Republic of Korea Army - Tactical C4I Maintenance & Operation
Sep 09, 2024 - Mar 08, 2026

Role: ICT Infrastructure & Systems Specialist

Currently fulfilling mandatory military service with a specialization in mission-critical network systems. I am responsible for the operation and maintenance of the Tactical C4I (Command, Control, Communication, Computer, and Intelligence) infrastructure, specifically the ATCIS (Army Tactical Command Information System).

Key Responsibilities:

  • Network Administration: Maintaining high-availability secure internal networks (Intranet) and troubleshooting hardware/software failures in a high-security environment.
  • System Maintenance: Managing server hardware and communication terminals to ensure 24/7 operational readiness during tactical exercises.
  • Crisis Management: Developing resilience and rapid problem-solving skills by maintaining communication links under simulated combat pressure.