Telecom Engineer - 15+ Years in 2G-5G RAN Operations
Resume:
Omon Godwin Ebalu
* *** ******, *********,*******
Abidjan ******.*****@*****.***
I am a result-driven telecommunication expert of over 14 years’ experience with a successful career progression in the professional information, communication, technology and management industry. I have a proven record of achievement in the operation and maintenance of Ericsson Radio access network elements of 2G,3G,4G and 5G (BSC, RNC, BTS, Nodeb, Enodeb and Gnodeb), reintegration of DUW, DUS and Basebands for 2G,3G,4G and 5G nodes, good troubleshooting and alarm clearing skills, good understanding experience of scripting for dynamic scope requirement, good understanding and ability for mixed mode of U900, L700, L800, L2600 LTE configuration and RU modifications, configurations using MOshell, EMAS, OSS, ENM and secure CRT. I have excellent technical skills, great interpersonal skills and excellent working knowledge of all Microsoft office suite applications especially outlook, excel, word and power point.
Work Experience
Wireless Back Office Engineer
Tangent international (Huawei GNOC, Abidjan, Ivory Coast)
October 2023 till date
Responsibilities:
Maintenance and operation of Ericsson and Huawei equipment: 2G,3G,4G and 5G (Baseband 5212,5216,6620,6630,6631 & RAN processor 6651) network
Conducting ATP of newly reintegrated sites
Performance of daily health checks of all RAN nodes and resolving ones with alarms or issue
Performance of CR and configuration changes required for the optimization of network
Troubleshooting, analysing, isolation and reporting of all RAN nodes from RNC, 2G/3G/4G/5G Basebands and TCU
Good working knowledge of the day-to-day operating environment, available tools, operating techniques, and end-user applications used with wireless technology
Configuration and splitting of LAC across 3G and 4G network to aid congestion
Implementation of Bidirectional and Forwarding Detection (BFD) across the network for traffic switching during failure of a route
Migration of 2G from 3G baseband to 4G baseband for RRU sharing
RRU modernization and mixed mode implementation
Backups for all RAN nodes
New MMEs testing and addition to RNC, BSC and enodeb
License batch installation and node software upgrade through ENM
Hardware and software parameters collection through the network
IUR signalling creation on RNCs
Synchronization of 2G,3G,4G and 5G nodes on ENM for data reporting/populating
Attending to customer escalation
Wireless Back Office Engineer
QUALISERVE / RGS LTD (Huawei, MTN Managed services -Lagos, Nigeria)
November 2017 to October 2023
Responsibilities:
Supporting Field maintenance engineers to resolve all nodeb & enodeb field related issues
Daily health check and license audit on RAN nodes
Troubleshooting, fault isolation and correction of all RAN nodes for optimum performance
RNC, BSC and RBS KPI monitoring with parametric changes as requested by Optimization team for all RAN nodes through Mobatch
Regularly monitor network performance and capacity to ensure equipment and services are functioning and operating at optimal capacity.
Scripting and re-integration of DUW, DUS and Basebands for mixed single and mixed modes
Support network operations, support configuration team and network roll out
Management and monitoring of accepted and operation RAN nodes
Analysing of daily availability report and cascading poor cells to the necessary team for resolution
Software Upgrade on nodes (DU/Baseband) W15, W16, W17, W18,17Q1,17Q2,17Q3,18Q,20Q and 21Q
Support for Troubleshooting degraded RRC Success Rate, ERAB drop and other KPI’s for LTE Sites
Preparing of daily and weekly performance report for the management.
Installation of license Key files (LKF) in nodeb and enodeb
Preparing and modernization of radio units
Preparation of scripts for field engineers to restore burnt/crashed nodes
Migration of siu, nodeb and enodes from layer 2 to layer3
Re-homing /Re-parenting of nodebs from one RNC to another
Backing up of 2G/3G/4G nodes on the ENM for node reintegration during crashes
Attending to customer complaints and other related subscriber’s issues
Manage a team of Industrial Networks Technicians;
3G / 4G Ericsson RAN Operations Back Office Engineer
SWIZ-TECH (LM Ericsson, MTN managed services – Lagos, Nigeria)
August 2012 to October 2017
Responsibilities:
RNC and nodeb fault tracing and resolution
RNC board reshuffling and capacity expansion
IuPs Port expansion from 1G to 10G on the physical/logical interface towards the core
RNC Active patch panel configuration and disaster recovery
Replacement of faulty boards and carrying out of RNC health check
RNC weekly and monthly back ups
Preparing scripts used by the FSEs for re-integration and bringing up every re-integrated site
Attending to impacted nobeb, enodeb and partial cells for quick restoration
Nodeb and enodeb service alarm clearing
Reintegrate LTE sites & backup CV after field team makes it visible in OSS.
Install LKF for nodeb and enodeb nodes using SMO and by using AMOS
Carrying out day-to-day maintenance activities on nodeb and RNC for optimum performance and coverage.
Conducting ATP together with the customer representatives on both nodeb and enodeb remotely
RNC, nodeb and enodeb fault tracing, isolation, and resolution
Daily reporting of nodeb performance and availability to management.
Nodeb and enodeb software upgrade, backups and acceptance.
3G Back Office Engineer
SWIZ-TECH (LM Ericsson, MTN managed services – Lagos, Nigeria)
July 2012 to July 2015
Responsibilities:
· SPOC for all RNC related issues
License file loading for all RBS 3000/6000 as well as on the RNC
Software and Hardware upgrade of RNC as well as RBS 3000/6000 series ( P4,P5,P6,P7,W10,W11,W12,W13,W14,W15,W16 &W17)
Support expansion of nodeb /carrier addition
Fault tracing and resolution of nodeb and RNC
Giving remote assistance to field for fault findings and resolution
Preparation of the daily root cause analysis report for the management
Hardware and software upgrade of nodes
Interfacing with the optimization and other fields to resolve faults on the 3G network
Iub deletion and re-creation
3G Field / Nodeb Integrator Engineer
LM Ericsson, MTN managed services – Lagos, Nigeria
August 2011 to June 2012
Responsibilities:
On site re-integration and upgrade of Ericsson RBS3000/6000 series
Analysing and troubleshooting of Nodeb alarms reported at network operation centre (NOC).
Carrying out day-to-day maintenance activities on nodeb for optimum performance and coverage.
Preparation of the daily root cause analysis report for the management
Generating scripts for integration and correction of other issues
On site of ATP on new installations and integrated nodeb.
Alarm tracing and fixing of faults on site
License loading on RBS and features activations
3G modernization from 3000 series cabinet to 6000 series cabinet
On site troubleshooting of nodeb using EMAS/MOshell
On site backup of nodeb using total commander file
Upgrading of the Node’s by adding additional cards (TX, RAX Board).
SGSN/GGSN Front Office Engineer
PHILIPS CONSULTING (LM Ericsson, MTN managed services – Lagos, Nigeria)
July 2010 to July 2011
Responsibilities:
Performance of daily health check of the GSN nodes (SGSN/GGSN)
Troubleshooting the GSN nodes using secure CRT and reporting of alarms.
Close monitoring of network traffic via internet pipes and firewall to the external network and reporting any irregularity
Troubleshooting with switch, TX and BSS team in resolving a disconnection between the PCU(BSC) and GPRS
Monitoring of network uplink and downlink speed, attached subscribers and active PDP contexts for both 2G and 3G
Monitoring of GSN signaling, Gn, Gi,Gb, Iu etc.
Preparing of daily progressive report showing the KPI stats, traffic distribution statistics and disconnection rate for the management
Investigation and confirmation of subscribers’ attachment and access of data packet on the network
Working alongside with BO and other teams in resolving customers’ complaints of inability to access data packets network.
RAN Front Office Engineer
PHILIPS CONSULTING (LM Ericsson_Zain Project – Lagos, Nigeria)
February 2009 to June 2010
Responsibilities:
Real time network monitoring and fault management of nodeb & RNC using CITRIX for OSS systems.
Fault localization and creation of Trouble Ticket specifying appropriate severity and service impact.
Performance of daily health check of the network.
Dispatching and coordination of field engineers for issues that requires local intervention
Creating tickets for 3G network problems as and when reported by the respective teams or customer.
First line support for Optimization and field engineers’ team to do drive test activities.
Perform troubleshooting of alarms during malfunction of equipment boards such as CBU, TX6HS, RAX, RU, FU, RRU, ETFMX-11 and any other alarm that occur from the Radio Base Station and clearing them using EMAS.
Monitoring of RBS hardware status, block & de-blocking MO and sites DIP quality performance.
Escalate critical\pending cases that impact large span to team heads for prompt action
Updating alarms and daily Progress report showing KPI, Availability, Downtime and Bandwidth performance analysis.
Providing support and Coordination between different groups in BO, VAS, FSE, TX, RF, OSS
Answering customer and vendors queries accordingly and without delays over email, SMS & calls.
Site acceptance test performance
Handling customer complaints.
Education
Master degree in Electronics & Electrical Engineering
University of Lagos
February 2011 to March 2014
Bachelor degree in Electronics & Computer Engineering
Lagos State University
March 2001 to April 2007
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