Sabrina Yepez Email & Phone Number

Orlando, Fl, Us

Orlando, Florida, United States

Orlando, Florida, United States

Provided assistance with basic redesign and development of mechanical, electrical, show, and ride controls and software systemsLearned safety systems for ride controls and gained experience in interfacing with vendorsGained fundamental skills in electrical and mechanical engineeringAssisted with documentation and engineering calculationsParticipated in factory acceptance testing and site acceptance testingAssisted with troubleshooting and fault analysisManaged vendors and participated in basic project management tasksFollowed established UO policy and procedures for environmental, health & safety responsibilitiesPerformed other duties as assigned

Daytona Beach, Florida, United States

Conducting a research study on a 3D printed phased antenna array for the U.S. Army. Currently awaiting proposal approval.

Lutz, Florida, United States

Designed an all-in-one Power Distribution Unit (PDU) for flight simulator control loaders, suitable for repeated and commercial use.Updated previous electrical power designs to ensure compatibility with the latest systems and technology.Worked on system integration of newly designed sub-systems to ensure smooth and efficient operation.Led root-cause analysis on system defects, and communicated options and recommendations for various solutions to stakeholders.Worked collaboratively with cross-functional teams including software engineers, mechanical engineers, and project managers to deliver high-quality results on time and within budget.Conducted testing and validation of newly developed electrical designs to ensure adherence to safety standards and compliance with regulatory requirements.Developed and maintained project documentation such as requirements, design specifications, and test plans to support project completion and future maintenance.Contributed to continuous improvement initiatives through design optimization, process improvement, and knowledge sharing with team members.Demonstrated proficiency in electrical and computer engineering principles, as well as software and hardware design and development.

Daytona Beach, Florida, United States

Partnered with industry leaders, including Intuitive Machines, NASA, Arrow, Aerojet Rocketdyne Foundation, and the Air Force Research Laboratory, to develop the EagleCam project for capturing a third-person perspective of the Nova-C lunar lander.Developed the power and communication subsystems for the EagleCam project.Designed and developed two power conditioning PCBs using EAGLE software, with a focus on achieving optimal power efficiency and reliability.Managed the manufacturing process of the power conditioning PCBs, including the import of gerber files onto an LPKF micromachining U4 laser, assembly, testing, and integration with the rest of the system.Designed and developed six antennas for the communication subsystem, consisting of two transmission antennas and four receiving antennas operating in the 5.5 - 5.85 GHz frequency range.Manufactured the communication subsystem antennas using the LPKF micromachining U4 laser, and conducted testing and validation using a Keysight ENA Series Network Analyzer.Collaborated closely with cross-functional teams, including mechanical engineers, software engineers, and project managers, to deliver the EagleCam project on time and within budget.Maintained accurate project documentation, including design specifications, testing protocols, and progress reports, to facilitate effective communication with stakeholders.Demonstrated technical proficiency in electrical and computer engineering principles, including hardware design and development, power management, and communication systems.

Daytona Beach, Florida, United States

Conducted research on radiation shielding effectiveness of a 3-D printed two-layer couple-fed microstrip antenna among various materials.Developed and executed a low-cost radiation testing methodology to quantify the absorbed ionizing radiation of sample materials under a 1 uCi radioactive disk of Cobalt-60.Discovered that Onyx, an additive manufacturing material, provides significant protection from ionizing radiation, thus it can be utilized for in-space antenna manufacturing.Co-authored a research paper detailing the experiment and findings, and submitted it to the IEEE WAMICON 2021 conference.

Daytona Beach, Florida, United States

Developed a cybersecurity system for RF Fingerprinting authentication.Collected raw IQ data from various wireless devices, and extracted different features from that data.Developed a machine learning program on Python that learned the "fingerprint" of each device based on the extracted features.Stored each fingerprint into a database for future reference.Verified the authentication of each device attempting to enter the network by comparing its fingerprint to the database.

Norwich, Ny

Collaborated with experienced engineers on various projects at GE, including programming a new laser weld schedule, developing a computer program to digitalize mechanical and electrical test data, and increasing productivity on the machine shop floor by implementing a new Lean floor layout.Developed a strong understanding of project organization and management through working with established professionals in the field.Gained valuable skills in public speaking by presenting project updates and results to senior management and project teams.Demonstrated a strong work ethic in completing projects in a timely and efficient manner.Acquired leadership skills and became a valuable team member through working on diverse and challenging projects at GE.