Experience

Postdoctoral Associate

Jul 2025 — Present

University of Massachusetts Lowell · Lowell, MA

  • Developed system-level digital twin framework integrating physics-based modeling with statistical process control
  • Designed and executed test plans for pharmaceutical manufacturing systems, validating 100+ production batches
  • Built Python-based test automation tools replacing commercial platforms for reproducible process development
  • Led root cause analysis on process failures; developed corrective action protocols and revalidation procedures
  • Defined system requirements and coordinated deliverables across engineering and research stakeholders

Systems Integration Engineer

Feb 2024 — May 2025

Hanwha Systems · Seoul, South Korea

  • Led systems engineering and integration for military SAR satellite programs across EM/QM/FM test campaigns
  • Worked across electrical, mechanical, and software interfaces; tracked requirements and interface dependencies
  • Designed EGSE architecture and test fixtures for subsystem and system-level hardware validation
  • Executed functional, environmental, and performance testing across multiple technical domains
  • Led troubleshooting and root cause analysis on system-level anomalies during integration test campaigns
  • Contributed to facility architecture planning for a high-throughput satellite production line

Education

PhD, Electrical Engineering

Mar 2017 — Feb 2024

Korea University · Seoul, South Korea

  • CubeSat payload systems engineering: concept of operations through flight-ready hardware
  • Secured and managed $220K research grant for CubeSat biological payload development
  • Designed and built multi-sensor hardware systems through full cycle: CAD, circuit/PCB design, cleanroom fabrication, mechanical assembly, system-level qualification
  • Developed MCU firmware in C/C++ for real-time data acquisition and autonomous operation
  • Diagnosed cross-domain failures (mechanical, electrical, firmware) and drove fixes through multiple revision cycles
  • Published 3 first-author SCI papers (cumulative IF: 17.4)

BSc, Mechanical Engineering

Mar 2013 — Feb 2017

Konkuk University · Seoul, South Korea

  • Coursework in mechanics, dynamics, thermodynamics, fluid mechanics, materials science, and machine design
  • Hands-on research in sensor fabrication, hardware prototyping, and precision measurement

Technical Skills

DomainTools & Technologies
SystemsRequirements Management, V&V, AIT, Interface Management, Test Planning
TestingFunctional/Environmental Testing, Root Cause Analysis, SPC, Test Automation
ElectronicsCircuit Design, PCB Layout, System Integration, Soldering
MechanicalSolidWorks, Fusion360, AutoCAD, 3D Printing, CNC, DFM
SoftwarePython, C/C++, MATLAB, Git, Linux, Docker
InstrumentationOscilloscopes, DAQ Systems, Power Supplies, DMMs, Sensors

Publications

  1. Saeyoung Kim, Jaewon Lee, Kimia Babaei, Seonkgyu Yoon

    Digital Twins in Lyophilization: Advances in Pharmaceutical Process Development and Optimization

    Biotechnology Advances, 2026

  2. Jinhwee Kil, Saeyoung Kim, James Jungho Pak

    Investigation of thermal management strategies for biological CubeSat payloads

    Acta Astronautica, 2024 · DOI

  3. Kim, S.; Park, S.; Pak, J.J.

    Multi-Modal Multi-Array Electrochemical and Optical Sensor Suite for a Biological CubeSat Payload

    MDPI Sensors, 2024 · DOI

  4. Ji-Hoon Han, Sang Hyun Park, Saeyoung Kim, James Jungho Pak

    A Performance Improvement of Enzyme-Based Electrochemical Lactate Sensor Fabricated by Electroplating Novel PdCu Mediator on a Laser Induced Graphene Electrode

    Bioelectrochemistry, 2022 · DOI

  5. Saeyoung Kim, Ji-Hoon Han, Beelee Chua, James Jungho Pak

    A pH Sensing Pipette for Cross-Contamination Prevention in Industrial Fermentation

    IEEE Transactions on Industrial Electronics, 2022 · DOI

  6. S.D. Raut, N.M. Shinde, B.G. Ghule, S. Kim, J.J. Pak, Q. Xia, R.S. Mane

    Room-Temperature Solution Processed Sharp-Edged Nanoshapes

    Chemical Engineering Journal, 2022 · DOI

  7. S.E. Jeong, S. Kim, J.H. Han, J. Jungho Pak

    Simple Laser-Induced Graphene Fiber Electrode Fabrication for High-Performance Heavy-Metal Sensing

    Microchemical Journal, 2022 · DOI

  8. Sanghoon Cho, Jungmo Jung, Saeyoung Kim, James Pak

    Conduction Mechanism and Synaptic Behaviour of Interfacial Switching AlO-based RRAM

    Semiconductor Science and Technology, 2020 · DOI

  9. Ji-Hoon Han, Saeyoung Kim, Jaesung Choi, Sora Kang, Youngmi Kim Pak, James Jungho Pak

    Development of Multi-Well-Based Electrochemical Dissolved Oxygen Sensor Array

    Sensors and Actuators B: Chemical, 2020 · DOI