Ejike Okwara

Experience

• 

  Ericsson

  Mar 2011 - Feb 2012

  RBS Engineer

  IPRAN (SIU / TCU / RBS / TX) ENGINEER [2G/3G].Supervise Complete RF Installation work and RBS Installation at LM ERICSSON NIGERIA LIMITED.·Integration of TCU/SIU technology model on RBS 2G/3G device.·Responsible for RAN equipment roll out on 2G & 3G, commissioning and acceptance.·Termination (Crimping) of E1 cables to transmission (DAC GE3)·Configuration of IPDCN Visibility network.·DACGE3 configuration for IPRAN deployment.·Performing the technical support, routine maintenance task and troubleshooting and system improvement.·Quality check on site performance strictly to Ericsson standard. ·Planning and managing the effective operations of the field engineer(s)·Implementation and maintaining effective management systems·Experience in Ericsson RBS 2000, 3000, & 6000 series implementation on various swap and optimization projects.·Implementation of transmission of E1 from the RBS cabinet.·Troubleshooting and resolving transmission issues on TX connectivity.·Establishing throughput transmission between terminal end and Connecting end. Implementation of IPRAN technology on 2G / 3G. Integration and Alarms Clearing on Radio base station. Show less

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  Ericsson

  Apr 2013 - Nov 2013

  RBS 2/3G Engineer

  FY13 (MTN project) and FY12(MTN project).* Integration and Commissioning of Node B for the RBS 6000 families (2G and 3G using Element manager, HyperTerminal,OMT and cygwin ) - Integration and Commissioning of the RBS 6601 using the RRUW Radio Unit - 3G and 2G Alarm clearing on the RBS 2000/ 6000 Series Cabinets - 2G TRX Upgrade and degrade for the RBS 2000/6000 Series Cabinet- Verify and Test DTF, VSWR using Anristu site master on all RF bands- 2G Integration and configuration of SIU for the RBS 2000/6000 series cabinets (ip interface, ip routing) - RBS swap from 2216, 2216V2, 2116, 2116V2 to the RBS 6000 family and commissioning it - Performed the installation and commissioning of RBS 6000 family (using OMT 41H, 42H, 44H, 45A, 48S, 49B) - Performed upgrade and downgrade of BTS sector TRX on RBS 2000/6000 series cabinet - Alarm configuration after swapping from RBS 2000 to RBS 6000 series cabinets - Proficient usage of different telnet software (java-based and PC-based) e.g. Moshell, EMAS, Hyper-terminal, OMT to access and troubleshoot different Ericsson 2G and 3G RAN products (BSC, RNC, Node B, 2G BTS).- Performed Site Audit and Optimization, Correction of RF Swap. - Investigation and diagnosis failed swap BTS site to avoid reoccurrence.- Installation and commission of Minilink and Avait. ntegrated, debugged and troubleshot Ericsson RBS into the GSM/WCDMA network using applications such as Cygwin, Element Manager (EMAS), Operation and Maintenance Terminal (OMT)• Monitored 3G nodes on the RNC which resulted in improvement of 3G availability in the west region• Initiated and implemented optimization schemes to increase coverage and performance on 3G RBS• Analyzed network statistics using Microsoft Excel to provide solution on key performance areas on the MTN mobile network Show less

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  Ericsson Broadcast and Media Services

  Nov 2013 - Jan 2014

  RAN/Transmission Engineer

  MICROWAVE TRANSMISSION ENGINEER• Integration of microwave (Terminal end and Connecting end) link.• The use of Aviat network tool 0.2, 0.6, 1.2, 1.8 and etc.• Troubleshooting and resolving issue on ODU fault.• Aviat upgrading from TDM to IPRAN.• Mapping of Route traffik on transmission on the microwave radio.• Licensing of the cluster point on the terminal end and connecting end connectivity.• Activating connectivity between existing site and new fresh sites.• Troubleshooting of alarm that may arise on the transmission device.• Troubleshooting link issue between hops end to CP(Cluster Point) end.• Integration of DAC GE3 on RBS 6000 transmission series and/or Cross-connections, Traffic or E1 termination, traffic capacity upgrade.Baseline upgrade to TN4 and module upgradePerform Network Sync on TN DCN configuration on TNAlarm clearing and troubleshootingIP RAN.Supervisor over all ASP installers on Airtels project on new links(ODU mini links) Show less

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  Ericsson LMN

  Feb 2014 - Feb 2015

  BTS and RBS 2G/3G Supervisor Engineer

  Western Region NCC Alarms for quick resolution and supervising FME on CF Alarms resolution.Coordinating Installation / Commissioning of Ericsson MW Links. Such as Ericsson Traffic Node (TN) using MINI LINK CRAFT.• Coordinating the timely implementation of sites.• Coordinating the implementation of RBS Sites, Site acceptance and quality assurance control.• Coordinate with other management work area to ensure smooth running of project.• Coordinating all team members to follow Ericsson/local regulations of standard safety and health.• Manage and supervise the implementation and installation work on site in accordance to Ericsson procedures.• Make sure that work is done according to installation instructions, manuals, Site Installation Documentation (SID) given by Ericsson for how to install Telecom Equipment.• Handles pre-implementation and installation inspection, and after the installation verification and quality.• Coordinating the implementation of RBS Sites installation, configuration, Site acceptance and quality assurance control in-line with Ericsson standard. • Responsible for performing full scope of integration activities, including pre-site preparation, configuration for appropriate network elements, and integration of applicable HW to a network for end to end sites. • Bringing any standalone hardware e.g Rus, RUG, RAU's, RAU, Pdu, Psu, Duw etc into an operational state.• Coordinates team lead to ensure quality work is done.• Handles implementation of ALU SWAP, CAPACITY UPGRADE and FULL SYSTEM UPGRADE.• Installation, Configuration/Integration/Support for RBS 6000series (2G/3G NODE) and Support/Trouble shooting/Alarm rectification.• Supervision of installation of Radio Base Station Site.• I ensures that appropriate materials are being sent to sites based on issued and approved materials reservation forms.• Configuration and termination of E1 traffic cables, E1 traffic routing and cross connection.• Swap out exercise from Ericsson Dual Band A Show less

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  HORPE- NET (NIGERIA) Ltd.

  Mar 2015 - Aug 2015

  Project Manager (PM).

  Managing a large capacity of Resources (Engineers and Riggers) in meeting my company’s customer requirements on Rollout sites either by installation, integration or modifying existing network resources by upgrade to our customer’s requirements or requesting network expansions. Managing resources on Technical Site Survey and audit.Managing and Monitors the entire projects within our client installation on the network sites given to us.Attends meeting within our customer by representing my company.Managed the 3G expansions projects on Airtel network.Managed FY14 and FY15 projects on Full End to End installation on MTN network.Managed 2G and 3G Alarm Clearing on MTN network.Organized Trains for my resources and staffs for the company.Managing the commissioning, ATPs of all rollouts in any networksSigning off Rollout sites for JCC after ATP from our clients. Show less

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  ETNS Project Solutions (NIG) Ltd.

  Oct 2015 - Nov 2015

  Field Supervisor Engineer

  Supervisor of decommissioning 2G and 3G from RBS 2000, 3000 to RBS 6000 series.Installation of outdoor RF feeders and termination, performance of various reliability test such as DTF test, insertion cable loss and return loss (VSWR) using Aritsu site master S331D type (DTF, VSWR).Testing, installation of RBS, Integration and Troubleshooting of RBS 2000 and 6000 seriesSwap correction on 2G and 3G (2000, 3000 and 6000 series).Alarm clearing on 2G and 3G (RBS 6601, 6102 and 6201)Upgrading of TRX on 2G Node of 6000 and 2000 cabinet to increase network efficiency.Configuring of Ethernet IP address for 3G network on RBS 6000 series (RBS 6601, 6102 and 6201)Replacement of faulty parts of RBS 6601, RBS 6102 and RBS 2000 series e.g. Faulty PDU, Fan unit, RBS brain, DRU, Restore CDU.Software upgrade on 3G by loading upgrade package on Node B using FTP client and RBS Element Manager.Installation of latest third generation RBS such as RBS 6201, RBS 6102 and RBS6601 e.g.; power cabling grounding and termination of jumper cables. SIU and TCU Configuration for Abis Over IP Reconfiguration of Cell Sites(RBS upgrades) Configuration of Abis over IP on MTN NWAdministering Daily System Operations and Maintenance of BSS Nodes using OSS Performing CP and APG backups on BSC nodes Show less

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  Huawei Technologies

  Dec 2015 - now

  Supporting the TX engineers on field to resolve Top listed Alarms Supporting on resolving Packet loss on node B. supervising on Transmission work by using MINI-LINK craft to map-out E1s by cross connection from DXX point of near-end terminal to the far-end terminal in MTN sites Installation of microwave and commissioning, Testing, Troubleshooting and maintenance of Mini-Link E-Traffic Node Equipment. Installation of microwave and commissioning, Testing, Troubleshooting and maintenance of Mini-Link E-Traffic Node Equipment Installing, configuring of new radios and plug-in-units (MMU2, RAUX and RAU2X) Troubleshooting faults on traffic node equipment and resolving the problems using Mini Link Software (MLETN) Supervising all FME Engineers, installers and their teams on Installation, configuration and troubleshooting of these new equipments(new links of ODU mini links) and I also supervisor the cutover of the old links with the new links in Airtel network sites Installing, configuring of new radios and plug-in-units (MMU2, RAUX and RAU2X) Troubleshooting faults on traffic node equipment and resolving the problems using Mini Link Software (MLETN) Mapping out of E1 for new sites (Traffic Routing)and replacement of faulty plug-in-units 3G cross connection and capacity upgrade of radios Implantation of IP address on site for remote access over IP based DCN network Installation and Point to point Microwave link alignment. Equipment knowledge: HUAWEI, NEC, MINILINK, Minilink-TN Technology. (Ericsson GSM 900, 1800Mhz, Node B,) BTS, Ascom Plant/Rectifier, Ascot Genset, Batteries, Antennas, Krone box connections, Cabling, SAM/INALA etc. Show less

  • FME

    Apr 2016 - now

  • Back office/TX Engineer on network performance management (NPM)

    Dec 2015 - Mar 2016