Alexis Hernandez Email & Phone Number

Redding, California, United States

● Designed, developed, and led the assembly/construction of a custom high-voltage power panel for a $500K+ test bench system for next generation of semiconductor fab equipment, ensuring integration of electrical and mechanical components in compliance with relevant industry safety standards and regulations.● Designed, developed, and modified electrical hardware systems, achieving an increase in system reliability by utilizing advanced design techniques and CAD tools such as SolidWorks and… Show more ● Designed, developed, and led the assembly/construction of a custom high-voltage power panel for a $500K+ test bench system for next generation of semiconductor fab equipment, ensuring integration of electrical and mechanical components in compliance with relevant industry safety standards and regulations.● Designed, developed, and modified electrical hardware systems, achieving an increase in system reliability by utilizing advanced design techniques and CAD tools such as SolidWorks and AutoCAD.● Achieved compliance with UL508A and NEC standards by meticulously selecting and integrating appropriate components, including relays, sensors, and PLCs, ensuring adherence to safety and regulatory requirements.● Developed comprehensive electrical schematics and systems based on requirements, leading to a 15% reduction in development time through efficient design methodologies.● Hands-on experience in electronic circuit design (analog and digital), development, and associated electrical board design, troubleshooting, and validation.● Agile software development of a PC-based controls system for a semiconductor fab test bench. Used structured text to develop code in TwinCAT 3.1 for a Beckhoff IPC to control and automate semiconductor processes within a closed-loop system. Developed program to run/execute user-specified recipes, control devices in manual mode via an HMI, and perform real-time data-acquisition of digital and analog IO peripherals. Concurrently, designed and developed the HMI for this controls system in TwinCAT which required implementation of advanced data-binding methods, custom user controls, and custom JavaScript functions.● Refactoring of critical device control modules such as structures, function blocks, and methods to improve code readability, reusability, and reduce complexities, leading to more robust and efficient PC-based controls system. Show less

Redding, California, United States

● Led the development of a custom serial communications converter, involving both hardware and software components resulting in a seamless integration of new temperature controllers with existing systems. My role included spec’ing out an off-the-shelf PLC/controller that met electrical/mechanical fit and function and developing custom software to convert serial RS232 to RS485 and perform necessary data conversions using Modbus RTU, ensuring it was plug-and-play and backwards compatible.●… Show more ● Led the development of a custom serial communications converter, involving both hardware and software components resulting in a seamless integration of new temperature controllers with existing systems. My role included spec’ing out an off-the-shelf PLC/controller that met electrical/mechanical fit and function and developing custom software to convert serial RS232 to RS485 and perform necessary data conversions using Modbus RTU, ensuring it was plug-and-play and backwards compatible.● Developed a comprehensive software test plan/documentation for automated/manual testing, unit testing, and white box & black box testing to verify & validate system functionality and ensure the delivery of a high-quality, fully functional, and reliable solution.● Proficient in power panel electrical circuit design with safety interlocks and 3-phase load analysis.● Experience with capital equipment and electrical control/power box design, contributing to successful sub-system/module design projects in process industries.● Collaborated with multidisciplinary engineering design teams to design and modify custom electrical equipment and control panel components.● Optimized the selection of components and materials for power distribution box/control panel design by maintaining a close relationship with electrical/mechanical suppliers and manufacturing services providers. This approach ensured optimal performance, reliability, and compliance with industry standards, resulting in a 10% cost reduction in design and parts procurement/selection time. Show less

Redding, California, United States

● Assembled and wired UL control panels adhering to precise design drawings, achieving a consistent quality standard across all units by rigorously following CAD specifications and bill of materials.● Collaborated closely with engineers and stakeholders to meet build requirements, ensuring seamless communication and timely completion of projects, contributing to an increase in project delivery speed.● Successfully commissioned onsite electrical and mechanical systems—including sensors… Show more ● Assembled and wired UL control panels adhering to precise design drawings, achieving a consistent quality standard across all units by rigorously following CAD specifications and bill of materials.● Collaborated closely with engineers and stakeholders to meet build requirements, ensuring seamless communication and timely completion of projects, contributing to an increase in project delivery speed.● Successfully commissioned onsite electrical and mechanical systems—including sensors, HMIs, PLCs, and motors—enhancing system performance and reducing startup time by 25% Show less

Provided academic assistance for undergraduate students in the mechanical engineering discipline to acquire a better understanding of targeted weak areas within a subject. Helped students in their understanding of engineering concepts and ideas in subjects ranging from control systems theory to strength of materials

Stanford, Ca

The Capstone Design Project is a two-semester, team based experience where I collaborated with a team of engineering students to design, build and test a solution to an externally-sponsored problem. This process included: - Defining the problem and scope of work- Conceptualizing and modeling potential solutions- Developing and analyzing the detailed design- Building a functional prototype- Testing to verify performance- Develop extensive documentation about… Show more The Capstone Design Project is a two-semester, team based experience where I collaborated with a team of engineering students to design, build and test a solution to an externally-sponsored problem. This process included: - Defining the problem and scope of work- Conceptualizing and modeling potential solutions- Developing and analyzing the detailed design- Building a functional prototype- Testing to verify performance- Develop extensive documentation about our process and results- Present results at the on-campus engineering expo and to the department facultyOur team's outstanding execution of this project led to our department awarding us the MMEM Capstone Design Program Outstanding Project Award for 2019 - 2020 Show less

Portland, Oregon

Project 1 - Inner Wiper Seal Study and InvestigationInvestigated high seal drag force on current production door inner wiper seal to identify and isolate key disproportionate system. Performed physical testing on the isolated system to obtain quantitative seal drag force values whose results showed that the inner wiper seal was contributing half of the determined drag force on the system. Results achieved in the investigation recommended material changes for prototyping which were… Show more Project 1 - Inner Wiper Seal Study and InvestigationInvestigated high seal drag force on current production door inner wiper seal to identify and isolate key disproportionate system. Performed physical testing on the isolated system to obtain quantitative seal drag force values whose results showed that the inner wiper seal was contributing half of the determined drag force on the system. Results achieved in the investigation recommended material changes for prototyping which were implemented by the door systems team. Project 2 - Door Brace Reinforcement OptimizationUsed CAD tools and engineering principles to create concept parts to optimize current door outer bracing. Conceptualized door outer panel braces that were refined in the iterative design process to meet engineering design requirements. Performed design analysis (FEA) on concept parts to compare composites strength and stiffness results to current production outer bracing. Show less

Chico, California Area

Graded weekly assignments from more than 70 students. Used knowledge of course subject (strength of materials) to grade coursework thoroughly and within the allotted time.

Chico, California

Applied knowledge learned on DNA origami nanostructure assembly to build three-dimensional nanostructures via a nanotechnology simulation software, CadNano. Performed finite element analysis on built structures, with potential future drug delivery systems applications in the medical field, to assess their structural stability utilizing CanDo, a compatible simulation program. Presented research work at the 33rd Annual Student Research Competition at CSU, Chico.

Chico, California

Utilized nanotechnology simulation software to study the interatomic thermal behavior of crystal structures. Applied theory learned in the classroom to generate thermodynamic data on the molecular dynamic structures of Silicon (Si) and Silicon Dioxide (SiO2). Maintained and fostered effective communication with research colleague and faculty advisor to produce desired results.

Delano, Ca

Applied problem-solving skills to successfully complete required tasks and meet project deadlines which included hands-on tasks that involved assembling and disassembling auto body components to inspect their condition for possible repairing. Maintained communication with co-workers and employer to perform tasks exceptionally well. Utilized fluent Spanish language to translate and improve customer service.