Technical Support Electrical Engineer

David Gamboa

Englewood CO. ***** 619-***-****

https://www.linkedin.com/pub/dave-gamboa/104/6a1/10a ****.******@****.***

Wireless Telecom Engineer

Effective, client-focused, customer-facing technology professional, possessing extensive portfolio of leadership in multi-million-dollar wireless telecommunications projects. Provide on-site support, positioned as primary contact addressing and resolving technical concerns. Advance cross-functional goals, focused on targeted objectives as liaison to various technical teams, including research and development, installation support and executive management.

Areas of expertise:

Performance Engineering LTE Wireless Telecommunications NOC Support

Project Management Customer Technical Advocacy Handset Software quality assurance

Software Licensing Administration Lab Software Release Testing RCS Hardware Integration Support Release Management RF Implementation Network System Performance Wi-Fi Testing Network Cellular Systems Hardware Troubleshooting 3.5 G Fixed Wireless CBRS

Technical Skills

Platforms:

Wireless Voice and high speed data systems, ECP, Alcatel-Lucent 5ESS, Ericsson AXE SW, Ericsson Radios, RAN RF integration/Optimization, RCS, EVDO, OMP, Cellular CDMA 1x/EVDO, VoLTE, SDH/Sonet, SAM 77xx routers, DAS, IOT, LORA, 3.5 GHZ Fixed wireless, M-MIMO, CBSD, AVSystems, P-LTE, WiFi 6.

Applications:

QXDM, Xcal, Cellular call processing, Solaris, Software Release Management, Microsoft 360, Siterra, Sharepoint, Microsoft Office (Excel, Word), System Performance, Cell Integration, Software licensing, Google Earth, IBwave.

Tools:

Sun Servers, Oscilloscope, Spectrum Analyzer, DVM, Lab Test Eqp, Signal Gen, LabView, Rohde and Schwrz, VMware

Other:

Unix, Solaris, Windows, Raspberry Pi, 8051 Micro-Controller, 8088 Micro-Processors, Wireless 3G, cable and fiber patch panels.

Languages:

AWK, Shell, Scripting, C ++, Assembly, Python

Professional Experience

CHARTER COMMUNICATIONS, Denver CO 2018 - Current

Private-LTE and WiFi 6 technology lab performance and validation testing

Lab and field engineering support, CBRS Fixed wireless network deployment Den CO.

Lab system testing and feature validation, test documentation, field optimization performance analysis, test strategy creation, LTE devices eNB and CPE

EMS intergartion and OA&M, Network element administration and test, software updates validation test and deyployment

Lab RAN hardware and software integration and test

Hybrid LORA IOT lab and field testing.

Lab Samsung handset software quality assurance

Technology and capacity assessments Field trial 3.5 GHz Citizens Broadband Radio Service fixed wireless access Ericson M-MIMO, Nokia and Ericsson eNB

LTE RAN, IOT, WiFi training, performance scripting freelance 2016 - 2017

ALCATEL-LUCENT, Los Angeles CA 1997 — 2016

System Performance Engineer/ Test Engineer 2013 — 2016

Live Network software and hardware Integration and performance testing for Cellular CDMA 3G/ VoLTE, on Sprint national network,

End to End regression testing and trouble resolution. Maintained VoLTE ALU SAM 77xx router IP network setup and debugging,

National licensing administration. Performed database cell-site construction tracking administration (Sprint PCS Siterra).

Member of Technical Staff, Los Angeles, CA 2010 — 2013

NOC support and performance optimization for end to end RAN, 4G and LTE networks, performed root cause analysis of network issues/ outages, software updates,

4G post launch market acceptance management plan, automated software development for quality of service auditing and reporting

ALCATEL-LUCENT (Continued)

Lead Customer Technical Support Engineer, CA / NV / KS 1997 — 2010

New service deployments, hands on integration and acceptance testing. Served as lead on-site technical support for new feature integrations, retrofits and migrations.

Contributed to or led development and deployment of multiple on-air and operational projects, including:

Network database rehomes, network system performance and acceptance testing, Network System Performance Auditing.

RF optimization and system optimization, Fault finding and resolution

Deployment Network Engineering support to provision end to end capacity

Milwaukee wireless network swap-out 4G and LTE from Nortel to Alcatel-Lucent.

3G amplifier firmware downloads, audits, installation and validation for Sprint national radio access network.

Lab support cell database migration and generic software testing, MOP writing.

Data packet control feature integration DO 1X

CDMA 3G national network launch Technical Support Center.

Integration and acceptance testing of wireless mobile switching centers Cedar City (Comnet), Fort Smith (Mobile One) and Merced (US AIR).

Support engineer Sprint national technical assistance center for cells and MSC.

Flexent Modcell’s first office application team in Irvine, CA.

TELNOR, Baja, CA / Mexico 1993 - 1997

Network Transport Engineer / Manager

Operations of fiber optic (SONET), wire and microwave network

Technical Support of local and long distance telephone getways (AT&T 5ESS)

Ericsson – AT&T central office swap-out

Technical training of operations tech staff 5ESS

CBT (Hughes Aircraft) 1992 - 1993

Quality Control Engineer

Micro Electronics (Hybrid VLIC) QC testing, missile guiding system circuitry (Maverick, Stinger, Amram)

SONY, Baja, CA

Senior Electrical Test Engineer 1990-1991

Developed microcontroller and optoE based hardware test equipment for production lines.

Manufacturing plant test equipment OA&M

Education

Bachelor of Electronics and Industrial Engineering, Instituto Tecnologico de Mexico

CPI Certification Nov 2019

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