TECHNICAL SKILLS:

Software/Tools: Nokia s NetAct, ALU NPO and SAM, Confidential s OSS Cygwin, Moshell, Common Explorer, BO, ENIQ, Nokia SAM, Nokia BTS manager,MS Project, MS Word, Excel, PowerPoint, IBwave, Atoll, Planet EV, Map Info, EDOS, ECO, ERA, TEMS, Nemo Outdoor, Iris, QXDM, Aeroflex, Perfecto, Microsoft Project. IPv4 switching and routing.

Hardware: Subject Matter Expert (SME) for the Utran/EUtran/gNB (WCDMA/LTE/5G - NR) of RAN. Extensive knowledge in the RF and Core parts with expertise in the three wireless technologies GSM/WCDMA/LTE-FDD/LTE-TDD (2G/3G/4G) as well as the new 5G-NR and mmW Radios and Core products such as MME, MSC, SGW.. and old wireline products (AXE switches and IOs). Knowledge of transport technologies such as Ethernet and ATM.

PROFESSIONAL EXPERIENCE:

Confidential, San Francisco,CA

RF Engineer

Responsibilities:

• 4G / 5G-NR and ICL day to day test plan testing support for different UE device testing.
• 4G / 5G-NR testing and support for NSA-DC (Non Stand Alone Dual Connectivity) configuration.
• 4G-LTE Integration and Configuration Lab for daily testing different UE vendors.
• 4G-LTE troubleshooting and support for Test Object Lists Test Case execution.
• 4G-LTE SW upgrades for GA Software releases.
• 4G LTE configuration and support for feature testing for:
• Carrier Aggregation (2CC/3CC/4CC/5CC) and UL CA for different UE vendors.
• Cat-M1
• CBRS Access technology
• LAA Access technology.
• 256 QAM / 4x4 MIMO
• ICL support for mmW 5G radios and Baseband
• 5G NR support for mmW radios (AIR-5121 and AIR-5331)
• 5G NR Support for configuration and feature testing support.
• 5G NR N-SA for lab testing.
• 5G NR N-SA EN-DC Dual Connectivity support for lab testing.

Confidential, Plano, TX

Senior Technical Lead

Responsibilities:

• LTE 5G Baseband migration project for Confidential &T network.
• Pre and Post Performance analysis ALU to Nokia platform migration.
• Performance management for Accessibility/Retainability/Mobility for VoLTE/PS/Signalling bearers.
• Pre and Post migration parameter audits for VoLTE, Data/Signalling PS, MFBI, Hos…..
• LTE KPIs trending graphs deliverables post migration.
• Troubleshooting analysis for degraded KPIs.
• Optimization activities for degraded KPIs.
• Parameter optimization and implementation of Nokia LTE sites to meet KPIs requirements.
• Alarms resolution.
• Google map plots for Confidential &T coverage and neighbor analysis.

Confidential, Bellevue, Wa

RAN Architect

Responsibilities:

• Scrum technical lead.
• SME Support for RAN(UMTS/LTE/VoLTE) for Lab testing Automation for Confidential
• Analysis and creation of lab test cases (UMTS/LTE/VoLTE).
• Sprints planning and retrospection. Sprints backlog administration.
• Running lab test cases (UMTS/LTE/VoLTE).
• RAN configuration for lab testing (UMTS/LTE/VoLTE).
• Troubleshooting RAN issues (UMTS/LTE/VoLTE).

Confidential, Plano, TX

Support Center Engineer

Responsibilities:

• Troubleshooting for configuration failures on UMTS/LTE environment.
• Integration of new sites and site’s components for UMTS/LTE.
• Configuration changes to adapt new components and site plumbing analysis.
• Central support to field technicians.
• Report generations.
• Alarm clearing.

Confidential, Plano, TX

SME RAN Utran/EUtran/RF Engineer

Responsibilities:

• LTE and WCDMA network implementation, integration, rollouts, O&M, troubleshooting, Alarm clearing, re-tunings, expansions, layer management, optimization and Performance Management (KPIs).
• LTE RF design, new site acquisitions, coverage analysis, LTE pre-launch and post-launch support, VoLTE configuration and troubleshooting. Lab testing for new SW releases and feature testing, lab IOT testing. FOA testing.
• Designed and pioneered proactive support services in North America as an alternative to reactive support services.
• Over 15 years of customer network support roles and trouble ticket resolution for 1st and 2nd lines of support to live GSM/WCDMA/LTE networks.
• Lab setup and configuration for LTE-TDD tests with RRUL81 radios and
• DUS41 Baseband.
• Basic functionality test, UL/DL throughputs, latency and Carrier aggregation tests.
• Tuning and optimization services for LTE-TDD to Confidential mobile operators.
• Configuration, tuning and optimization for live LTE-TDD network.
• Troubleshooting of KPIs and tickets resolutions.
• LTE-TDD RRUS 82 Lab testing in Beijing China.
• Lab configuration and setup for prototype RRUS82 and DUS41.
• Write test case scenarios and test instructions.
• Basic functionality tests, Regression testing, throughput and latency testing, handovers….
• Design and implementation of Small Cells projects using IBweb.
• Small cells design using IBweb platform for in-building solutions.
• On-Site inspection and measurements of materials and obstacles in walls, columns.
• Analysis of coverage and capacity for indoor coverage.
• Bill of materials and cost analysis.
• WCDMA/LTE (Utran/EUtran) CQI support Confidential &T in TX markets.
• Support and troubleshooting for KPIs projects.
• Analysis of optimization parameters.
• Optimization strategies using Atoll design tool.
• Coverage and capacity analysis.
• Implementation of new optimized parameters.
• WCDMA/LTE (Utran/EUtran) services for Confidential &T in Hawaii.

Confidential

Core and Radio GSM/WCDMA Senior Engineer

Responsibilities:

• Managed services provided for up to 20 small GSM operators using a single Mobile Switching Center (MSC).
• Successful demonstration of 3G functionality to Hutchinson that eventually was one of the first mobile operators to buy our solutions.
• Successful launch and expansion of mobile operator POWERTEL providing cellular services to the eastern part of the country.

Confidential

Senior Engineer

Responsibilities:

• Contracted consulting and support services in a specialist’s group in Spain. Madrid, Spain ( ).
• Delivered technical solutions both SW and HW to TELMEX in north region to enhance their operational network. Mexico ( ).
• Part of winning team who designed processes to lower call downtime for Spain’s wireline operator TELEFONICA.