Engineer Electrical
Resume:
SAMUEL AYELE
***** ********* ** ******, ** ****5
Phone Number: (469) 563 - 6858
Email: ********@*****.***
Highlights of Qualifications
Highly organized and motivated electrical engineer; capable of working independently or cooperatively as part of a team to accomplish
Intellectually and competitively equipped to excel in a fast-paced and challenging environment.
Out-of-the-box thinking and creative problem solving.
Basic to Extensive understanding of: GSM, TDMA, FDMA, CDMA, and W-CDMA/UMTS technologies
Able to analyze, identify and resolve network problems independently, and within a team environment.
Strong ability on logical analysis and problem solving/troubleshooting.
Constant tendency towards improvement of processes and/or products.
Ability to work independently and use sound judgment, with minimum amount of supervisory support.
Able to manage multiple teams while working on separate assignments.
Capable of effectively managing multiple assignments simultaneously while delivering quality results on time.
Good communication, presentation and interpersonal skills.
Work Experience
T-Mobile USA ( Contractor) Mar 2015 to Present
RF LTE Engineer III - VoLTE_GetWell
Responsible on network performance improvement tasks
Perform RF network optimization activities
Conduct parameter pre-audit, neighbor audit, GS parameters are aligned before the drive
analyze Call flow, Layer 3 messages, drive test data
Review IFHO maps to generate correction plans
RACH performance improvement prioritized by worst VoLTE drop offenders
RTT corrections as needed by market
Optimize live network using counter on TPIM
Late Handover Analysis top offenders and rectification
Alarm monitoring and resolve X2 link alarms.
Create, Import, and Setup Planned Configuration Scripts for changes.
Nokia Siemens Networks Oct 2014 to April 2015
LTE Senior RF Optimization Engineer for T-Mobile USA
Optimize the network at SSV/Cluster based on drive test data
Prepare drive route to make sure all the sectors’ foot print are tested
Conduct parameter pre-audit, neighbor audit, GS parameters are aligned before the drive
Coordinate with the drive test team to troubleshoot site issue.
Analyze drive test data using Actixone and make recommendation to improve coverage hole missing neighbors.
Conduct weekly parameter audit and correct if there is any discrepancies.
Optimize live network using counter on TPIM
Alarm monitoring and resolve X2 link alarms.
Create, Import, and Setup Planned Configuration Scripts for changes.
Alcatel-Lucent August 2013 to Present
LTE Market Lead for At&t USA
Managing Central East ATT LTE Optimization Team consisting of 10 engineers.
Designed a new process and created a new Team Structure. Both had direct impact on the
Coaching the engineers technically.
Leading the team to deliver high quality Pre-Launch Optimization
Mentoring the new hires by teaching them the process, explaining to them the Technical aspects of optimization troubleshooting in details.
Documenting detailed troubleshooting guidelines to optimize LTE network.
Deep understanding of ATT Field Guide Alerts and Gold Standards.
Alarm monitoring and resolve X2 link alarms.
Create, Import, and Setup Planned Configuration Scripts for changes.
Nokia Siemens Networks April 2013 to August 2013
LTE Senior RF Optimization Engineer for T-Mobile USA
Optimize the network at SSV/Cluster/ Market level based on drive test data
PCI/RSI collision analysis
Coordinate with the drive test team to troubleshoot site issue.
Analyze drive test data using Actixone and make recommendation to improve coverage hole missing neighbors.
Conduct weekly parameter audit and correct if there is any discrepancies.
Optimize live network using counter on TPIM
Alarm monitoring and resolve X2 link alarms.
Create, Import, and Setup Planned Configuration Scripts for changes.
Celcites Management solution Oct 2012 – April 2013
AT&T ASG (LTE and UMTS)Pre & Post Launch Optimization
Optimized multiple Venues nationwide to improve user experience.
Review network settings and parameters, analyze parameter change impacts
Analyzed live stat for cause of dropped calls, handovers, IFHO failures, IRAT failures, etc….
Submitted Tilt, CPICH, and Azimuth changes based on PRACH propagation delay to optimize coverage.
Detection of site installation problems. Swapped feeders, loose feeders, bad antennas, incorrect antenna locations.
Resolved Pilot pollution or areas of no dominant servers
Detection of hardware and software problems
Missing neighbor detection
Scrambling Code plan problems
Overshooting sites – Overshooting sites cause loss of capacity in the system
Identify critical/major problems, troubleshooting issues across the market and involve multi-venders investigation for any issues.
Alarm monitoring and resolve PCI confusion and X2 link alarms.
Create, Import, and Setup Planned Configuration Scripts for changes within the SAM/WMS.
Provided Recommendations to further improve the performance.
Alcatel – Lucent (ConsultantVerveba Telecom) June 2012 – October 2012
LTE RF Optimization Engineer
eNB and Cell level parameter audit and neighbor optimization.
Alarms, RSSI, VSWR troubleshooting and resolution.
Optimization of worst offenders on the following KPI’s: Accessibility, RRC Set-up Success, ERAB Set-up Success, S1 Set-up Success Rate, UL & DL throughput, MME drop, eNB drop, HO preparation & success, Latency, CSFB, etc.
TAC & LAC Audit, S1 link and X2 link audit.
Good understanding of LTE interfaces, layer 3 messages, protocols and Architecture.
Good understanding of Counters, ROP by ROP analysis to improve KPIs.
Parameter optimization to improve UE time on LTE while ensuring KPIs for IRAT, Accessibility and Retain ability are not affected.
PCI Collision analysis.
Tilt analysis/recommendation to improve RF condition.
Balancing power levels between E-Node B, CCI tray and DAS Head end for optimal UL RSSI to achieve desired throughput of all the DAS cells.
Individual site shakedown for newly integrated site to meet required PDSCH & PUSCH throughputs, CINR, RSRP and RSRQ,e.t.c.
Layer by layer Data packet analysis using wire shark.
Celcites Management solution (Consultant) Oct 2011 – March 2012
AT&T 1st/2n d /3rd Carrier Post Launch Optimization
CQI and Triage Improvement, Herndon VA.
RAN Engineer
Optimized multiple clusters nationwide to improve the CQI.
Review network settings and parameters, analyze parameter change impacts
Performed UMTS, HSDPA, HSPA EUL (E-DCH) RF Optimization using BO, OSS, RMAP,NETTRACK,CNN and Quantum.
Analyzed live stat for cause of dropped calls, handovers, IFHO failures, IRAT failures, etc….
Submitted Tilt, CPICH, and Azimuth changes based on PRACH propagation delay to optimize coverage.
Detection of site installation problems. Swapped feeders, missing TMAs, TMAs not powered up, loose feeders, bad antennas, incorrect antenna tilts or azimuths.
Resolved Pilot pollution or areas of no dominant servers
Detection of hardware and software problems
Missing neighbor detection
Scrambling Code plan problems
Overshooting sites – Overshooting sites cause loss of capacity in the system
Identify critical/major problems, troubleshooting issues across the market and involve multi-venders investigation for any issues related to Core PS, Core CS, and IRAT handoff (2G MSC, BSC).
Alarm monitoring from OSS, using Alarm List Viewer and Alarm Log Browser.
Create, Import, and Setup Planned Configuration Scripts for changes within the OSS.
Provided Recommendations to further improve the performance.
Ericsson (Consultant) September 2010 –October 2011
AT&T 1st/2n d /3rd Carrier Post Launch Optimization
Telecom Management Center in Ericsson Headquarters, Plano, TX.
RF Optimization Engineer
Optimized multiple clusters nationwide in a time constricted environment.
Review network settings and parameters, analyze parameter change impacts
Performed UMTS, HSDPA, HSPA EUL (E-DCH) RF Optimization using BO, OSS, and ITK.
Analyzed live stat for cause of dropped calls, handovers, IFHO failures, IRAT failures, etc….
Submitted Tilt, CPICH, and Azimuth changes based on PRACH propagation delay to optimize coverage.
Detection of site installation problems. Swapped feeders, missing TMAs, TMAs not powered up, loose feeders, bad antennas, incorrect antenna tilts or azimuths.
Resolved Pilot pollution or areas of no dominant servers
Detection of hardware and software problems
Missing neighbor detection
Scrambling Code plan problems
Overshooting sites – Overshooting sites cause loss of capacity in the system
Identify critical/major problems, troubleshooting issues across the market and involve multi-venders investigation for any issues related to Core PS, Core CS, and IRAT handoff (2G MSC, BSC).
Alarm monitoring from OSS, using Alarm List Viewer and Alarm Log Browser.
Create, Import, and Setup Planned Configuration Scripts for changes within the OSS.
Provided Recommendations to further improve the performance.
Alcatel – Lucent (Consultant) May2010 – September 2010
AT&T 1st/2nd/3rdCarrier Pre Launch Overlook Park KS
RF Optimization Engineer
Optimized multiple clusters nationwide in a time constricted environment.
Performed UMTS, HSDPA, HSPA EUL (E-DCH) RF Optimization using Actix Spotlight and Analyzer Classic.
Analyzed Layer 3 messages for cause of dropped calls, handovers, IFHO failures, IRAT failures, etc….
Submitted Tilt, CPICH, and Azimuth changes based on drive data to optimize coverage and call statistics.
Created/Modified Cluster, IRAT and Market Drives routes in collaboration with customer.
Detection of site installation problems. Swapped feeders, missing TMAs, TMAs not powered up, loose feeders, bad antennas, incorrect antenna tilts or azimuths.
Resolved Pilot pollution or areas of no dominant servers
Detection of hardware and software problems
Missing neighbor detection
Scrambling Code plan problems
Overshooting sites – Overshooting sites cause loss of capacity in the system
Identify critical/major problems, troubleshooting issues across the market and involve multi-venders investigation for any issues related to Core PS, Core CS, and IRAT handoff (2G MSC, BSC).
Review network settings and parameters, analyze parameter change impacts
Alarm monitoring from OSS, using Alarm List Viewer and Alarm Log Browser.
Create, Import, and Setup Planned Configuration Scripts for changes within the OSS.
Provided Recommendations to further improve the performance.
Created plots in Atoll for tilt recommendations.
Ericsson (Consultant) June 2008 – May 2010
AT&T 1st/2nd Carrier Pre/Post Launch Optimization
Telecom Management Center in Ericsson Headquarters, Plano, TX.
RF Optimization Engineer
Optimized multiple clusters nationwide in a time constricted environment.
Performed UMTS, HSDPA, HSPA EUL (E-DCH) RF Optimization using Actix Spotlight and Analyzer Classic.
Analyzed Layer 3 messages for cause of dropped calls, handovers, IFHO failures, IRAT failures, etc….
Submitted Tilt, CPICH, and Azimuth changes based on drive data to optimize coverage and call statistics.
Created/Modified Cluster, IRAT and Market Drives routes in collaboration with customer.
Detection of site installation problems. Swapped feeders, missing TMAs, TMAs not powered up, loose feeders, bad antennas, incorrect antenna tilts or azimuths.
Resolved Pilot pollution or areas of no dominant servers
Detection of hardware and software problems
Missing neighbor detection
Scrambling Code plan problems
Overshooting sites – Overshooting sites cause loss of capacity in the system
Identify critical/major problems, troubleshooting issues across the market and involve multi-venders investigation for any issues related to Core PS, Core CS, and IRAT handoff (2G MSC, BSC).
Review network settings and parameters, analyze parameter change impacts
Alarm monitoring from OSS, using Alarm List Viewer and Alarm Log Browser.
Create, Import, and Setup Planned Configuration Scripts for changes within the OSS.
Provided Recommendations to further improve the performance.
Created plots in Atoll for tilt recommendations.
Alcatel – Lucent (Consultant) March 2006 – June 2008
Cingular Wireless UMTS Optimization
New York Market – New York, NY/Paramus, NJ/Woodbury (Long Island), NY
RF Optimization Engineer
Performed UMTS, HSDPA RF Optimization using Lucent’s LDAT3G data analysis tool.
Detection of site installation problems. Swapped feeders, missing TMAs, TMAs not powered up, loose feeders, bad antennas, incorrect antenna tilts or azimuths
Analyzed Layer 3 messages for cause of dropped calls, handovers, IFHO failures, IRAT failures, etc….
Identify critical/major problems, troubleshooting issues across the market and involve multi-venders investigation for any issues related to Core PS, Core CS, and IRAT handoff (2G MSC, BSC).
Missing neighbor detection
Scrambling Code plan problems
Provided OMC Support by creating and running scripts for neighbor relation changes, scrambling code changes, etc….
Review network settings and parameters, analyze parameter change impacts
Created/Modified Cluster, IRAT and Market Drives routes in collaboration with customer.
Created, managed and constantly updated site database for Alcatel-Lucent’s internal use.
Achieved Optimum KPI values at the end of Cluster optimization processes.
Managed and Coordinated up to 50 Drive Testing Teams while constantly provide troubleshooting support.
Directed Teams through RNC re-homing/upgrades.
Education
New Jersey Institute of Technology (NJIT,) Newark, NJ
M.S., Electrical Engineering, May 2005
New Jersey Institute of Technology (NJIT,) Newark, NJ
B. S, Electrical Engineering, May 2004
RELEVANT SKILLS
Proficient in MapInfo, Atoll, Agilent/Nitro, Ericsson’s OSS & TEMS, Business Objects, Andrew’s Invex, Lucent’s OMC, LDAT and SPAT3G, Verizon’s Geoplan and Windcatcher, Aircom’s Asset and Asset3g, Actix Spotlight & Analyzer Classic, T-Mobile’s Internal Applications such as Homer, Insite, AIMS, Metrica Kingfisher and XPM. RCC’s Comsite Design, Comsite Pro, WINDS, WAMS, PSPICE, Matlab, Microsoft Visio, Linux, Microsoft Windows Operating Systems, and Microsoft Office.
Affiliations
Institute of Electrical and Electronic Engineers (IEEE)
Additional Information
Letters of reference will be submitted at your request.
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