Junho Lee
Support Engineer
Seoul
Summary
Currently working as a Support & Integration Engineer who has been in chare of establishment and operation, troubleshooting on-premise cluster based on Kubernetes and Openstack in Telecom project (from 2019)
Overview
5
5
years of professional experience
6
6
years of post-secondary education
4
4
Certifications
Work History
Suuport Engginer
Ericsson-LG
11.2021 - Current
- Establishing and operating on-premise cloud native infrastructure which following ETSI & 3GPP standard such as Openstack, Kubernetes, VM Orchestrator and underlay network in customer IDC.
- Provide 24/7 technical support and troubleshoot on-premise cloud native infrastructure on customer datacenter.
- Handling known issue history and managing risks of commercial environment for cloud scope. Especially, deciding whether it's critical or not, and negotiating with customer how we will apply workaround.
- Collaborating with application engineer for product Development Verification Test and re-producing issues including various technical domain such as OS, network, storage.
System Engineer
Mobigen
06.2021 - 10.2021
- Delivery containerized bigdata solution based on on-premise Kubernetes.
- Maintaining and operating, troubleshooting internal system such as VPN, UTM, NAS, Switch & Router and Openstack.
- Establishing switch traffic monitoring and container logging system with Zabbix
Network Engineer
ETech System
09.2019 - 05.2021
- Regression and performance test for integrating and for delivering LTE/5G core gateway.
- 24/7 support commercial product troubleshooting and maintenance
- Provide initial action and analysis of customer commercial service issues and then escalating case.
- Provide Proof of Concept for virtual machine auto-scaling feature based Python
- Implement simple system statistics pipeline with Python and Excel.
Education
Bachelor of Science - Coumputer Engineering
Bachelor's Degree Examination For Self-Education
Seoul, South Korea 06.2019 - 02.2022
No Degree - Network Engineering
Korean Technology Education Vocational Academy
Busan, South Korea 01.2019 - 06.2019
No Degree - Practical Music
Kosin Univ., South Korea
Busan, South Korea 03.2015 - 06.2018
Skills
Linux, Kubernetes, Openstack, VMware ESXi
Virtualization, TCP/IP, L2/L3 Networking, VLXN, LTE/5G Core, MANO
TLS/SSL, NTP, DNS, iSCSI, LDAP, NAT
Python, Shell scpripting
Wireshark, Jira & Confluence, Landslide
Certification
Certified Kubernetes Administrator(CKA), CNCF - [Timeframe]
Languages
Korean
Native language
English
Upper intermediate
B2
Websites
Timeline
Certified Kubernetes Administrator(CKA), CNCF - [Timeframe]
07-2022
Suuport Engginer
Ericsson-LG
11.2021 - Current
System Engineer
Mobigen
06.2021 - 10.2021
Network Engineer
ETech System
09.2019 - 05.2021
Bachelor of Science - Coumputer Engineering
Bachelor's Degree Examination For Self-Education
06.2019 - 02.2022
CCNA, Cisco
06-2019
Industrial Engineer Information Processing, HRD Korea
06-2019
Network Advisor 2, Information & Communication Qualification Association of Korea
06-2019
No Degree - Network Engineering
Korean Technology Education Vocational Academy
01.2019 - 06.2019
No Degree - Practical Music
Kosin Univ., South Korea
03.2015 - 06.2018
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