2020.05 — 2021.11
InfoSec Specialist (Specialist Conscript)
Republic of Korea Army
Cyber Defense Division of an Army corps-level unit
Served approximately 18 months as an InfoSec Specialist in the ROK Army. Performed security monitoring, infrastructure operations, and automation development in a completely air-gapped environment. The experience of problem-solving under constrained conditions became a foundation for understanding on-premise environments later in my career.
Specific network architecture, detailed automation implementations, and operational procedures cannot be disclosed due to military confidentiality.
4
Official Recognitions
Torch Award, Contest Grand Prize, Early Promotion, Commander Commendation
18mo
Service Period
2020.05 — 2021.11
4.5mo
Squad Leader
Organizational leadership role
Air-gapped
stdlib only
Built with standard library only — no external packages
Responsibilities
Selected and served as InfoSec Specialist (MOS 175104) in the ROK Army
Supported corps-level security monitoring and infrastructure operations in the Cyber Defense Division
Managed internal network servers, UTM monitoring, and security log analysis
Developed automation programs to reduce repetitive tasks — built within air-gapped constraints without external packages
Analyzed repetitive manual processes in security monitoring and infrastructure operations, identifying areas for automation
Service Timeline
2020-05-18
Enlisted, selected as InfoSec Specialist (MOS 175104)
2020-07-16
InfoSec Class 5 Top Performer Award (Torch Award)
2020-09-29
Army Core Values Contest (Poster category) Grand Prize
2020-12-01
Early promotion to Corporal
2021-04-16
Appointed as Squad Leader
2021-08-31
Squad Leader assignment ended
2021-11-21
Discharged
2025-11-19
Cyber Operations Command Commendation (Reserve Forces contribution)
Connection to Later Career
Air-gapped Operations
Background for naturally understanding environment constraints when managing AICA H100 infrastructure and on-prem deployments at BHSN
Automation Mindset
Habit of identifying and automating repetitive tasks carried over to playbook release workflows, daily scrum automation, and CI/CD pipeline design
Security Awareness
Practical security monitoring and log analysis experience became the foundation for observability design like token usage tracking and Sentry-based operational monitoring
Procedure-Based Operations
Military's strict procedures translated to production AI system rollout processes, QA/prod separation, and workspace-aware deployment rules
Skills Demonstrated
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