People and story
Built from MSP escalations, not slide templates
Tech SysCode began when three escalation engineers kept rewriting the same sticky-note diagrams for clients across Gyeongsangbuk-do. We formalized the rituals: paper first, evidence second, humor only after the outage is contained.
Principles we defend
- Evidence over bravado: If it is not logged, it did not happen.
- Rotation respect: Quiet-hour scheduling beats hero culture.
- Documentation debt: We grade runbooks, not personalities.
- Honest scope: We say when a topic needs a vendor specialist instead.
Milestones that actually changed the curriculum
2019
First pop-up rack in Gyeongju
Borrowed air conditioning from a ceramics studio; learned humidity lessons the hard way.
2022
Mentor rotation agreement
Four partner desks agreed to loan engineers one week per quarter—keeps stories fresh.
2025
Quiet-hours intake form
Night-shift pods can request 21:00 starts without a sales call—just a calendar check.
Team roster
Fourteen people across instruction, curriculum, mentoring, and student advising.
Haneul Park
Lead instructor
Builds service triage labs from real MSP tickets.
Leo Han
Curriculum lead
Owns logging and retention syllabi.
Sora Kim
Mentor engineer
SSH and access reviews.
Noah Choi
Mentor engineer
Timers, cron migration stories.
Mira Lee
Instructor
Disk health and vendor evidence.
Junu Baek
Instructor
Network namespaces and firewalld.
Yuri Song
Instructor
Mail operations and queue triage.
Kai Nam
Curriculum lead
Monitoring signal quality.
Sol Min
Mentor engineer
Backup drills and tabletops.
Eunbi Ko
Instructor
ACL patterns and documentation.
Rowan Jeong
Instructor
Nginx upstreams and canaries.
Ara Shin
Mentor engineer
Package pinning and conflicts.
Teo Kang
Lead instructor
Incident bridges and rotations.
Nari Oh
Student advisor
Schedules cohorts and quiet hours.