5G SA Integration Lead

• Apr 2022 - Present

Reailize is a business partner to the world’s largest Telcos & Enterprises globally, driving transformation, and revolutionizing the way networks are validated and operated. We are a LOT more than a basic services company, outsourcing company or systems integrator. We focus on business impact, signing up for business outcomes and putting skin in the game. We invest in R&D and products. Our IP helps us deliver transformative services as managed programs in the areas of continuous validation and assurance (CV/CA) using our automation tooling, process optimization and our domain experts in our hubs around the World. Reailize builds on decades of experience and impeccable track record of the founding team plus thousands of team members in US, Europe and the Middle East. Show less

Senior Service Architect

• Apr 2018 - Mar 2022

Senior System Architect

• May 2013 - Mar 2018

• Leading the integration effort to setup lab network environment for new technology / service validation/certification testing• Proposing solutions to fill the design gap or recommending for appropriate changes to original design and leading the implementation of the solutions• Developing technical architecture and engineering documentations for integrating new technologies/services into lab network• Following up with the engineering implementation• Overseeing the integration validation and resolving technical show stoppers to bring devices, platforms, and services to specifications’ compliance and to meet AT&T requirements• Supporting testing teams to conduct Root Cause Analysis of issues reported by lab and production teams• Providing inputs during new tech/service design phase. Show less

Wireless Network Quality Engineer

• Nov 2012 - May 2013

• Worked on the Domestic Inbound Roaming project (Aio Wireless, M2M service, and OnStar).• Detailed test plans and test cases. • Verified Network Design Requirements (NDR), System Requirements, and the network integrations.• Executed lab testing, sanity testing and regression testing which include End-to-End (E2E) GSM/UMTS testing (voice, SMS, VM/VVM, MMS, WAP, and Web), LTE testing (Data, SMS, MMS, and Voice-CSFB), device testing, IREG testing and verifying SIM profile, • Executed Production Testing which includes E2E & FFA testing like verifying connectivity between all NEs, verifying primary functionality of all NEs, verifying new product functionality and KPIs.• Followed up on issue tickets to closure.• Cooperated with Nexius' client and the other 3rd parties on troubleshooting. • Trained, instructed and provided technical support to the other QA team members.• Reported test result on a daily manner.• Achievements. 1. As the first QA Engineer got to the mobility lab located in Atlanta, reporting directly to the QA Director, I helped Nexius' clients complete near 3000 test cases since November/2012 to ensure the Aio Wireless service to be launched on 09th/May/2013.2. I got the very first calls of Voice/SMS/MMS/Data of Aio Wireless and OnStar service in 2G/3G and LTE networks in the Mobility Labs. Show less

TAC Roaming (IREG) Specialist

• Aug 2009 - Sep 2012

• Performed IREG testing on all Rogers/Fido services, including GSM voice and SMS, GPRS/ EDGE (MMS, WAP, and Web), 3G UMTS (Voice, SMS, MMS, WAP, and Web), and CAMEL prepaid-IR.32. • Performed diagnostics and troubleshooting on all roaming services (voice, SMS, MMS, WAP, Web, all technologies) and solved technical issues in a timely manner, assisted by trace tools like AcceSS7 (Call Trace), Agilent Session Trace, Tektronix IRIS and Wireshark, as well as by the applications like Global Roamer and RCATS. • Participated in initiating the LTE roaming activities. • Followed testing procedures. • Set up common testing with the roaming partners from all countries around the world. • Communicated with technical support groups within Rogers, NOC, TAC, Roaming Business, Engineering and Technology, as well as with third parties suppliers such as TATA Telecom, Syniverse, Sybase, etc. • Created, handled and monitored trouble tickets. • Assisted in the initiation and establishing of the roaming agreement on technology topics with the roaming partners. • Reported on a weekly/monthly basis. Show less

Installation Technician

• Nov 2008 - Mar 2009

• Installed equipment and hardware (MSC-S, MGW, SGSN, GGSN and RNC). • Added and modified wiring and connections. • Identified cable. • Spliced DC power cable. • Installed equipment and hardware (MSC-S, MGW, SGSN, GGSN and RNC). • Added and modified wiring and connections. • Identified cable. • Spliced DC power cable.

Search Quality Rater

• Jan 2008 - Jan 2009

As a Search Quality Rater, I evaluated the quality of search engine results by working on some different types of rating tasks such as URL rating, Display Block, Review, and Side-by-Side, and so on. As a Search Quality Rater, I evaluated the quality of search engine results by working on some different types of rating tasks such as URL rating, Display Block, Review, and Side-by-Side, and so on.

Network Operations Center (NOC) Engineer

• May 2001 - Feb 2007

• Managed, Coordinated, followed up and implemented Commissioning, Integration, System Acceptance Testing (SAT), Capacity Expansion and Upgrading projects of network elements (HLR, MSC, MSS, MGW, SGSN and GGSN). • Established the Method of Procedures (MOP) for the implement of the above-mentioned works and wrote report. • Troubleshooted for the alarms and critical complains, and resolved critical network outages. • Managed office data: provisioned, adjusted, verified and modified the office data (VLR data, Trunk data, SS7 data, Prefix data, route data, IP data…) and the subscribers’ profile data. • Collected and analyzed logs data and signaling to detect problems and fix network issues in order to get a high quality of service to customers, assisted by Signaling Analyzer (Agilent K1205), Signaling Monitoring System and software such as Wireshark. • Planed for and implemented preventive maintenance routines to ensure network run in a requested performance. • Participated in 24/7 emergency on-call support. • Trained the first-line technicians to operate and maintain core network equipments and relevant subsystem. • Routinely back up the system data and subscribers’ profile data. • Provided a level-2 technical support for the Customer’s Service Center and for the first-line technicians Show less

Assistant Electronic Engineer

• May 1999 - Apr 2001

• Participated to design and develop the Wireless Audio/Video Monitoring System, identified defects and assisted developers with bug reproduction. • In charge of products quality assurance, testing, installation/configuration, and commissioning. • Executed functional test plans and subsequent defect tracking. • In charge of after-sale services and products repairing. • Participated to design and develop the Wireless Audio/Video Monitoring System, identified defects and assisted developers with bug reproduction. • In charge of products quality assurance, testing, installation/configuration, and commissioning. • Executed functional test plans and subsequent defect tracking. • In charge of after-sale services and products repairing.