Possess extensive experience in IT industry with strong background in cloud app deployment .Planning,
desigining and implementation of solution and services in core networks. Performed requirement analysis,
created solution architecture schematic, performed deployment, test , post launched solution maintenance and
System Architect03/2012 to 03/2017Oracle IncFrisco, TX
Plan , Design and implement Cloud Diameter Signaling Router (DSR) App and the engineering based
Analyze the customer requirements from business contract document or SLA
Creates the Solution Architecture Engineering documents for the product implementation in accordance
with customer requirements.
Creates the IP network planning document for the product implementation
Performs product app cloud installation and configurations.
Creates the Test Plan and execute test cases according to customer requirements.
Provides operational and maintenance support, upgrade, troubleshooting for product functional issues.
LTE System Engineer02/2010 to 03/2012Repeat Consulting IncMcLean, Virginia
Performed LTE Core tests on S6a, S11, Gx/Gy/Gz and E911 Sgi interfaces.
Conducted diameter interface messages test between MME and HSS,S-GW, P-GW and PCRF.
Analyzed diameter commands and AVP of various interfaces.
Implemented LTE feature test cases from the customer requirements, test design specification and 3gpp
spec through the proprietary tool.
Created LTE test cases such as Data Retry, GMSS (Multimode system selection), and L1/L2 level
throughput test all with IPv6 based IMS PDN Network.
Automated Authentication Resync procedures based on Milenage and Rijend'ael encryption algorithm.
Installed and configured various commercial releases of the test construction tool Rapid Test Designer.
LTE System Engineer01/2009 to 02/2010Huawei Technologie IncPlano, Texas
Performed LTE network design for various field trials.Design included High Level Design (HLD) and Low Level Design (LLD) of the trial network.
Performed LTE/SAE software installation, commissioning and integration of managed elements (ME) such
as eNodeB, MME, S-GW/P-GW, HSS into core network for various markets.
Troubleshot LTE data call, such as attach failure, debugged call flow messages using various traces
according to 3GPP specifications.
Configured lab with LTE nodes to setup LTE validation network.
Performed LTE features test, such Attach, Detach, TAU and Handoff.
System Engineer02/2002 to 12/2008AdeptMax IncRichardson, Texas
Performed upgrade on Media Gateway, Call server Spatial Software 3.0 to 4.3 releases for UMTS
Troubleshot service impacting issues, performance KPI for Soft switch.
Provisioned and Configured Call Server and Media Gateway for T-Mobile market deployment.
Resolved critical trouble-ticket issues for various levels of SS7 stack connectivity problems and
communicated status reports with management team.
Analyzed and Troubleshot GPRS/UMTS KPI related issues such as Attach, PDP activation Irau
Effectively debugged and troubleshot wireless data network issues for the smooth operation of customer
Worked closely with the developers and designers to investigate issues during the failed test cases utilizing
clarify bug reporting tool.
System Test Engineer02/1996 to 11/2001Motorola IncFort Worth, Texas
Installed and upgraded CDMA network software in customer site for network elements such as CBSC, MM
and Transcoder components.
Led a team to plan, develop using TMS tool and execute test suite for pilot beacon project that enhanced
inter frequencies handoff across different CBSC.
Performed deployed system's capacity analysis such as Erlangs, port availability, BHCA, CPU utilization
and forecasted the threshold of network capacities.
Created reverse engineering process to generate CDMA network database from the system provisioning
scripts, which reduced the system configuration time and minimized defects.
Education and Training
Bachelor of Science: Computer ScienceOklahoma State UniversityStillwater, OklahomaComputer Science Computer Science Software Engineering § Programming § Data Structures § Operating Systems § Data