Postdoctoral Associate, UMass Lowell
SaeyoungKim
- Systems Engineer
- Hardware Integration & Test
- Mechanical & Electrical
Systems engineer with 9+ years across electrical, mechanical, and software domains. Built and tested satellite flight hardware, embedded sensor systems, and automated test infrastructure. Looking for hands-on roles in hardware integration, test engineering, or systems engineering.
- Years across electrical, mechanical and software
- 9+
- Peer-reviewed publications
- 9
- First-author papers
- 3
- Research grant secured for a CubeSat payload
- $220K
Skills
Systems Engineering
- Requirements ManagementDecomposition, traceability, V&V planning
- System IntegrationCross-discipline interface management, satellite AIT
- Test PlanningIST, ETB procedures, acceptance criteria, anomaly resolution
- EGSE DesignAutomated test infrastructure for hardware validation
Test & Validation
- Functional / Environmental TestingElectrical, thermal, mechanical domains
- Root Cause AnalysisSystem-level anomaly diagnosis and corrective actions
- Test AutomationPython-based DAQ pipelines, SPC, automated anomaly detection
- Test Fixture DevelopmentCustom jigs, EGSE stations, instrumentation setups
Electronics & Hardware
- Circuit DesignAnalog front ends, power distribution, sensor interfaces
- PCB Layout4-layer boards, KiCad, schematic capture through fabrication
- Soldering & AssemblySMD rework, through-hole, reflow, PCB bring-up
- Embedded SensorsElectrochemical, optical, temperature, pressure
Mechanical Design & Fabrication
- SolidWorksAssemblies, GD&T, drawings for fabrication
- Fusion360 / AutoCADRapid prototyping, parametric design, 2D drafting
- 3D Printing / CNCFDM, SLA prototyping, fixture and enclosure fabrication
- Cleanroom FabricationThin-film deposition, photolithography, wet/dry etching
Software & Automation
- PythonData pipelines, test automation, process modeling, GUI applications
- C/C++MCU firmware, STM32, ESP32, real-time data acquisition
- MATLABSignal processing, simulation, data analysis
- Git / Linux / DockerVersion control, scripting, containerized deployment
Instrumentation & Lab Equipment
- Oscilloscopes & DMMsSignal characterization, bench-level debug
- Power Supplies & Electronic LoadsHardware validation, stress testing
- DAQ SystemsMulti-channel data acquisition, sensor interfaces
- Communication ProtocolsSPI, I2C, UART, CAN, Ethernet
Experience
Jul 2025 — Present
Lowell, MA
Postdoctoral Associate
University of Massachusetts Lowell
- 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
Feb 2024 — May 2025
Seoul, South Korea
Systems Integration Engineer
Hanwha Systems
- 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
Selected work
Fleet-Coord
2026Decentralized coordination for humanoid robot teams. Two simulated Unitree G1 robots learn cooperative lifting using verbal cues and force feedback, no central controller or wireless protocol required.
- Reinforcement Learning
- Multi-Agent
- MuJoCo
- Robotics
- PyTorch
DAEMON
2025Multi-agent LLM system coupled with mechanistic ODE simulations for autonomous scientific discovery. Agents explore parameter spaces on digital twins and produce human-readable hypotheses with Bayesian evidence tracking.
- AI Agents
- Scientific Discovery
- Simulation
- Python
Manifest Labor
2025Multi-modal motion capture pipeline for skilled trade demonstrations, structured for humanoid robot training. Targeting the gap between lab-demo training data and real-world construction work.
- Robotics
- Motion Capture
- ML Data
- Construction
AMBIC Data Platform
2025Full-stack web platform for biomanufacturing data: ingestion, normalization, visualization, and sharing across research teams. Handles life-critical data with provenance tracking and granular access control.
- Data Platform
- React
- Supabase
- Biomanufacturing
Lyophilization Mechanistic Model
2025First-principles ODE simulator for freeze-drying LNP/mRNA formulations. Nine coupled state variables across four process phases, with a batch driver that generates synthetic datasets for MSPC and ML pipelines.
- Simulation
- ODE Modeling
- Biopharma
- Python
CubeSat Bio-Payload
2023Dual electrochemical/optical sensor system for monitoring microorganism growth aboard a CubeSat. 27-well array, 81 electrodes, 4-board computer stack, pressure vessel, fluidic system. PhD dissertation, Korea University.
- Hardware
- PCB Design
- Spacecraft
- Sensors
- Firmware
Education
Mar 2017 — Feb 2024
Seoul, South Korea
PhD, Electrical Engineering
Korea University
- 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)
Mar 2013 — Feb 2017
Seoul, South Korea
BSc, Mechanical Engineering
Konkuk University
- Coursework in mechanics, dynamics, thermodynamics, fluid mechanics, materials science, and machine design
- Hands-on research in sensor fabrication, hardware prototyping, and precision measurement
Publications
- 2026First author:Digital Twins in Lyophilization: Advances in Pharmaceutical Process Development and OptimizationBiotechnology AdvancesIn press
- 2024Investigation of thermal management strategies for biological CubeSat payloadsActa AstronauticaDOI
- 2024First author:Multi-Modal Multi-Array Electrochemical and Optical Sensor Suite for a Biological CubeSat PayloadMDPI SensorsDOI
- 2022A Performance Improvement of Enzyme-Based Electrochemical Lactate Sensor Fabricated by Electroplating Novel PdCu Mediator on a Laser Induced Graphene ElectrodeBioelectrochemistryDOI
- 2022First author:A pH Sensing Pipette for Cross-Contamination Prevention in Industrial FermentationIEEE Transactions on Industrial ElectronicsDOI
- 2022Room-Temperature Solution Processed Sharp-Edged NanoshapesChemical Engineering JournalDOI
- 2022Simple Laser-Induced Graphene Fiber Electrode Fabrication for High-Performance Heavy-Metal SensingMicrochemical JournalDOI
- 2020Conduction Mechanism and Synaptic Behaviour of Interfacial Switching AlO-based RRAMSemiconductor Science and TechnologyDOI
- 2020Development of Multi-Well-Based Electrochemical Dissolved Oxygen Sensor ArraySensors and Actuators B: ChemicalDOI
Open to hardware integration, test and systems engineering roles.