Cyber security engineer β incident response, malware analysis, and applied AI/ML.
ROK Air Force β Cyber Operations
- Cyber incident response (digital forensics & investigation)
- Malware analysis β static binary analysis & dynamic (runtime) analysis
- SW security inspection (secure coding, code quality, architecture review)
- Information system vulnerability assessment
- Administrative security inspection
- Machine learning for signal processing
- Semi-supervised indoor localization
- AI/ML β with a focus on local (on-premise) LLM applications
- Cyber security
- Reverse engineering
- Digital forensics
- Secure programming
1. Introducing Agile practices & driving organizational culture change Β Β·Β 2025. 01 ~ 2026. 06
- Built and deployed an on-premise Mattermost collaboration platform end-to-end as a sole contributor β infrastructure design, deployment, and operation
- Developed workflow automation bots and established a ChatOps environment on top of it
- Led the transition of internal work processes to Agile practices, and drove the accompanying organizational culture improvement
2. TF Lead β Local LLM-based cyber threat response system Β Β·Β 2026. 09 ~ Present
- Defined and validated use cases for applying local LLMs across cyber threat response workflows (investigation & analysis, security monitoring)
- Designed and developed an automated analysis framework for forensic evidence artifacts, powered by a locally hosted LLM
- 2020. 09 ~ 2020. 12 β μμ£Όλνκ΅ / μΉ λ³΄κ³ λ±νκ΅ λμ SW μ½λ© κ΅μ‘ λ΄μ¬ (SW coding teaching volunteer)
- 2022. 03 ~ 2022. 06 β μμ£Όλνκ΅ γκ°μ²΄μ§ν₯νλ‘κ·Έλλ° λ° μ€μ΅γ μ€μ΅ μ‘°κ΅ (TA, OOP & Practice) β μ€μ΅ μμ μ§ν, κ³Όμ λ° μνλ¬Έμ μΆμ
- 2022. 09 ~ 2022. 12 β μμ£Όλνκ΅ γμ»΄ν¨ν°νλ‘κ·Έλλ° λ° μ€μ΅γ μ€μ΅ μ‘°κ΅ (TA, Computer Programming in C & Practice) β μ€μ΅ μμ μ§ν, κ³Όμ λ° μνλ¬Έμ μΆμ
- Low-level & systems programming
- Vanilla Java programming
- RTL-SDR
- Amateur radio (HAM)
- Saltwater surf lure fishing
- Camping β caravan (Lunar Quasar 544)





