Experience

Cloud Security Engineering Programme

Jan 2025 – Jul 2025

Completed an intensive government-funded training programme focused on cloud security and infrastructure engineering.

1. On-premise infrastructure design and management (network configuration, OS management, web service implementation, database management)
2. Public cloud utilisation (AWS fundamentals, networking and computing with core services, scalable and highly available architecture)
3. Infrastructure and application security management (network and application security, threat management with security solutions)
4. Public cloud security engineering (cloud account security, infrastructure security automation, security service integration)
5. High availability architecture design and fault tolerance on public cloud
6. Infrastructure security management with penetration testing and integrated threat analysis
7. XDR-based real-time threat detection and response in cloud environments

J English Zone

Jul 2020 – Jan 2025

Assistant Teacher

1. Learning Management
- Identified inefficiencies in the monthly vocabulary score reporting system and independently developed an Excel-based management template, which was later adopted across the academy.
- Marked vocabulary tests for students from primary to high school, providing immediate feedback to support consistent study habits.
- Assisted with large-scale exam periods, offering explanations and summaries of key concepts to improve understanding and academic performance.

2. Learning Materials Production
- Produced and distributed vocabulary booklets and test papers to improve efficiency and standardisation of teaching resources.

3. Substitute Teaching and Student Supervision
- Actively led substitute classes during teacher absences to ensure continuity in students’ learning experience.

Exchange Student

Aug 2022 – Mar 2023

Julius-Maximilians-Universität Würzburg (Germany)

Dongtan Eduplus

Dec 2018 – Oct 2019

Teacher

1. Personalised Education and Multi-subject Tutoring
- Taught mathematics, essay writing and Korean history to middle and high school students.
- Conducted small-group tutoring in a self-directed learning environment.
- Created customised review questions and provided individualised feedback to maximise learning outcomes.
- Supported students in solving subject-related queries across different academic areas.

2. Academic Evaluation and Progress Tracking
- Created and reviewed monthly evaluation questions to maintain high-quality assessments.
- Recorded and tracked student progress after each lesson to support structured learning plans.

3. Close Student Support and Communication
- Conducted regular learning and personal consultations with students to support both academic and emotional development.
- Collaborated with the head instructor to develop tailored learning strategies for each student.

4. Learning Environment Management
- Encouraged self-directed learning in the classroom to enhance student concentration and motivation.