KHALID DEKKAR

mess3oudi50@gmail.com

(206) 288-3260

 

PROFESSIONAL SUMMARY

 

Highly motivated team member with years of verifiable track record of handling complex projects and exceeding expectations. 

Specification and design reviews, test case creation, lead test case reviews, scheduling and managing defect tracking. Software wireless telecommunication penetration analysis.

Manual ,Automation Black box _white box and grey box background testing

Experience with protocol analyzers and able to analyze the performance or issues during Lab testing, Inter-operability test and field trials. 

performance/load tools experience

eUTRAN Validation

Excellent Understanding of Rel 8/Rel9 / Rel10 / Rel11/ Rel12 3GPP 3GPP2 standards

 

Strong troubleshooting skills in 2G 3G 4G Volte & LTE +Carrier aggregation network

Understand the function and purpose of the following network components: MME, SGSN,   SGW,PCRF    

Verse in both LTE and 3G network architectures as well as their interfaces and protocol stack (S1, S5/S8, S11,Iub, IuPS, PGW, PCRF, PCEF, RNC, eNB, Nb.

 

Experience in testing and maintaining VoIP, Conferencing (SIP, H323), RTP/RTSP and some client applications (mobile, web)

Experience Capture Wi-Fi over the air logs (use any over the air sniffers)
-Configuration and execution of Windows Logo tests for Wi-Fi/Bluetooth
-Good working knowledge of Wi-Fi technologies (802.11 a, b, g, n)
-Experience is setting performance test system 
-Debugging Connectivity issues
-Wi-Fi roaming testing, hotspot, Soft AP, Home and Enterprise based testing for laptops
-Wi-Fi driver testing
-Wi-Fi User experience testing

Black box white and grey box tester plus automation background.

Ability to work overtime and flexible schedules when needed (after hours and weekends included).

Ability to quickly learn new systems and processes/workflows and Fun to work with/good sense of humor.

Experience On apache-tomcat-7.0.55­/GitHub/Junkens

Solid understanding of and experienced with web services, REST, HTTP protocol.

High attention to detail and quality while also being able to understand the bigger picture.

Agile/Scrum background experience.

Experience on testing software applications based on: Android/IOS/BB/WP8/Tablets/Kindle as well as hardware.

Experience on message service center (SMSC) Multimedia messaging service center (MMSC)

Expert on GSM/CDMA/GPRS /UMTS/4G HSPA+ LTE and CDMA2000. VoIP Enhanced 9-1-1 services 911 &112 requirements

SIM provisioning Teklic experience

Expert on PCRF and LTE Call flow

Expert on bug tracking tools such as Bugzilla, Quality Center, Rally and Jira.PS and many more.

Expert on automation tools such as Selenium Web Drive, QTP, Jmeter SS7, Access7, Calea, PCRF.Analyzers, and Wire shark. IXIA network simulators, measure voice and video quality

IMS Video Calling over LTE also familiar with IMS VoLTE Test Plan

Expert with Anite_ Arnitsu, Spirent 8100.R&S, RF system level test equipment Arcadia Systems.

Knowledge of Software Development Life Cycle.

Expert with deep knowledge of QXDM.

Experience with AGPS/Drive testing

Experience on testing Adobe CQ. Splunk Knowledge

Knowledge of Comarco test equipment and optimization

Sim provisioning. PCOM32

                              Spirent iTest Lab Optimizer_Spirent Landslide: 11.6 GA_IxNetwork: 7.12.850.46 EA

Obuntu_UNIX_Knowldges and expertize

 

Exposure to Signalling flows for the IP multimedia call control based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP)

 

3GPP TS 24.228 34.123 and 51.010 

 

Career Path

 

Microsoft Surface Team/ Skills Inc. V-

Simulator Automation Consultant at Alcatel One, WA

Senior RF Automation Consultant at Microsoft, WA _V-

Senior Software Engineer in Test at Jasper Wireless

Senior Software Engineer in Test at AT&T

Senior Software Test at AT&T Mobility

Senior Test engineer/Network Tester; QA Software Testing Engineering at AT&T, Inc.

Software Tester Engineer at iSoftstone Seattle, WA

 

 

 

RELEVANT EXPERIENCE

Software Firmware Engineer 
  October 2014 /2016  

Understand embedded micro controller software and Linux including testing ‘real time’ drivers and applications. 
Highly collaborative with other engineers to achieve task completion 
Ability to foresee and navigate around the risks behind product development 
Possession of above average organizational skills for documentation and ensuring that all work and knowledge is captured for future use 
Knowledge of automating test equipment such as DVM, oscilloscope, logic analyzer, protocol analyzer, Lab View, etc. 
Experience with ATMEL, Nordic, STMicro family, or other ARM processor development environments. 
Embedded software development in the C and assembly programming languages on 8-bit micro-controllers up to 32 bit microcontrollers Bash scripting and automation. 
Experience with testing methodologies (structural, white box, black box, regression, functional) 
Demonstrated ability to capture and reduce test data and correlate it to pass/fail criteria 
Effectively communicate test results to interested stake-holders. 
Experience: 
Ability to design and develop tests for ‘real time’ applications on an embedded Linux platform. 
Experience with all aspects of firmware engineering, from design and development to documentation and in particular, test planning and test development including the creation regression test sets. 
Has experience with a variety of test automation and reporting tools. Also has experience with configuration management systems like SVN. 
APN DNS knowledge and experience 
Has installed or maintained a variety of test support tools. 
Expert in Embedded Linux/ARM platforms. 
Expert in setting up tool chains and build environments 
Experience with at least one single board computer (Panda, GumSitx, wireless technologies such as BLE, Wi-Fi, Zigbee 

 

Microsoft, WA   Surface/Skills Inc OCT/14 –   Requirements according to 3gpp specifications. Testing involved many core chips design and many software releases. Product studio with expertise of (GSM ,GPRS,CDMA2000 ,EVDO, UMTS,LTE,CA)Experience on Automation Anritsu 8480c/8470, LTE Sequencer,R&S CMW500/CMUrun. Experience with protocol analyzers and able to analyze the performance or issues during lab testing, interoperability test and field trials. Utilized Spy Tracer Experience Firmware eUTRAN Validation Hands on experience in handling the test equipment in the vendor and customer’s lab.         Alcatel One, WA

Senior Lab Tester engineer _Emulator Consultant

 

While working on the conformance Test Automation, assigned to support the new Alcatel Android phone software (OS) development and debugging for GCF certification using different racks such as R&S to make sure new software releases could pass all the GCF protocol test requirements according to 3gpp specifications. Testing involved many core chips design and many software

Testing and maintaining VoIP, Conferencing (SIP, H323), RTP/RTSP

releases. TFS (CDMA2000 1X, CDMA2000 EVDO, UMTS, and LTE) CMAS, IPV4, IPV6,Gemalto IMS.SIP.Volte.Experience on message service center (SMSC) Multimedia messaging service center (MMSC)

Experience with protocol analyzers and able to analyze the performance or issues during Lab testing, Inter-operability test and field trials. 

Experience on Automation of Mobile Handset Conformance testing using the following platforms: Anite SAS, Agilent 8960, Anritsu 8480c/8470, Spirent 8100, Anite 9000 LTE Sequencer, and R&S CMW500/CMU 200.Arnitsu.

Utilized QXDM, Debug Mux and Mobile Analyzer.

Experience with protocol analyzers and able to analyze the performance or issues during lab testing, interoperability test and field trials.

Utilized Spy Tracer (Layer 2 and Layer 3 Tracing Tool).

Experience with Artemis (3G Firmware tracing and Layer 1), CADET IQ, QMICM, Wireshark, QPST, and QPCAT.eUTRAN Validation

Excellent knowledge of the following UE side protocols: RRC, NBAP, RANAP, RLC, MAC, TCP/IP

Domain: Radio Resource management (RRM) – RNC, eNodeB LTE L3 and L2, UE (dual mode) – WCDMA and GSM protocol stack.Exposure to air interface, network signaling and L1 (Physical Layer), Layer 3 protocols of the UE (mobile side) of WCDMA, GSM. PCOM32

CMW 500 wireless lan network DUT CONETionand configuration TO LAPTOP

Experience Capture Wi-Fi over the air logs (use any over the air sniffers)
-Configuration and execution of Windows Logo tests for Wi-Fi/Bluetooth
-Good working knowledge of Wi-Fi technologies (802.11 a, b, g, n)
-Experience is setting performance test system 
-Debugging Connectivity issues
-Wi-Fi roaming testing, hotspot, Soft AP, Home and Enterprise based testing for laptops
-Wi-Fi driver testing
-Wi-Fi User experience testing

2G and 3G device carrier validation testing

GSM/UMTS/HSPA Protocol testing.

Device R&D and maintenance release testing

2G/2.5G/3G parametric performance testing

Battery performance Testing

SIM Functionality and Interoperability Testing.

Data Performance Testing

Volte and video over IMS

Network OK or Protect the Network Testing

Experience on message service center (SMSC) Multimedia messaging service center (MMSC)

Carrier validation of unconventional and emerging devices

 

 

Microsoft, WA
SDET Consultant	10/13 – 02/14

 

While working on the Protocol (GCF) Certification Test, assigned to support the new Windows phone software (OS) development and debugging for GCF certification using different racks such as R&S to make sure new software releases could pass all the GCF protocol test requirements according to 3gpp specifications. Testing involved many core chips design and many software releases. TFS (CDMA2000 1X, CDMA2000 EVDO, UMTS, and LTE) PCRF, Ericsson MME, ALU eNB 

Experience on Automation of Mobile Handset Conformance testing using the following platforms: Anite SAS, Agilent 8960, Anritsu 8480c/8470, Spirent 8100, Anite 9000 LTE Sequencer, and R&S CMW500/CMU 200.

Utilized QXDM, Debug Mux and Mobile Analyzer.

Experience with protocol analyzers and able to analyze the performance or issues during lab testing, interoperability test and field trials.

Utilized Spy Tracer (Layer 2 and Layer 3 Tracing Tool).

Experience with Artemis (3G Firmware tracing and Layer 1), CADET IQ, QMICM, Wireshark, QPST, and QPCAT.

Excellent knowledge of the following UE side protocols: RRC, NBAP, RANAP, RLC, MAC, TCP/IP

Domain: Radio Resource management (RRM) – RNC, eNodeB LTE L3 and L2, UE (dual mode) – WCDMA andGSM protocol stack.Exposure to air interface, network signaling and L1 (Physical Layer), Layer 3 protocols of theUE (mobile side) of WCDMA, GSM.

Wireless domain in testing of various mobile handset protocols and applications. Selenium concepts, Selenium Framework, Java Concepts, Sprint and Scrum.

Completed API testing in Selenium.

SCOM experience

eUTRAN Validation

Good understanding of Qualcomm NV/Pics/Picks it

Mobile testing chipset and hardware testing of WP8.

Mobile testing for wifi interoperability with various access points.

Hands on experience in handling the test equipment in the vendor and customer’s lab.

Experience capture wifi over the air logs (use any over the air sniffers).

Configuration and execution of Windows logo tests for wifi/Bluetooth.

Knowledge of IP-related protocols in the wireless industry, including Diameter, SIP, RTP, TCP/IP, UDP, IPSEC, DNS, and general routing and wwitching protocols. 

Good working knowledge of wifi technologies (802.11 a, b, g, n) certification integration testing using Anite/Arnitsu/R&S/Spirent RF/system level test equipment according 3gpp specification to certify devices before they been release in the market

Expert testing UICC/GCF/CCF/RRM/Conformance testing in lab environment.

 

Jasper Wireless, WA
Senior Software Engineer in Test	02/13 – 08/13

 

Completed project as a part of a team that created a platform for “Aio Wireless” Services.

Established a track record of functional and load testing GSM UMTS_3G 4G LTE network elements. Expert ixia traffic generator. AGPS/Drive testing /Field testing

Jasper Sim provisioning. CALEA Systems Engineer monitor

3GPP Mobility Specifications applicable to Packet Core Infrastructure Nodes; GGSN, SGW, PGW. 

Understanding of mobility related call flows; S11, S1U, S5, Gn, Gx, Rx,Ga,Sy.

Excellent Understanding of Rel 8/Rel9 / Rel10 / Rel11/ Rel12 3GPP 3GPP2 standards

 

Telecom test equipment: Tekelec (MGTS)

Exensive knowledge and hand on Spirent iTest - Landslide Integration

 

In-depth knowledge of testing processes and technologies.

Experience On apache-tomcat-7.0.55­/GitHub/Junkens

 

IXIA network simulators Knowledge and experience

Experience with various scripting languages (perl, shell.Java).

Knowledge of some GSM network elements for voice, data and text (packet core network, LTE, GGSN, PGW, Voice Mail, HLR, SMSC, MMSC, Camel,Teklec) and interfaces.

Experience on message service center (SMSC) Multimedia messaging service center (MMSC)

Very Good knowledge of IXIA network simulators

Knowledge of devices and their components.

Web Automation Silinum Drive

Knowledge of various operations topics such as VPNs, load balancers, network routing and protocols.

Effective testing participant in network teams, with strong interpersonal and communication skills.

Worked on in field testing with handsets.

Tested call flow scenarios including voice, data, SMS, MMS, Voice Mail/Visual Voice Mail.

Reported problem details on network elements with service techs.

Setup Jasper system lab.

Completed Jasper network system test plans and execution.

Automation using SeleniumDrive ,PHP,CQ5 to enhance Jasper website and platforms.

Eclipse, SQL, JUnit, knowledge and experience

 

AT&T
Senior Software Engineer in Test	10/12 – 11/12

 

Worked on a multiple a group of project

Experience with mobile software/application testing.

Familiar with debug tools to capture software issues, defect tracking tools such as /QC/Bugzilla/Rally and Jira. 

Experience on using automation tools QTP and selenium. 

Experience on testing Web UI based on Java script and html.

Recent project was based on:

Separate and safeguards business data project.

Testing application on Android/ iPhone/BB/HTML5 Java based browsers. 

Real time detecting bugs in applications.

MDM management tool.

Eclipse, SQL, JUnit,

 

AT&T Mobility, Bothell, WA
Senior Software Development Engineer in Test	08/11 – 09/12

 

Worked very closely with Project Managers and Developers on daily basis.

Managed and tested Cloud Data sharing applications on Elastic Computing Cloud.

Developed test cases from JRD’s and Wireframes.

Knowledge of PaaS: Platform-as-a-Service and SaaS: Software-as-a-Service application testing management.

Experienced in debugging issues, knows software testing tools.

Experience with automated testing tools.

Good understanding of the software development life cycle and all QA processes and methodologies in a software development.

Experienced with windows drivers (installation, upgrading, removal, and certification).

Experienced with mac drivers testing.

Eclipse, SQL, JUnit,

Firm understanding of windows registry and device manager.

Attending daily triage meetings across multiple vendors.

Knowledge of multiple components and load balancing.

 

AT&T, Inc.
Senior Test engineer/Network Tester	03/11 – 08/11

 

Tested in AT&T lab environment and automation .

Worked on daily basis troubleshooting LTE 4G using android devices testing the frequency.

Experienced in SS7, Access7, RF Technology, based on GSM/CDMA/3G/4G/LTE Network.

Hand on IXIA network simulators

R&S experience + Anite

 

Isoftstone/ HTC
Bluetooth A2DP	02/11 – 04/11

 

Worked very closely with Developers on a daily basis troubleshooting { FTS:BT}.

Debugging Connectivity issues
-Wi-Fi roaming testing, hotspot, Soft AP, Enterprise based testing Cars_sync

Good working knowledge of Wi-Fi technologies (802.11 a, b, g, n)

Issue discovering in UMTS, GSM and GPRS environments.

Tests cases specification and execution.

Experienced in interfacing with audio and touch screen technology. 

Experienced on Blue tooth (A2DP profile). 

Experienced on WP7.Android CDMA. Android BTL Devices.

Knowledge OF 3GPP/HSPA+,CDMA/EV-DO/4G, UMTS/4G /LTE.

 

iSoftStone
QA Software Testing Engineering	11/10 – 01/11

 

While engaged at Microsoft on the Financial Microsoft WP7 Program Management Project:

Responsible for financial documents. Enforced program rules and guidelines through analysis of requests for reimbursement process.

Experience test plans, test cases, documentation manual testing using Quality Center in client server. 

Experienced in test automation ,PHP, Node.js,

Conversant with all phases of Project Life Cycle including requirement gathering, analysis, design, development, implementation, testing, software quality standards and configuration management and change management and quality procedures.

Eclipse, SQL, JUnit,

 

iSoftstone Seattle, WA
Software Tester Engineer	09/10 – 11/10

 

While engaged on T –Mobile Project:

Tested 3G/4G WCDMA/GSM android base and telecommunication devices.

Eclipse, SQL, JUnit, automation

Experienced in writing test cases, documentation and automation of testing using Quality Center in client server and web based applications including logging defects.