DA JIN LEE
Centreville,VA
Summary
Accomplished Senior Data Center Support Technician with extensive experience in optimizing cloud infrastructure and ensuring system reliability. Successfully led high-impact initiatives, including the Stargate Project and large-scale NVIDIA platform installations, while effectively managing incident responses to enhance operational efficiency.
Overview
1
1
Certification
4
4
years of professional experience
Work History
Senior Data Center Support Services Technician
Oracle
Ashburn, Virginia
08.2025 - Current
- Results-driven Senior Data Center Support Services Technician and key member of the Infrastructure Optimization Team and the Command center team within OCI, delivering expert support and spearheading high-impact projects to drive system reliability and scalability
- Spearheaded multiple high-impact projects, including Stargate Project, compute re-balance project, Lenovo X9 server retrofit project, Bluemamba network rack thermal remediation project, Cisco WDM Line-card repair project, large-scale (1000+) Nvidia H100 installation project, Nvidia B300 midplane thermal rework project, and Nvidia B300 deployment project across OCI IAD region as an Infrastructure Optimization team.
- Orchestrated logical troubleshooting and triage for all incoming Sev2 incidents on-call across the IAD region, supporting a diverse OCI hardware fleet including GPU, Compute, Storage, and Oracle Database servers. Managed end-to-end incident communication, properly escalating issues between customers and on-site administrators to guarantee seamless handoffs and strictly meet 4-hour SLA/SLO targets.
Data Center Technician
Amazon Web Services
Sterling, Virginia
07.2023 - 08.2025
- Specialized as on-call Data Center Technician in rapid resolution of high-impact infrastructure challenges and intricate networking issues, ensuring 99.999% uptime
- Managed and troubleshot core AWS services (EC2, S3, EBS) while performing server maintenance on Amazon Linux to maintain service reliability
- Diagnosed and resolved complex network issues by tracing failure points across switches, fiber optics, and patch panels, enhancing network stability
- Trained and mentored interns on operational procedures and collaborated with global cross-functional teams for critical incident resolution
Area Manager Intern
Amazon
North East, Maryland
06.2022 - 08.2022
- Managed team to optimize workflows, resulting in a 10% decrease in automation failure by identifying and resolving a systematic pattern causing packages to go undetected
- Completed 10-week internship in supply chain operations, led team to refine leadership and operational capabilities
- Developed project management skills through cross-functional collaboration on macro supply chain strategy
Education
BS - Cloud and Network Engineering
Western Governors University
Millcreek, UT06-2028
Skills
- Server hardware troubleshooting
- Linux systems administration through bastion SSH
- Network troubleshooting
- Arista/Cisco switch CLI administration
- Grafana proficiency
- Incident Management & Triage
- JIRA/Atlassian proficiency
- SOP creation
Certification
- Google IT Support certification
- Google AI Essentials certification
Timeline
Senior Data Center Support Services Technician
Oracle
08.2025 - Current
Data Center Technician
Amazon Web Services
07.2023 - 08.2025
Area Manager Intern
Amazon
06.2022 - 08.2022
BS - Cloud and Network Engineering
Western Governors University