Security Operations Automation, ROK Army
Developed security monitoring, infrastructure operations, and task automation programs in air-gapped environments as an InfoSec specialist in the Republic of Korea Army.
Overview
Served 18 months as an Information Security Specialist (MOS 175104) in the Cyber Defense Division of a corps-level unit of the Republic of Korea Army. Managed intranet servers, UTM monitoring, and security log analysis in an air-gapped environment, and independently developed tools to automate repetitive tasks.
Key Achievements
- Operated intranet servers and managed base infrastructure systems in an air-gapped environment
- Monitored Unified Threat Management (UTM) equipment and maintained security devices
- Performed security log collection and analysis
- Built automation tools from scratch using only standard libraries (no external packages)
- Torch Award for Excellence in Information Security, Class 5 (Jul 2020)
- Grand Prize in Army Core Values Contest, Poster Division (Sep 2020)
- Early promotion to Corporal (Dec 2020)
- Appointed Squad Leader (Apr 2021 – Aug 2021)
- Commendation from the Cyber Operations Command Commander (2025)
Technical Approach
- Developed automation tools using only standard libraries, as the air-gapped environment prohibited installation of external libraries or packages
- Collected UTM equipment log data and detected anomalies through pattern analysis
- Improved operational efficiency by automating repetitive security inspections and reporting tasks
- Completed Information Security training curriculum
- Detailed technical procedures are restricted due to military classification
Career Connection
Experience with integrated security operations, base infrastructure management, information security, procedure-based operations, and automation in constrained environments carried forward as a systems-level perspective in subsequent model serving, workflow, and production AI system operations.
Tech Stack
Security Ops, UTM, Infrastructure, Python