Engineer Electrical

ABDUL BARI MOHAMMED

**********@*****.*** Mobile No: +1-206-***-****

Professional Summary

Extensive knowledge in wireless communications, 3GPP standards and expertise in wireless protocols, charging protocols and routing protocols which is necessary to carry E2E network testing of UMTS, LTE, IMS, 5G, MCPTT Networks, in a very proficient and efficient manner. Technical Skills

Operating Systems Windows 7,8,10. Macintosh, Linux Languages C, C++

Databases/Reporting HP Lifecycle Management (HPQC) Case Tools NetScout-IRIS, QXDM, JDSU, Samsung CSM, TORCH Web Related TORCH, CSM for tracing MCPTT calls.

Tools & Utilities Wireshark for .pcap files, X-shell for logging Gateway traces, Domain Knowledge PSTN, ISDN, SS7, GSM, CDMA, 3G, 4G, LTE, VoLTE, IMS, MCPTT & CCNA. Experience

Organization Designation Duration

AT&T, Redmond, WA Service Validation Engineer (07/2019) – Present Mechknowsoft, Texas LTE Test Engineer (01/2019) – (07/2019) Mobily, Jeddah, KSA LTE Test Engineer (04/2013) – (06/2015) Mobishahstra, India Network Engineer (07/2011) – (02/2012) AT&T, Redmond, WA

Role: Service Validation Engineer

• Working as service validation test engineer at AT&T labs to validate, configure, test, and troubleshoot 3G, 4G, LTE, VoLTE, MCPTT data networks.

• Responsible for E2E testing of EPC core network functionality with new features on different releases.

• Testing different Samsung proprietary and Apple devices.

• Suggesting RAN team to follow RAN setting to test Network rigorously.

• Logging different test scenarios to check the compatibility and robustness of the designed network with different logging tools such as EPC IRIS, QXDM, JDSU and X-shell for Gateway traces and Shannon tool for device logs.

• Analyzing logs with Wireshark tool to find the network issues and to forward it to the right team for solving it with notes on what needs to be solved and how it can be achieved.

• Responsible for E2E testing of Mission Control Push-to-talk (MCPTT) service for FirstNet and logging call traces with Samsung CSM tool and analyzing floor messages in PTT logs to find the ABDUL BARI MOHAMMED

**********@*****.*** Mobile No: +1-206-***-**** crux of the issue, which node or gateway is down or need to be reconfigured or any charging rules need to applied.

• Applying PCRF charging rules according to the project defined standards.

• Raising Defects with HPQC tool and assigning them to different vendors with a priority depending on the severity of the issue.

• Configuring APN’s depending on test cases using TORCH for FFA testing and using HSS when testing is carried out in Lab.

• Participated in all stages of testing lifecycle events including troubleshooting and resolution. Executing effective processes for system testing function as per established procedures.

• Actively played role in verifying the updated features and the one resolved which was pointed out in the previous release.

• Actively played a role in analyzing LTE and IMS logs with Wireshark where we can verify all the set standard used while tracing a call, such as RAN used, GTPv2 Traffic, SIP traffic, APN used to point the PGW.

• Handover testing with different RAN combinations.

• Involved in timely upgradation of software.

• Rigorous testing of call scenarios between an EVS supportive devices and non EVS device to check which codec is being picked and reporting them to change or reconfigure the setting to increase the efficiency of voice.

• Checking the voice quality during a call by attenuating the signal strength or checking the handover scenarios for voice quality.

Mechknowsoft, Texas – Aug 2018 – July 2019

Role: LTE Test Engineer

• Conducted LTE wireless testing of RF and protocols on mobile products.

• Involved in field testing to execute test plans both in stationary location and specific drive routes

• Performed Data, Call performance and audio quality tests.

• Implemented procedures for debugging and engineering support services for wireless clients.

• Responsible for collecting drive data and analyzing it for coverage, dropped calls and making recommendations.

• Assisted in creation and modification of test plans as per detailed technical requirements.

• Coordinated with test leads for determination and problem resolution of technical issues.

• Prepared test data and defects along with test scripts utilizing test management tools. Supported technical team members in execution of test scripts as per controlled procedures. Mobily, Jeddah, KSA – April 2013-June 2015

Role: LTE Test Engineer

• Assisted senior testing engineer in overall design, testing and implementation of LTE testing environments.

• Participated in understanding of packet core architecture at mobile level.

• Reviewed various dimensions such as security concerns.

• Prepared plans for upgrading of network elements.

• Aided during integration of LTE components.

• Documented technical designs and generated project reports.

• Maintained lab products in live environment.

• Implemented test planning and tested new networks. ABDUL BARI MOHAMMED

**********@*****.*** Mobile No: +1-206-***-**** Mobishahstra, India – July 2011-February 2012

Role: Network Engineer

• Configured testing and troubleshooting of access layer Cisco Routers and Switches.

• Hands on experience in installing various small-scale routers and switches like RIP, OSPF, and EIGRP.

• Evaluate, select, acquire, configure, install, and test routers & switches.

• Experience with STP and Network architecture design which includes dynamic routing, static routing, VLAN setup, traffic splitting.

• Installing operating systems and making sure all the software’s are up to date. Education

Master’s in Industrial Management (Major) and Electrical Engineer (Minor) Texas A&M University – Kingsville, USA

Bachelor’s in Electronics and Communication Engineering Osmania University

Certification

Advanced Wireless Communication

Soft Skills

• Communication

• Teamwork

• Adaptability

• Leadership

• Time Management

References

Available upon request

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