MEHRAFARIN DEHGHANI
*G/*G System Interoperability Engineer
***********@*****.*** 972-***-****
Plano. TX
linkedin.com/in/mehrafarin-dehghani-76a6a8178
Summary
17+ years of experience in wireless network deployment, Integration,optimization, and troubleshooting, with a strong focus on 4G/5G technologies. Proven expertise in field testing, Nokia core maintenance, IOT Lab testing and using tools such as QXDM, QCAT, Emil, and Wireshark. US Citizen with excellent time management and problem-solving skills, capable of thriving in high-pressure environments. Experience
4G/5G System Interoperability Engineer_F2G Solutions (DSI Telecom INC) May 2025 to Now
• Working on test specifications, test plans, test cases, features using Nakia documents and 3GPP.
• S1-U IOT testing between Nokia eNB and Cisco S-GW in LTE network.
• S1-U IOT testing between Nokia gNB and Cisco S-GW in 5G/NSA.
• N3 IOT testing between Nokia gNB and Cisco UPF in 5G/SA.
• Setup test equipment/devices also create/delete/modify configuration in eNB/gNB on the base of test cases in LTE/NSA/SA and verify test results using Wireshark, QXDM etc.
• Preparing configuration in eNB/gNB for HO/Carrier Aggregation /Cell Neighboring /PCI handling etc. and checking Network behavior in case of mobility and feature activation and test scenario.
• Good experience with log analysis Reporting and debugging tools. Wireless Field Test Engineer 4G/5G_F2G Solutions (DSI Telecom INC) OCT 2021 to May 2025
• Supported Nokia SRAN Verizon 4G/5G projects in NJ, OH, and TX markets.
• Executed VoLTE and Data call testing during precheck/post check regression phases.
• Analyzed logs using QXDM, QCAT, Emil and Wireshark to troubleshoot RRC, RLC, and NAS layers.
• Tested features like Carrier Aggregation (CA), Dual Connectivity (DC) in NSA/SA, and validated outcomes.
• Tracked bugs, compiled reports, and presented results to stakeholders.
• Used multiple devices, applications and debugging issues.
• Knowledgeable in GSM/3G/4G(LTE)/5GNR networks, protocols and track signaling messages. RF Planner & Optimizer_-TCI Telecommunication Company of Iran 4014-2019
• Planned and optimized new BTS/NodeB sites with improved RF parameters and coverage.
• Monitored 2G KPIs and fine-tuned BSS parameters to enhance network performance.
• Used ACTIX to analyze drive test data and recommend optimization actions.
• Participated in BSC & RNC rehoming projects with cross-functional teams. Nokia Switch Core 2G/3G Engineer - TCI Telecommunication Company of Iran 2007-2014
• Performed troubleshooting of GSM/3G Network.
• Maintained MSC, MGW, HLR, VLR.
• Handled unit and traffic channel testing and used protocol analyzer in critical situations.
• Performed troubleshooting of GSM/3G Network.
Power Equipment Engineer TCI 2003-2007
• Repairing and tested analog/switch-mode rectifiers and battery chargers(48v/20A-100A)
• Provided ground solutions to mitigate surge damage on telecom equipment. SKILLS
• 4GLTE,5GNR, Testing, Voice over IP(VoIP), VoNR
• QXDM, QCAT, PCAT,Wireshark, Actix, Emil
• RSRP, RSRQ, SINR, Link budget, Handover analysis. SIP. IMS
• Troubleshooting, Documentation, Team Collaboration, Time management Education
• Bachelor of Science in Electronic Engineering, Shiraz University of Iran 1990-1996 MEHRAFARIN DEHGHANI
4G/5G System Interoperability Engineer
***********@*****.*** 972-***-****
Plano. TX
linkedin.com/in/mehrafarin-dehghani-76a6a8178
• Pursuing the Cloud Computing Certificate
NOKIA Certifications
• 5GRadio Planning and Optimization 24R2
• 4G-5G Interworking 24R1
• Wavence Synchronization for Mobile backhauling
• Media Gateway troubleshooting
• 3G Rel4Switching Core Network Signaling-MSS SR3.0
• 3G Rel4 Switching Core Network Operation and Maintenance MSS SR3.0
• MSC Server and Multimedia Gateway Operations and integration Language
• Fluent in Farsi.
• Good in English.