[01]
High-Voltage Abuse Testing
High-voltage system and component testing for Cybertruck, Optimus, M3/Y, Semi, and other programs, plus the test systems behind it.
Hello there, I’m a
mechanical engineer
with full-stack experience
in high-voltage batteries &
energy-storage systems.
Jay Chung — Portfolio
Background
Battery engineer with 2 years of experience
across multiple major OEMs.
-
$GM 2026
General Motors
Battery Cell Development Test Engineer
Warren, MI
Current role — work in progress.
-
$TSLA 2025
Tesla
High-Voltage Abuse Test Engineer
Fremont, CA
Designed, executed, and analyzed high-voltage system and component testing for Cybertruck, Optimus, M3/Y, Semi, and other unannounced programs. Built test systems to increase the safety and efficiency of test procedures.
-
$STLA 2024
Stellantis
BMS Software Release Engineer
Auburn Hills, MI
Investigated and resolved BMS software and battery hardware issues, supported integration testing, validated DTC matrices, and performed HIL testing for releases.
Projects
[02]
BMS Software Release
Resolved BMS software and battery hardware issues, validated DTC matrices, and ran HIL testing across releases.
[03]
Electrolyte Quantification
Reading an ultrasonic cell scan was a judgment call. A MATLAB script segments the scan with K-means and turns it into a percentage.
View project
Projects
01 — 03
Voltage Regulator PCB
[04]A small 5V to 3.3V regulator board, designed in KiCad and hand-soldered.
View project
Telecaster CAD Model
[05]A full Telecaster assembly in SolidWorks, with an exploded view and bill of materials.
View project
Magic Mouse CAD Model
[06]Modeling one continuous surface with no flat faces, using surfacing tools instead of extrudes.
View project
Modal Analysis
[07]Finding the natural frequencies and mode shapes of an airfoil in Ansys, then checking a flat plate of the same volume against it.
View project
Wind Turbine BEM Model
[08]A blade element momentum model of a 100 m rotor in MATLAB, solving 500 annular rings for power and power coefficient.
View project
Simulink System Models
[09]Block diagram models of three dynamic systems — a moving iron transducer, a DC shunt motor under load, and an inverted pendulum.
View project
About
Mechanical engineer
I graduated from The Ohio State University with a Bachelor's in Mechanical Engineering and a minor in Computer Science. Passionate about building things that don't exist yet.
Contact
Let's build
something.
Open to collaboration, roles, and interesting problems. Email me and I'll respond soon.