
Principal Staff Software Engineer at Motorola, Inc
Miami/Fort Lauderdale Area

Principal Staff Software Engineer at Motorola, Inc
Miami/Fort Lauderdale Area
Senior-level member of the staff with deep understanding of Linux/Windows-based software platforms, with great focus on embedded devices from an architectural design to its implementation and deployment. I worked and contributed individually with code while debugging difficult issues in many embedded platforms. As a technical lead, I was also in charge of making design decisions, participate in cross-functional meetings, and lead team of engineers during the development of Java for Motorola iDEN/CDMA devices. With more than 7 years of experience in the wireless industry including leadership engineering positions for Fortune 100 organizations (e.g. Technical Program Manager position at Microsoft Networking in the area of Personal Area Networks). An Innovator and individual contributor with 11 submitted patents (including 3 already issued). I am active participant in IEEE Journals and Conferences as part of multiple TPCs with authorship in several publications in journals and conferences.
With a total of more than 10 yrs of experience in computer networking (wired and wireless). As an early adopter of technology, I have worked with most technological advances at physical, link and presentation layers including protocols such as X.25 thru WiFi/Wimax.
I have also mentored engineers at Motorola and taught undergraduate and graduate-level courses.
My current interests are Virtual Machines (Dalvik, Java, .NET), Kernel integration, Virtualization, Location-based services, as well as research & development in mobile networks.
Dalvik/Java Virtual Machines, J2ME, Bluetooth, Internet Networking, Network Security, VoIP, Location-based Services and systems, Software engineering architectures, Wireless and Mobility management, High-performance Networks and clusters.
(Public Company; 10,001 or more employees; MOT; Wireless industry)
October 2007 — Present (1 year 10 months)
Currently working on Java-based Interfaces for Mobile Devices, including Android and J2ME. Attending Google I/O conference, developing several prototypes and creating a Java-based experience for the Push-to-Talk business.
(Privately Held; 1-10 employees; Wireless industry)
September 2007 — Present (1 year 11 months)
4G Wireless Mobility Emulation Technology: Patent 7,231,330
Designed to emulate mobility handovers at PHY and LINK, capable of 2/3 cell handover could be emulated with real hardware, e.g. WiFi or WiMAX. Fading, Noise, and Terrain models could be applied. Network delay and bandwidth emulation also available using Mobile IP or any other protocol.
This innovative technology available for licensing.
URL: http://www.ramobitech.com
(Privately Held; 1-10 employees; Telecommunications industry)
July 1996 — December 2007 (11 years 6 months)
In 1996, I started COMPUNET one of the first ISPs in Tegucigalpa, Honduras. http://www.compunet.hn/ As main engineer, I was in charge of DNS servers, several Cisco 26XX routers, dual internet pipes, and maintaining TACACS/RADIUS access lists, manage accounts, and support several dedicated wireless customers. Developed and hosted more than 50 web sites, and handled more than 10 000 accounts thru COMPUNET's lifetime. As one of the first Linux users in 1996 in Honduras, COMPUNET is a 100% open source project, with hundreds of BASH scripts created by me for multiple purposes. This business is currently inactive.
(Public Company; 10,001 or more employees; Wireless industry)
November 2003 — October 2007 (4 years)
Developed J2ME features and lead team of engineers including:
* JSR 177 implementation for Windows Mobile 5.0
* Worked on the design and automated testing including: Memory Leak Tool. Secure Java App Loader, NMEA automated CETK testing for RIL Driver with Integration to Platform Builder
* Participated in a team to improve inspection records and was instructor for on-line class
* JSR 179, Platform Request, and iDEN extensions for Java Dual-Mode
* Great expertise integrating Qualcomm VM, BREW, AMSS, DMSS
* GPS Champion for iDen CDMA (gpsONE engine, on 1X and EVDO devices)
* JSR-82 for BREW/CDMA devices, Qualcomm Bluetooth Stack and IBTExt
* Memory management improvements for MSM 6500 architecture.
* More than 3 yrs of experience w/ CDMA platforms and tools including JTAG debugging on MSM 6100-6500 devices.
* Substantial interaction with several J2ME application development vendors including : Telenav, Sprint TV, Seven Networks E-Mail Client, GLU games, and TELECA AMS.
(Public Company; 10,001 or more employees; MSFT; Computer Software industry)
August 2002 — October 2003 (1 year 3 months)
Wireless Networking organization, first as an intern in 2000, I worked for Wireless Zero-Configuration team submitting a patent and developing a power management algorithm for Windows XP. As a full-time employee, I worked on Bluetooth PAN drivers for XPSP2 and planning/architecture for Roaming Engine on Longhorn (Vista) Defined Architecture and authored patent on PAN Driver for Windows (Patent: 7269388)
(Educational Institution; 10,001 or more employees; Computer Software industry)
January 2000 — August 2002 (2 years 8 months)
Teaching Intro CIS, Mobile Computing, C++, Software Engineering. RA at Mobile Computing Lab.
(Government Agency; 51-200 employees; Telecommunications industry)
September 1995 — June 1997 (1 year 10 months)
COMTELCA is the Central American Telecommunication Commission (similar to FCC). Video-conference (16 -site manager), Network Management, Telecommumication Traffic Monitoring, Chief Information Officer. I taught several video-conference courses on C/C++, Linux, IP Networking; I also attended several courses in San Jose CA on CLI-Video Conference Systems, and IP-networking in Caracas Venezuela (by France Telecomm).
(Non-Profit; 10,001 or more employees; UNDP; Program Development industry)
May 1996 — June 1997 (1 year 2 months)
IT Consulting and systems management:
- SCO server integration to Lotus Notes
- Secure firewall and audit accounting records
- Provide assistance in several IT-related projects supported by the UNDP in Honduras.
(Privately Held; 11-50 employees; Information Technology and Services industry)
1995 — 1995 (less than a year)
Windows Networking and applications support, took several courses on UNIX and IP-networking.
(Government Agency; 1001-5000 employees; Telecommunications industry)
November 1994 — June 1995 (8 months)
Engineering intern for the Packet Data Network of Costa Rica, X.25 Protocol, Internet over X.25, initial internet deployments in Costa Rica. I wrote one of the first Windows applications in my department and for RACSA, mostly R&D work to graduate from engineering school.
Ph.D Computer Engineering , Mobile Computing, Wireless Networks, 4G and Mobility , 2000 — 2002
Worked as Teaching/Research Assistance, where I invented RAMON and implemented a prototype where several protocols have been developed including "Ghost Mobile IP" a patent pending technology. In my spare-time, as a student entrepreneur, I helped with PHONEOMENA in 2002, won University of Florida business plan competition as an E-Melodies partner, and worked as one of the founders for USBMIS (US Bio-Medical Information Systems in 1999).
M.S. in Electrical and Computer Engineering , Intelligent Systems and High-Performance Clusters , 1997 — 1999
Worked on my thesis on Adaptive Sampling for Network Management. A Fuzzy-Logic Controlled Sampling Mechanism for Network Traffic (Self-similarity, SNMP, High-performance Networks)
Electronics Engineering , Computers/Electronics , 1991 — 1995
I worked for RACSA and created a Windows-based Monitoring System for the X.25 packet-data network. Components: Software running on Windows 3.1 and Hardware: i8051-based microcontroller to monitor PBX use as well as data traffic on X.25 networks (device made by Yuen On Lee). The system provided PBX status as well as throughput information per node.
Back then, also wrote an inventory/billing system for the Departamento Ecumenico de Investigaciones (DEI) as well as provided consulting/IT services to them from 1993-1995.
Started the Masters program in Computer Engineering.
Bachiller , Sciences , 1986 — 1990
Investing, new ventures, innovations/patents, entrepreneurship, college teaching, software engineering, guitar playing, teaching.
IEEE Computer, ACM, UF Alumni Association
- Fulbright Scholar '97-'99
- Runner-up and Winner UF Business Plan Competition
- 11 patents filed, 3 issued. Areas: Mobile IP, Wireless Emulation, Windows Vista Roaming Engine, Bluetooth PAN Driver, Magetic Connector, Secure USB, and many others.
- TPC and Reviewer for IEEE Communications, LCN, WLN, Globecomm, Journal of Network Management.
- Runner-up, Winner, Honduran National Science Contest