Personal profile
Personal profile
Engineer and researcher skilled in PCB design, 3D modeling and simulation, and system integration for cyberphysical systems and custom instrumentation. Proficient in developing, testing and modeling small-scale energy storage systems, and in creating tailored solutions for aerospace power systems. Experienced in translating complex system requirements into reliable prototypes and experimental platforms, combining hardware design, multiphysics simulation, and hands-on implementation in cyber-physical systems for aerospace and IoT applications.
Research interests
• Custom-made cyber-physical systems oriented to specific user or community needs
• Custom-made instrumentation systems
• Battery characterization and modeling
• Satellite power systems
Professional Experience
Researcher and Professor, Tecnológico de Costa Rica Feb 2014 – present: Teaching subjects such as Electricity, Electrical Control, and Instrumentation, and conducting research in cyberphysical
systems, satellite power systems, and instrumentation
Maintenance Manager, Crowne Plaza Hotel Feb 2013 – June 2013: Maintenance and investments management
Project Engineer, Musmanni Corporation Apr 2012 – Dec 2012: Facilities remodeling and permits coordination
Electromechanical Instalations Engineer, Walmart Dec 2008 – Mar 2012: Coordination of electromechanical installations in construction projects
Languages
• Spanish: Native
• English: C1 OTE
• Portuguese: Basic conversation
• Japanese: Beginner
Continuing Education
- SCADA on Instituto Tecnológico de Costa Rica 18/04/2026
Industrial Networks on Instituto Tecnológico de Costa Rica 23/02/2026 - PLC Intermediate Level: Analog Systems on Instituto Tecnológico de Costa Rica 03/11/2025
- PLC Basic Level on Instituto Tecnológico de Costa Rica 01/10/2025
- Test and Data Analysis for Quality and Reliability on Arizona State University 04/11/2024
- Application of Electrical & Thermo-Mechanical Modeling on Arizona State University 28/10/2024
- Materials Selection for Thermo-Mechanical and Electrical Performance on Arizona State University 18/10/2024
- 2D Packaging & Assembly on Arizona State University 18/10/2024
- Introduction to Packaging Materials, Manufacturing, Test, and Reliability on Arizona State University 30/09/2024
- Introduction to Thermal Management and Mechanical Properties of Packages on Arizona State University 25/09/2024
- Introduction to Electrical Concepts in Semiconductor Packaging on Arizona State University 16/09/2024
- Introduction to Semiconductor Packaging and Design on Arizona State University 09/09/2024
- Data Mining and Business Inteligence on Instituto Tecnológico de Costa Rica 01/08/2022
- Big Data on Instituto Tecnológico de Costa Rica 17/03/2022
- Statistics for Data Science on Instituto Tecnológico de Costa Rica 13/01/2022
- Machine Learning on Instituto Tecnológico de Costa Rica 23/09/2021
- Mathematics for Data Science on Instituto Tecnológico de Costa Rica 22/07/2021
- Introduction to battery management systems on Coursera 03/09/2020
- Introduction to Embedded Systems Software and Development Environments on Coursera 05/09/2019
- Embedded Software and Hardware Architecture on Coursera 20/08/2019
- Converter Control on Coursera 19/03/2017
- Converter Circuits on Coursera 14/02/2017
- Introduction to Power Electronics on Coursera 06/12/2016
- SolidWorks Associate Mechanical Design on SolidWorks 22/03/2014
Fields of knowledge of Science and Technology according to the OECD Frascati Manual
- Engineering and Technology
Campus del Instituto Tecnológico de Costa Rica
- CAMPUS TECNOLOGICO CENTRAL CARTAGO
Fingerprint
- 1 Similar Profiles
Collaborations and top research areas from the last five years
-
Diseño de sistemas de diagnóstico y pronóstico en aplicaciones electromecánicas
Montero Jiménez, J. J. (Coordinating Researcher (may be from TEC or another entity)), Gómez Ramírez, G. (Institutional academic collaborator), Rojas Hernández, J. J. (Institutional academic collaborator), Nunez-Mata, O. (External collaborating researcher ), Castillo Aguirre, P. (External collaborating researcher ) & Mata Ortega, S. (Institutional academic collaborator)
1/01/26 → 31/12/27
Project: Research Projects Internally funded › Basic and applied research
File -
Desarrollo de un sistema de monitoreo y alerta para la detección de la exposición al calor en labores agrícolas: Aplicación en la zafra de la caña de azúcar
Rojas Hernández, J. J. (Institutional academic coordinator) & Gutierrez Fuentes, A. (Institutional academic coordinator)
1/01/25 → 31/12/27
Project: Research Projects Internally funded › Basic and applied research
-
ASADAS-IoT: Desarrollo y transferencia de una plataforma tecnológica escalable, modular y abierta de para la ASADA de Paso Ancho, Oreamuno, Cartago
Rojas Hernández, J. J. (Institutional academic coordinator), Montero Jiménez, J. J. (Institutional academic coordinator) & Esquivel Vargas, H. (Institutional academic coordinator)
1/01/25 → 31/12/26
Project: Internally funded extension projects › Participatory and collaborative action
-
Desarrollo de una plataforma tecnológica escalable y modular para el registro de variables físicas y químicas asociadas a la calidad y abundancia del agua potable
Hernández Alplízar, L. (Institutional academic coordinator), Carrasquilla Batista, A. (Institutional academic collaborator) & Rojas Hernández, J. J. (Institutional academic collaborator)
1/01/25 → 31/12/27
Project: Research Projects Internally funded › Technological Development
-
Mantenimiento predictivo: desarrollo de sistemas de diagnóstico y pronóstico
Montero Jiménez, J. J. (Institutional academic coordinator), Gómez Ramírez, G. (External collaborating researcher ), Rojas Hernández, J. J. (External collaborating researcher ), Vingerhoeds, R. (External collaborating researcher ), Nunez-Mata, O. (External collaborating researcher ) & Meza Benavides, C. (External collaborating researcher )
1/01/24 → 31/12/25
Project: Research Projects Internally funded › Basic and applied research
-
Desarrollo de un plan piloto de digitalización en ASADAS: hacia un mejor aprovechamiento del recurso hídrico mediante la incorporación de sistemas IoT
Hernández, J. J. R. & Montero Jiménez, J. J., 2024Research output: Other contribution › peer-review
-
Project Irazú: Space and Ground Systems Engineering of a 1U CubeSat Store and Forward Mission for Environmental Monitoring
Gomez-Jenkins, M., Calvo-Alvarado, J., Chaves-Jiménez, A., Carvajal-Godínez, J., Martinez, E., Arias, Y., Calvo-Obando, A. J., Jimenez, V., Rojas, J. J., Valverde-Salazar, A. & Ramirez-Molina, J., 2023, In: Transactions of the Japan Society for Aeronautical and Space Sciences. 66, 6, p. 217-225 9 p.Research output: Contribution to journal › Article › peer-review
Open Access1 Scopus citations -
Influence of 3D printing settings on mechanical properties of ABS at room temperature and 77 K
Saenz, F., Otarola, C., Valladares, K. & Rojas, J., Mar 2021, In: Additive Manufacturing. 39, 7 p., 101841.Research output: Contribution to journal › Article › peer-review
43 Scopus citations -
A lean satellite electrical power system with direct energy transfer and bus voltage regulation based on a bi-directional buck converter
Rojas, J. J., Takashi, Y. & Cho, M., Jul 2020, In: Aerospace. 7, 7, 94.Research output: Contribution to journal › Article › peer-review
Open Access13 Scopus citations