About
About Me
Zer0_Infra
Cloud Engineer / Infrastructure Engineer
5 years in infrastructure engineering, 3 years specialized in AWS. Cloud engineer focused on AWS infrastructure design, implementation, and operations. Full-lifecycle experience from requirements to production, with a focus on IaC and AI-driven automation.
Skills & Tech Stack
Cloud (AWS)
Language
OS / DB
Middleware / Tools
Certifications
AWS Certifications — 10
Other Certifications
Career
Major Financial Institution — System Integration & Mobile App Feature Addition
Led 2 AWS projects simultaneously. Reduced environment build time by ~60% through CloudFormation IaC. Designed automated monitoring with CloudWatch/EventBridge/Lambda, eliminating manual alert checks. Drove technical support for PL and client negotiations.
Major Financial Institution — Customer-Facing Website Infrastructure
Built high-availability web infrastructure with ECS + Auto Scaling. Fully automated multi-environment deployments via CloudFormation IaC, cutting release prep from days to hours. Achieved zero production incidents through thorough monitoring design and runbooks.
Internal AWS Infrastructure Operations
Delivered cost reduction proposals through Cost Explorer visibility. Automated VPC/EC2/S3/IAM provisioning with AWS CLI scripts, reducing manual setup to zero.
Internal System Design & Build
Designed and built a FortiGate upgrade test environment in one week. Obtained stakeholder approval on the first presentation.
Data Center Network Operations & Monitoring (Telecom Carrier)
Maintained sub-30-minute MTTR for first-level incident response at a telecom carrier DC. Sole owner of fixed asset management and contractor coordination.
Oracle Database Build & Operations
Built Oracle 19c from scratch and completed zero-downtime 12c→19c migration validated with RAT. Fully documented the setup procedure on RHEL 8.2.