Firmware architect and developer of a multiprotocol gateway for SCADA systems in power grid distribution networks, supporting up to 3,000 signals
Used a Microchip ARM9 processor running uClinux OS
Implemented communication interfaces: RS232/RS485 and Ethernet
Developed protocols: Modbus, Procome, Prosa, IEC 60870-5-104
Tools: NetBeans IDE and Git
Added features to include monitoring for photovoltaic plant production
Aug 2022 - May 2023
10 months
Antwerp, Belgium
Embedded System Consultant (Contract)
Atlas Copco
Software architect and developer of an IoT gateway for air compressor data transmission
Used a Cortex-M4 processor running Linux OS
Implemented communication interfaces: RS232/RS485, NB-IoT, Ethernet, I2C, USB
Developed protocols: MQTT and LwM2M
Jul 2019 - Jul 2022
3 years 1 month
Cerdanyola del Vallès, Spain
Embedded System Consultant
Sitel
Firmware architect and developer of a multiprotocol gateway for SCADA systems in power grid distribution networks, supporting up to 3,000 signals
Used a Microchip ARM9 processor running uClinux OS
Implemented communication interfaces: RS232/RS485 and Ethernet
Developed protocols: Modbus, Procome, Prosa, IEC 60870-5-104
Tools: NetBeans IDE and Git
Delivered a gateway solution that improved price-to-feature competitiveness over previous solutions and competitors
Jun 2018 - Jun 2019
1 year 1 month
Viladecavalls, Spain
Embedded System Consultant
Ficosa
Designed an onboard charger for an electric vehicle (Daimler) using two processors: ASIL C main processor for application logic and CAN communication, and ASIL B DSP for H-bridge control
Fixed deterministic scheduler implementation and added control algorithms (PI controller and 2P2Z)
Implemented digital filters and low-level ASIL B test routines at boot (oscillator, PWM, ADC, March C for RAM)
Designed unit tests and debugged complex issues (race conditions, aliasing)
Technologies: Texas Instruments C2000 DSP, C and Assembly, digital signal processing, automotive V-model, unit testing, coverage metrics, MISRA C
Reworked bootloader, scheduler, and power control modules, boosting final product performance
Feb 2008 - May 2018
10 years 4 months
Venezuela
Embedded System Consultant – Barcode System
Embedded System Consultant
Architected, designed, and developed a barcode system to register production of plastic film bobbins, tracking weight, size, operator, thickness, timestamp, and unique barcode
Developed a VB6 application for operator interface, automatic weight collection, and transmission to AS/400 database servers
Integrated Zebra barcode printers and Zigbee-based scales using XBee modules
Communication interfaces: TCP/IP, Ethernet, Zigbee
Delivered an 8% production increase for the customer
Feb 2008 - May 2018
10 years 4 months
Venezuela
Embedded System Consultant – Fiscal Memory
Embedded System Consultant
Architected, designed, and developed an encrypted memory device for thermal receipt printers to store transactions for government tax audits
Hardware design with microprocessor and PCB; firmware in C and Assembly on AVR processors
Communication buses: RS232/UART and SPI; defined protocol for device–PC communication
Developed a DLL in C++ for Windows OS support
Integrated with NCR 7197 and NCR 7197sII printers
Implemented XTEA and AES128 encryption and Whirlpool digital signatures
Achieved sales of over 4,000 units
Feb 2008 - May 2018
10 years 4 months
Venezuela
Embedded System Consultant – HMI SCADA for BOPP Line
Embedded System Consultant
Architected, designed, and developed an HMI SCADA system replacing an obsolete Telemecanique system
Created protocol conversion gateway hardware from Etherway to Modbus RTU; PCB and firmware on AVR processors
Developed SCADA application using the Azeotech package
Delivered an 8% production increase for the customer
Feb 2008 - May 2018
10 years 4 months
Venezuela
Embedded System Consultant – HVAC System for Cinema
Embedded System Consultant
Architected, designed, and developed specialized gateway hardware and sensors to collect ambient data (temperature, humidity) and projection equipment power use
Implemented data transmission via TCP/IP to an SNMP monitoring system
Hardware design with PCB and firmware on AVR processors; interfaces: TCP/IP, Ethernet, RS232
Feb 2008 - May 2018
10 years 4 months
Venezuela
Embedded System Consultant – Keypad for Fleet Management
Embedded System Consultant
Architected, designed, and developed a truck driver interface to log events during transport (accidents, stops, loading/unloading) and collect telemetry like cargo temperature
Hardware design and PCB; firmware in C and Assembly on AVR processors with FreeRTOS
Communication interfaces: UART, 1-Wire, SAE/CAN; 4-bit LCD display
Defined protocol for real-time data transmission to analytics system; developed server-side DLL in C#
Created field configuration software in VB.NET; integrated with Efora, Queclink, MixTelematics units
Delivered 600 units (main customer: Shell in Brazil)
Jan 1998 - Dec 2008
11 years
Technical Sales Manager
Lucent Technologies
Led technical sales for Movilnet-Verizon (Venezuela), Setar (Aruba), and Centennial (Puerto Rico) with annual revenue of $47M
Closed technical proposals and supported account managers in customer relations
Defined technical strategy and supported project managers on awarded bids
Coordinated with internal product teams on feature requirements, material forecasting, and sales forecasting
Expertise in wireless network architecture (3GPP, CDMA, GSM), backhaul networks (PDH/SDH, microwave), and backbone networks (IP/MPLS)
Recognized three years in a row in the Achievers Club for exceeding sales targets
Achieved Lucent’s first CALA sale of SDH/LR ($10M)
Jan 1997 - Dec 1998
2 years
Venezuela
Intern
Intevep – PDVSA
Designed and developed an acquisition card for electrical measurement in rock cores from oil wells
Defined measurement setup methodology
Conducted hardware and PCB design
Introduced a parallel electrode measurement method using voltage pulses, opening a new research path correlating electrical and geophysical properties