Yusuf Saliu

346-***-****

ad1j01@r.postjobfree.com

Skills Summary:

Yusuf is a RF/LTE Test engineer with years of experience with radio equipment and cell site antenna systems.

Extensive experience in Test Design, Optimization & Performance of LTE and 5G technologies.

He has performed Samsung / Nokia OEM equipment configurations.

He has extensive experience deploying 5G technology post testing.

Performing health checks on Cell Sites and analyzing KPIs and RF health.

Experience troubleshooting antenna systems from the transmitter to antenna.

Availability/Location:

Phone interview: M-F business hours given 24-48 hours’ notice

Video interview: M-F business hours given 24-48 hours’ notice

To start: ASAP

Current Location: Local to Houston-TX

Technical Skills:

Microsoft tools, AWS Tools. Google Tools, Networking Tools, Monitoring Tools, Automation tools

Ericsson ENM, Nokia Netact/OSS, Sansung LSM, Airspan Netspan,

Log collection, Log tracking/Monitoring,Log Process/Analysis,

Linux/Unix/Windows,Ue,Android,Apple,OS .Agile frameworks,API frameworks,wifi

Unit testing. UE testing,Products,Testing, Network Testing, LabTesting,Regression/infrastructure testing,API testing

FTP,UDP.TCP.HTTP,HTTPS .ATP,DHCP,DNS,WP2MPLS.ISIS,3GPP,OSI MODEL,

Applications/Tools: Alteryx, Actix, Wireshark, Tableau, Power BI, SpotFire, xRO, LSMR, MapInfo, TEMS

Investigation, Comarco, Grayson, Agilent, Mentum Planet, Asset, MS Office,MS365

NEMO, ANOVA,T-BIRD,DATAPRO, JDSU & XCAL, Landslide, PILOT SCANNER, JDSU, Wireshark, eDat, ATOLL, IBWARE, QXDM, QPST, QCAT, QMICM, Street Atlast,

Programming: DotNet, VB, SQL, Python, Perls, VBA. Java, C, C++, S1-MME, Linux

Professional Experience

Nextgen INC, Chicago, IL Oct 2018-TILL NOW

RF Engineer II

RF Design experience designing and deploying cell sites in the US

Capable of performing KPI / ATP data check for Traffic, Regression Testing and verification on field/Lab Setup, Release Upgrades

Experienced in supporting LTE RAN equipment from Samsung, CDU 30,hardware products

Capable of verifying Sites before and after Migration

Experienced in Identifying required HW/ SW resources and equipment during Field/Lab Setup

Capable of end-to-end testing in Field/lab and production network & python automation scripting

Capable of device level testing of Terrestrial (LTE) and Satellite devices

Capable of testing in RF Chambers and with related Test Equipment

Responsible for Deploying the 5G technology for testing after finalizing Friendly Users based on the 5G testing requirements.

Good documentation skills with report preparation, presentations, etc.

Strong RF design concepts including Model tuning, link budget, site placement / design, with deployment support and site turn up activities including reviewing / approving ATPs / Swaps

Telnet INC, Rockville, MD Jun 2016 – Jun 2018

LTE RF Engineer

RFDS Creation, Familiarity of antennas, RF wiring/plumbing diagrams, connectors, cables/jumpers, equipment, etc.

Tools experience: Capstan, Siterra, Sprint Vision

CIQ creation & procurement, Understanding of RF parameters: PCI, PN, frequency planning

Performing radio propagation modeling and prediction to determine cell site location, determining equipment and power configurations, forecasting channel capacity requirements, planning and optimizing system traffic and developing design standards to ensure system quality.

Performs engineering functions related to interconnect equipment and facilities, signaling systems, switches and traffic. Experience working on Design tools like Atoll, MapInfo, Google Earth, Planet

Familiar with Samsung / Nokia OEM and equipment configurations.

Familiar with processes to create RFDS / CIQ

Building up design project/database with Atoll and Mantum Planet RF planning tool

Test Engineering Responsibilities in Identification and Selection of Performance test cases. identification and design of Targeted regression test cases.

Allocation of test cases to test engineers. Tracking of test execution on a daily basis, Test Execution Responsibilities

End to End System performance testing of Vendors 1xEVDO RAN.EVDO RAN consists of BTS,MCCDO, IPBSCDO Cages (consisting of APC, SCA, TRA and TC), PDSN and Network Manager (Simulated as well as Real).

Testing of 1xEDVO RAN is performed under different customer configurations.

Verify 1xEVDO RAN behavior under loaded conditions. Call loads vary from 32 Erlang to 2000

Erlang (Best Effort long duration call model). Call model includes scenarios such as Soft HO, Softer HO, Inter RNC HO (A13), Active and Dormant Handoff.

Verify KPIs such as Call Success Rate, System Throughput, CPU Utilization and Memory Utilization of different Network Elements, adheres to performance requirements.

Verify platform availability by running iterative failovers of different cards in the Network Elements and ensuring RAN is able to preserve existing calls and process new calls.

Look out for spurious events such as Process Deaths, Unexpected Alarms and DSP reset during above test runs.

Support Development teams to find out the root cause of product faults, Feature Test Lead for following new features.

C24 New Feature – QosBased AccessHashing, C25 New Feature Dynamic Dormancy Timer.

Work involves, creation of test design, mentoring of test case creation and test execution tracking.

Lab Transition Activities

Responsible for Initiating performance testing of 1xEVDO RAN in AT&T Labs starting Release 10.

Responsible for handling transition of Test Equipment from Motorola, Arlington Heights, USA to Motorola AT&T Labs.

Responsible for commissioning of 1x EVDO lab in AT&T Lab

Sublime Wireless INC, White Plains NY Feb 2014 – Feb 2016

RF OPT Engineer

Active participation in rolling out FDD MIMO / Massive MIMO into the VENDOR’s Central region markets.

Designing of Airspan / Samsung, Nokia & Ericsson Mini Micro for Sprint.

Participation in rolling out of Carrier Aggregation for B26/B25 FDD CA, B25/B25/B26 3-Carrier FDD CA and performance benchmarking after that for upper management.

Performed LTE, CDMA2000 and EVDO network performance analysis of ALU systems &Ericsson systems.

Performance optimization based using ALU OSS and PNM for all major level one KPI’s.

Performed PCMD data analysis in order to troubleshoot higher voice drop call rates.

Performed Low data Throughput analysis in Planet by generating low data Throughput analysis with the help of switch PCMD data.

Prepared all designs, documents and data sheets for final RFDS deliverables like analysis, validation and on-site modification of site data sheet for site deployment.

Design, implementation and optimization of DAS and Small Cell Networks (SCNs).

Experienced in In-Building planning procedures and process flow, traffic dimensioning and link budget for Active and Passive DAS.

Post processing of X-CAL / TEMS Drive test logs on X-CAP / TEMS Discovery for the purpose RRC connection setup failures, bearer drops, L3 messaging analysis and evaluation, SINR / VOLTE optimization.

Data processing and analysis with Tableau and Alteryx.

Implementation of new features and tuning LTE radio network parameters like changing different parameter-1st on small cluster, then whole market.

Analysis of neighbor relations and implementation of corrections. Keep monitoring the network & optimize neighbors.

Neighbor optimization and design optimization to achieve desired Pilot coverage, Coverage Probability, Eb/No, etc by varying, azimuth, pilot power, tilt resources etc.

Periodic interfacing with the customer for presenting KPI & NQI statistics & soliciting feedback.

Preparation of reports for regulatory bodies in perspective of inspections & network performance.

Experienced in cost effective CRAN, DAS, Front haul, Backhaul inventory selection for efficient design and rollout.

Coordination with client, site acquisition firm and RF equipment vendors as required by the management.

Microwave network planning, design and implementation for both DL/ UL Spectrums.

Verveba Telecom, LLC. Richardson TX Jun 2013 – Feb 2014

Associate Test Engineer (contract)

Perform drive tests and in-building Lab test (CDMA, GSM, UMTS, Cell, PCS, LTE, AWS* In support to the Test Engineers at T- Mobile, take responsibility for assigned part of platform testing in Operators labs (and internal labs as required).

Performed UE protocol testing on Qualcomm and Samsung chip sets using QXDM and Nnext.

Perform KPI testing for AT&T and T Mobile Client using NIMO

Perform Mobile Application Testing, Regression testing, Key performance in mobile Handsets.

Expertise in QUALCOMM software’s (QXDM, QCAT, QPST, QMICM).

Knowledge of UMTS, LTE architecture and familiar with the basic terminologies.

Understanding of LTE Network Architecture, LTE Handovers.)

Post process and monitor performance statistics to identify performance anomalies in PSTN & PLMN

Generate survey and design reports, including quotes.

Worked on Testing for 2G, 3G, 4G technologies using several network simulators like Anritsu, R&S, and Spirent Landslide Mobile Packet core system along with debugging the issues.

Operate Anritsu spectrum analyzer and various RF testing equipment

Like Wireshark, JDSU, ANOVA Actix, Windcatcher, TEM, XCAL & Landslide, by analyzing QXDM data logs.

Operating ATE Tester using DUT, UUT after fabrication (Resistors, IC, PCB-Printed circuit board)

Observing constantly varying signals like frequency,sound & vibration and converting them to voltages to be measured and displayed using Tools like, Tektronix CSA 8000, Anritsu, Agilent

Doing PCB troubleshooting in BTP systems for repairs of complex systems

Performing ETL to ensure both prototype & manufactured systems & their various sub-components are able to operate under all operating condition using Thermotron F-42

MobileNet.Services, Plano, TX Jan 2013 – Jun 2013

LTE RF Engineer

Working with SYSTEM design engineer to understand the System design, call processing, call flows, handover, customer expectation, and network configuration including-• Performs pre-launch and Post launch Regression Testing for Samsung UEs for ATT.

Diagnose and analyze the handsets based on communication and application protocols

Perform CSFB testing, IFHO, eNodeB Testing and IRAT testing, in LTE scenario.

Hands on Experience on Samsung Modem Diagnostic Tool NNEXT for Log Collection.

Perform Data throughput testing using DATUM for the Samsung phones on 2G/3G/LTE networks.

Collecting Logs using RDX tool for Crashes in Devices such as Modem crash, kernel panic, power reset.

Flashing of the Mobile Devices using ODIN tool for both AP & CP binaries.

Creating test reports for issues found during testing

Studied RF design coverage maps and identify problem areas in terms of coverage, interference, or pilot pollution. Skills in analyzing layer 3 messaging for CDMA and LTE.

Execute tasks to optimize RF clusters in the customer network during the deployment phase.

Determine test equipment needed and work with ALU RF Manager to order it from RF Toolkit group.

Confirmed spectrum clearance, integration testing, power calibration, and call-through tests were carried out, and all entrance criteria are met before start of optimization.

Troubleshooting problem areas and provide recommendations for system performance enhancements.

Generate script files necessary for RF optimization.

Troubleshooting areas with poor RF performance. Request drive tests, analyze data, and recommend network changes as applicable.

Support KPI monitoring before and after migration, identify issues, analyze and troubleshoot and escalate, as needed, for resolution.

Avion System inc., Atlanta GA Jun 2012 – Jan 2013

Modem Test Engineer (Contract)

Drive test to verify handover, call drop, throughput in PUSCH value on site, including

FOTA/ATP Testing (Performed RF data collection for VoLTE using TEMS investigation.

Performed log Analysis & Lab testing for LTE.

Performed data Analysis & field testing for UMTS using TEMS, Agilent. Performed RF data collection for VoLTE using TEMS investigation.

Performed DATA Analysis & call processing for LTE.

Performed data Analysis & field testing for UMTS using TEMS, Agilent).

Performed E911 Drive Testing

Perform first level of analysis of Field issues observed on Field

Performed Call, SMS, MMS, Data field Test for every release

Reproducing and verifying issues reported by QA team, operator, end users, etc.

Supporting HQ and SRIB development teams to collect logs and do first level analyses of issues observed in field.

Lab visit for CDG2 / IOT testing and collecting the logs

Performed Data Throughput Testing

Performed S/W Download for Carriers

Carrier specific test suite execution

Process of collected Data with eDat xCal, Hands on experience with Ericsson and Alcatel LTE tools, DRTscanner, EX and MX scanners, UEs, TEMS, NEMO, JDSU and ANOVA tools.

Determining the cause of equipment failure using various types of complex test equipment.

Performed Idle-Active, Attach-Detach Testing.

Performed IFHO, CSFB-MOC, CSFB-MTC and CSFB Simultaneous Data and Voice Calls tests for sites of different frequencies.

Troubleshooting, escalating and resolving network issues by identifying and drive testing the assign route using Agilent or Erickson TEMS KIT

work on wireless core, CDMA PMSC, EBSC, IxRTT, RAN PCMD and EV-DOcell phone towers by collecting datas on VoLTE and SIP, TCP, UDP, IMS protocols like RRC, GTPv2c, GTP-U, SGs-AP, QXDM captured logs

PRINAD Corp, Hammond Feb 2012 – Jun 2012

Asst Network Engineer

Managed Cisco 2501/3640 series Routers on Frame relay VPN,installed Nortel Telephony Systems

Experience working in a Network Operations Center

Experience working with ticketing systems (ie; Remedy preferred)

Experience working with network monitoring tools (ie; NetCool or HP Openview preferred)

Experience working with a variety of Operating Systems

Implementation of T-1 Circuit between corporate headquarter and remote location

Supported Remote Users Using RAS direct connection and Secure dial up

Caltrol Inc Florida Apr 2011 – Feb 2012

Network Administrator

Analyze & design new server and storage, Maintain WAN Networks utilizing Hp open view & WhatsUpGold utilities

Optimize LAN using performance report & Monitoring application in 24/7 environment,

Monitor and Document 2000 Network devices, manage backups for 1 terabyte of data,

Implement TCP/IP core networking server using window NT, DHCP, WINS and DNS,

Support remote location with Net Access internet VPN

BURNHAM INC, Chicago Apr 2010 – Apr 2011

Computer engineer

Worked in this organization as a developer in UNIX operating system.

Took the task of developing the design given to me and ensured that the final products matched the quality standards.

Attended the extensive training program given about quality standards namely ISO and CMM level.

C and C++ are the two-programming language I made use of in depth to carry out the development process.

GOLDENLINK ENGINEERING COMPANY Aug 2009 – Apr 2010

Assistant Site Manager

Project Supervision and managed development and implementation of computer systems to enhance business system. using Siebel UI

Co-ordination of sub-contractors and material deliveries, with general management of duties including scheduling Of all sub-contractors and trades

NATIONAL YOUTH SERVICE CORPS Jan 2009 – Aug 2009

Assistant Technical Engineer

Project Supervision with given “Hand-on” training classes for employees on uses of computer system

Aluminums window and door Fabrication (swing, projected, sliding) fixing and troubleshooting the software for

Glass Cutting/Calculations and fitting into Aluminums finished products.

Education

Illinois Institute of Technology

Master in Science

Certification

Certification in Computer Engineering & IT Security MGT, Florin Tech Computer College Nov 2007.

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