Tomas Yepez
Orlando,FL
Summary
Innovative Electrical Engineer and registered Engineer Intern (EI) with expertise in commercial and utility-scale solar PV design and custom hardware development. Excels in fast-paced, collaborative environments, delivering projects from concept to deployment. Combines strong engineering execution in AutoCAD layouts, ETAP power system modeling, and custom PCB design, with a commitment to impactful infrastructure development.
Overview
2
2
years of professional experience
Work History
Electrical Engineer II
Castillo Engineering
Orlando, FL
07.2026 - Current
- Optimized commercial and utility-scale solar photovoltaic systems through precise editing of site plans, single-line diagrams, three-line diagrams, and electrical details using AutoCAD, enhancing design accuracy.
- Executed advanced system modeling in System Advisor Model (SAM) to simulate annual energy production, ensuring accurate sizing parameters for strings and overall solar PV arrays.
- Modeled complete site electrical distribution in ETAP to perform rigorous short-circuit and arc flash analyses, coordinate protective devices, and generate comprehensive compliance reports for direct client delivery.
- Performed electrical calculations in Excel—including string sizing, cable ampacity sizing, full-load amperage, and protection device ratings—while determining compliant installation cabling methods.
Internship
Salas O'Brien
05.2025 - 08.2025
- Analyzed circuit layouts and conductor sizing for optimal efficiency and collaborated with engineers to review results and provide recommendations for design improvements
- Conducted voltage drop calculations for electrical distribution systems, ensuring NEC standards compliance to enhance system reliability
- Reviewed RFIs from legacy projects, verified site changes, and updated engineering drawings to maintain as-built accuracy for future reference
Internship
Salas O'Brien
05.2024 - 08.2024
- Conducted arc flash hazard analyses for NASA buildings, ensuring compliance with NFPA 70E safety standards and enhancing safety protocols
- Produced technical reports detailing analysis results and actionable recommendations for NASA engineers
- Executed cost analysis and developed detailed estimates for demolition and installation of electrical equipment, supporting project planning and budgeting
Education
Bachelor of Science - Electrical Engineering
UNIVERSITY OF CENTRAL FLORIDA
Orlando, FL05-2026
Skills
- Engineer-in-Training Certification, Bilingual (English & Spanish), Microsoft Office, SKM, Bluebeam, AutoCad, System Advisor Model (SAM), ETAP,
Interests
Brazilian Jiu Jitsu, Bodybuilding, Muay Thai, Prospective Real Estate Licensee
Campus/Community Involvement
- UCF MathLaunch, Learning Assistant, 2025-08, 2026-05, Provided one-on-one support for students enrolled in UCF's accelerated MathLaunch program, Guided students through problem solving skills and strategies for College Algebra, Trigonometry, Pre-Calculus, and Calculus 1
- Theta Chi Fraternity, Librarian, 2023-03, 2023-09, Monitored member's academic eligibility by verifying GPA requirements and maintaining accurate records, Supported chapter's mission by establishing a culture of accountability and excellence
- G.I Theta Chi Fraternity Philanthropy Committee, 2023-03, 2023-09, Collaborated with a team that orchestrated fundraising events, raising over $28,000 to donate to the USO, Organized partial proceeds events to directly contribute to money donated
Timeline
Electrical Engineer II
Castillo Engineering
07.2026 - Current
Internship
Salas O'Brien
05.2025 - 08.2025
Internship
Salas O'Brien
05.2024 - 08.2024
Bachelor of Science - Electrical Engineering
UNIVERSITY OF CENTRAL FLORIDA