• Develop and maintain Infrastructure as Code • Develop and maintain CI/CD pipelines and application lifecycle• Deploy, configure, and maintain Linux server and virtual network functions from 4G and 5G core• Responsible for conducting complex validation and testing on LTE/VoLTE/5G networks in lab/field using proper tools and analyzing the data accordingly.• Develop automation that would allow simplifying the operations of the environment being built and… Show more • Develop and maintain Infrastructure as Code • Develop and maintain CI/CD pipelines and application lifecycle• Deploy, configure, and maintain Linux server and virtual network functions from 4G and 5G core• Responsible for conducting complex validation and testing on LTE/VoLTE/5G networks in lab/field using proper tools and analyzing the data accordingly.• Develop automation that would allow simplifying the operations of the environment being built and maintained.• Resolving network issues; performing root-cause analysis and monitoring traffic flows to ensure call delivery optimization• Work with software developers and engineers to ensure established automation processes• Scout, try, experiment, and finally integrate technologies that will provide us the edge to build, develop, deploy, and integrate our software in a cloud-agnostic fashion.• Knowledge on MCPTT (Mission Critical Push To Talk) call flow and able to perform test plan analysis, SW download, sanity testing, and configure devices specific to test plan/feature, device logging with provided tools. Show less

ACHIEVEMENTS:• Reduced MCPTT application deployment & management time by 40% through automation initiatives• Participated in finding application software bugs & remediate security vulnerabilities.• Improved code quality and decreased release cycles by 30% through optimized CI/CD pipelines• Cut MCPTT VNF configuration time by 50% using Ansible and shell scriptsRESPONSIBILITIES• Participated in application operations management for Samsung MCPTT application on both ATT… Show more ACHIEVEMENTS:• Reduced MCPTT application deployment & management time by 40% through automation initiatives• Participated in finding application software bugs & remediate security vulnerabilities.• Improved code quality and decreased release cycles by 30% through optimized CI/CD pipelines• Cut MCPTT VNF configuration time by 50% using Ansible and shell scriptsRESPONSIBILITIES• Participated in application operations management for Samsung MCPTT application on both ATT & Samsung labs and also in production environment• Conducted lifecycle activities’, including applying security fixes, implementing new features, and bugs-fixes to remediate application and software related security vulnerabilities.• Helped to create and maintain the CI/CD pipelines by using GitHub for source code management & JFrog Antifactory to ensure reapid and reliable software delivery • Helped automating the VNF deployment and configuration of VMs using Ansible YAML and shell scripts and executed various manual or automated testing (sanity, regression, performance, etc)• Used infrastructure monitoring & alerting solutions like ( Zabbix, Prometheus, Grafana, & Nagios) to monitor the status of MCPTT application • Prepared daily status reports to Samsung upper management. Show less

• Worked with various clients to understand & document their requirements of new projects & technologies to be built in AT&T’s lab, and help with the design work of the project.• Troubleshot complex network issues and formulate correction plan utilizing analysis applications such as Wireshark, tcpdumps, traceroutes, etc.• Technically lead all lab effort for LTE Handover project between AT&T US & AT&T Mexico in which identified & worked with the team to complete all required… Show more • Worked with various clients to understand & document their requirements of new projects & technologies to be built in AT&T’s lab, and help with the design work of the project.• Troubleshot complex network issues and formulate correction plan utilizing analysis applications such as Wireshark, tcpdumps, traceroutes, etc.• Technically lead all lab effort for LTE Handover project between AT&T US & AT&T Mexico in which identified & worked with the team to complete all required connectivity, FW changes, MME, SAEGW & DNS configs. Also, helped in developing test cases & TOL & executed them using Spirent LandSlide tool. • Used data collection techniques, analyzed and validated all traces captured at UE, eNB, MME, SAEGW, & FWs with Wireshark & other tools to match expected call flow Show less

• Developed E2E Call Flows, TOL, and test cases for key service flows based on available NDRs, LEP, Network Architecture, and Standard Bodies such as 3GPP, ITU-T, IETF, OMA, etc.• Integrated and validated (E2E) various projects at AT&T like virtual UDR vUDR & NOKIA IoT WING, and validated new services like Tethering detection, DPI, ABR, & concurrent shaping• Troubleshoot complex network issues and formulated correction plan utilizing data collection of traces at various nodes & analyzed… Show more • Developed E2E Call Flows, TOL, and test cases for key service flows based on available NDRs, LEP, Network Architecture, and Standard Bodies such as 3GPP, ITU-T, IETF, OMA, etc.• Integrated and validated (E2E) various projects at AT&T like virtual UDR vUDR & NOKIA IoT WING, and validated new services like Tethering detection, DPI, ABR, & concurrent shaping• Troubleshoot complex network issues and formulated correction plan utilizing data collection of traces at various nodes & analyzed traces to match call flows using Wireshark• Analyzed fault reports and created test cases to resolve technical issues across different elements of LTE/IMS network. Show less

• Created, reviewed and performed of test cases and test scenarios %100 manually according to customer experience and performed functionality testing, and prepared test summary reports• Tested applications using Black box/white box testing, unit testing & performance testing• Developed moderately complex scripts in Python and .NET C# for manual and automated tests

Accomplishments:Saved over $20K by training more than seven employees in DSP Dept. and increased employee training participation by 50% by adapting inter-employees knowledge transfer program.• Lead, managed and developed the DSP department• Trained department staff on C/C++, .Net C#, Xilinx and Altera FPGAs, Verilog HDL, & MATLAB• Provided technical assistance to lower level engineers or a small work group

• Developed moderately complex code/scripts in C# and Python to test applications• Designed, implemented, tested and debugged algorithms for embedded systems in C/C++ • Performed system testing activities such as feature validation, test description documentation, parameter optimization, performance analysis, test strategy creation, problem troubleshooting

• Lead multi-disciplinary teams of engineers and technicians • Executed the Budget Estimation, Quality Plan, KPI testing, Risk Management activities, and of all design related activities during the product/system lifecycle • Performed monthly report presentations to upper managements

• Successfully enhanced system performance by 60% after introducing an invented technique • Designed, implemented, modified, synthesized, verified and validated logics using Verilog per the system architecture for use in gate arrays (FPGAs) using Verilog (Synthesized RTL Code with Xilinx (XST) ISE 8.1i)• Verified system requirements using ModelSim by generating Testcases/Testbenches• Designed, coded, and debugged DSP algorithms using .NET C# OO programming Language

• Performed administration functions for user and computer networks, including security• Provided a basic report of conducting quality operation system• Provided technology recommendations for local and wide area network, and other significant technology projects.