer & TAC in resolving the issues.
  • Escalating the issues and passing to relevant team on daily call.
  • Updating on STK-Problem report too.

UMTS RAN Engineer

Ericsson (Three UK)-Comvergent (UK)
01.2010 - 01.2012
  • Responsible for RAN Performance and KPI improvements TMO, H3G Network across U.K.
  • Investigation of the Customer complain Tickets and providing optimum resolution.
  • Worst cell analysis & providing recommendation to improve CS/PS DCR, RRC Success Rate, RAB Success Rate, Soft Handover, Inter frequency and Inter RAT handovers.
  • Hands on Experience on Nokia Netact PM/CM tools (Optimizer, Element manager RNC-WBTS, FE Manager, License Manager, SW Manager, AXC Manager, Monitoring tools, HIT and Tang).
  • Using Nemesis for carrier / site build & BIS sites.
  • Using Pro-Optima and Business Objects to generate Utilization and performance KPI reports.
  • Optimization of RAN stats in terms of RAB CS/PS, RRC, CSTR, HSDPA throughput, HS Accessibility and Retain ability, PRX noise, Soft handover Success rate using (Metrica, Blarney, Metrocell Net-viewer, OMS Wallboards, RNW Online Monitoring tools).
  • Investigating Cross feeders and Faulty MHA's checks through drive test and statistics analysis.
  • Neighbour consistency checks and optimizing adjacencies for improving ISHO, IFHO and SHO.
  • KPI Driven project focusing on RRC setup Access failures, RAB CS & PS Drops.
  • Data-Build, 3G Reparenting, Site create/build, Neighbours provisioning.
  • Creation of 3G network Elements.
  • Second Carrier Upgrades for T-Mobile & 3UK sites.
  • Responsible for provisioning network configuration data for Node B Re-parents in agreed timeframes and to agreed standard.
  • Site Reverts back to Source RNC’s for the unsuccessfully reparented sites.
  • Creation of Node-B, creation of Cells using Netact Creation.
  • Knowledge of Enterprise tools (Blarney, ABCS, ABCS reparent, ABCS Navigator & NPS, Spectrum Nemesis, and TTMS).
  • Working Knowledge of UTRAN WBTS ULTRAN SUPREME,COMPACT, FLEXI WBTS complete performance, operations, fault handling.
  • Expertise in Nokia Tools like NetAct, CM operations manager, CM Editor, Optimizer, and Network Editor etc.
  • Knowledge of Element Managers such as Nokia AXC & BTS Managers.
  • Creation of neighbours ADJS, ADJI, ADGJ using XML plans.
  • Creation & Uploading of XML plans in Netact and provisioning of Plans.
  • Implementation of special Event and parameter update plans for Ericsson sites.
  • Neighbours Audit , Parameter Audit and Generation plans for correction of same.
  • Checking performance of Sites after Reparenting and MORAN, Propose Post reparent Action.
  • Iub Capacity check and performance Check.

UTRAN RNC Engineer

T-Mobile (UK)-Comvergent (UK)
01.2009 - 12.2009
  • Implement generic data build from initial request to implementation.
  • This will involve revision of generic data build, creation of generic change files, loading and verification of data build onto the Network like IUR, Iu-CS and Iu-PS links.
  • Auditing of changes post-implementation and for general data build integrity across the network.
  • Providing 2nd Line support on all configuration issues to the SMC and other departments via a callout rota.
  • Support pilot and roll-out activities as required when configuration delta’s have to be implemented and work with all the relevant internal & external agencies to ensure all service-affecting issues are resolved.
  • Troubleshoot Nokia RNC and System acceptance test.
  • RNC OMS handling like backup, restore and correction implementation.
  • RNC(450/2600) Integration on IP and ATM based interface between SGSN and GGSN.
  • HSDPA , HSUPA and HSPA implementation & testing.
  • To liaise with teams such as SMC to ensure that FOM targets are maintained.

RAN SOG Engineer

Ericsson (UK)-Comvergent (UK)
04.2008 - 04.2009
  • Part of a dedicated set of 8 Engineers working for MBNL War Room maintaining MBNL availability for H3G and Everything Everywhere performing network diagnosis, rectification and RAN implementation.
  • Responsible for the fault diagnosis and restoration of Node-B, BSC faults in an efficient and timely manner that has missed their initial SLA before breeching set levels coordinating with C3 and field.
  • Involved in Ethernet-related trial projects, network-level data integrity corrections.
  • Performed SNIED changes, NPGEP load balancing, SCTP reworking, IP rerouting, Single VLAN to optimise the IP Ethernet network. check the Microwave is remotely managed and set to correct VLAN.
  • Coordinated with Transmission support with configuring & migrating sites from ATM based IuPs to IP Ethernet Re-Commission Ethernet Ultra and Flexi Node-Bs for Bandwidth Upgrades for GiG-E.
  • Commissioning and Integration of NSN Flexi migrating sites to Layer 3 from Layer 2 or ATM.
  • Post Migration Activity checks of O&M, COCO deletion, correct Node-B Licences and Software version.
  • Act as an escalation point for the Service Desk and Customers, liaising with Field Operations and OLO Transmission.

Engineer

C-DOT ALCATEL RESEARCH CENTRE
06.2006 - 04.2008
  • Company Overview: Chennai (India)
  • Wi-Max Interoperability Testing & System Integration of Various CPE’S (Customer Premises Equipment) and mobile with ALCATEL Base Station based on 802.16e standards.
  • Interoperability Testing of various CPE & Mobile with ALCATEL Base Station based on 802.16e standards.
  • Conformance and Radio certification testing based on WIMAX 8012.16e standards.
  • The objective of this project is to test and validate different types of CPE’S (Sequans, Quanta, Zyxel, Beecem CARC) with Alcatel Base station with new features and updated versions of software’s.
  • More focus is on testing the RAN elements in the Wimax Network.
  • Three different types of tests (Basic, Applicative, and IOT) have been conducted to validate both CPE and BS using sniffing tools like wireshark, xcap & Agilent Spectrum analyser, feature testing for conformance and radio certification testing based on mobile wimax standards.
  • Chennai (India)

Engineer

Philips R&D
03.2005 - 05.2006
  • Company Overview: Bangalore (India)
  • Platform testing based on WIFI 802.11 a/b/g standard for Philips streamium device using Philips Media Manager.
  • Bangalore (India)

Education

Post Graduate Diploma - Telecommunication software development

Axes Technologies

Electronics and Communication

Periyar University
01.1998 - 01.2002

Skills

  • 5G
  • 4G
  • IOT
  • 3G
  • 2G
  • WiMAX
  • GSM
  • UMTS
  • LTE
  • Cramer
  • OMS
  • Putty
  • IPD
  • Metrocell Live
  • MapInfo
  • Godiva Explorer
  • Nokia CM advanced configurator
  • Blarney
  • Spectrum
  • Netcool
  • Nemesis
  • Circuit Manager
  • CM Editor
  • CM Planner
  • XML Editor
  • RNW Measurement Presentation & Reporting Suite
  • Nokia NSN NetAct
  • OSS tools
  • Top Level User Interface (TLUI)
  • RNC RU20/RU30
  • IBM Tivoli Netcool Configuration Manager
  • SIAE
  • NEC
  • Huawei RTN905/910/950/980
  • Ericsson MiniLink Microwaves
  • NEMS
  • NMS
  • ENMS
  • U2000
  • I-Master-U2020
  • ATOLL Planning tool
  • ICS
  • Pathloss microwave planning tool
  • ADCBuild
  • ISite
  • Minerva
  • Apollo
  • Netact
  • GIS mapping
  • RBS Element Manager
  • SIU Element Manager
  • AMOS
  • WINFOIL
  • OMCR
  • MOSHELL
  • OSS Common Explorer
  • OSS Explorer
  • ENM platform
  • Huawei iManager M2000
  • U2020
  • PRS
  • CME
  • BMC Remedy
  • OMAR
  • Atlas
  • IPCM
  • Amdocs
  • Citrix Platform
  • HIT
  • XTerm
  • CLI Manager
  • TANG
  • MML
  • Cisco 6800 Switches
  • Alcatel Router Configuration
  • IEEE 80211a/b/g Wi-Fi
  • WLAN
  • TDM
  • ATM
  • SDH
  • PDH
  • STM
  • IP
  • OSPF
  • BGP
  • DWDM
  • Ethernet
  • 3GPP
  • Mobile Wimax standards
  • O/V/C-RAN

Custom

  • Linux
  • Quick Test Pro
  • Ericsson Private 5G-Operation & Maintenance of NMP Training
  • Python Training
  • AWS Certified Cloud Practitioner, 2024
  • Cybersecurity from Cisco
  • Mavenir ORAN Training
  • CompTIA Security+ Certified, 2024
  • ISC2 Cybersecurity Certification, pursuing

Personal Information

Total Experience: 19+ years

Certification

AWS

CYBER SECUIRTY

References

References available upon request.

Timeline

RAN Technical Engineer

Telefonica UK-Connect44 UK
02.2016 - 06.2025

RAN Design support Engineer

HUAWEI (UK)-COMVERGENT (UK)
09.2013 - 02.2015

Radio build & Planning Engineer

HUAWEI (UK)-COMVERGENT (UK)
07.2012 - 09.2013

BIS Lead Engineer

HUAWEI (UK)-COMVERGENT (UK)
01.2012 - 01.2016

UMTS RAN Engineer

Ericsson (Three UK)-Comvergent (UK)
01.2010 - 01.2012

UTRAN RNC Engineer

T-Mobile (UK)-Comvergent (UK)
01.2009 - 12.2009

RAN SOG Engineer

Ericsson (UK)-Comvergent (UK)
04.2008 - 04.2009

Engineer

C-DOT ALCATEL RESEARCH CENTRE
06.2006 - 04.2008

Engineer

Philips R&D
03.2005 - 05.2006

Electronics and Communication

Periyar University
01.1998 - 01.2002

Post Graduate Diploma - Telecommunication software development

Axes Technologies

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Lalithraj Pushparaj