Le Xuan Linh
Advanced DevOps & SysOps Engineer
Le Xuan Linh is an Advanced DevOps Engineer with 2+ years of experience deploying high-availability AWS systems. He specializes in building custom observability solutions to proactively resolve cloud anomalies and optimize build pipelines.
< SKILL_TAXONOMY >
Core technical competencies and automation systems toolsets.
AWS & Terraform Integration
Design scalable Terraform modules managing multi-environment deployments (Dev/Test/Prod/Perf) on Amazon AWS to eliminate drift.
Cross-Cloud Infrastructure
Provision hybrid virtual environments using Microsoft Azure and OpenNebula private hypervisors.
Docker & Kubernetes Orchestration
Automate build workflows, pushing images to Amazon ECR, and orchestrating rolling updates on Kubernetes.
Pipeline Automations
Engineer robust pipelines with Jenkins and GitHub Actions, reducing build wait times by 75% via Jenkins Matrix configurations.
Telemetry & Exporters
Build custom logging stacks using Prometheus scrapers and visualize real-time JVM metrics inside Grafana.
Threshold Alerting
Configure CloudWatch alarms and Monit daemon checks to target high CPU, latency spikes, and 5xx web errors.
Systems & Scripting
Manage Linux server resources and automate infrastructure diagnostics using Bash Script and Python.
Database Operations
Optimize queries, resolve deadlocks, and schedule recovery routines across PostgreSQL, MongoDB, and MySQL (10TB+ scale).
Security Hardening
Mitigate DDoS threats via AWS WAF, manage access via AWS IAM, encrypt secrets with SSM, and secure remote logins using Teleport and OpenVPN.
< EXP_TIMELINE >
Chronological track record of systems administration and release operations.
SysOps Engineer
@ BestarionStandardizing AWS deployments and configuring proactive observability alarms.
- ⚡ Standardized AWS multi-environment setups using modular Terraform tracks (70+ EC2 nodes), saving 15+ hours/month.
- 🤖 Pioneered ChatOps/FinOps configurations with Amazon Q, AWS Chatbot, SNS, and Lambda, saving up to $400/month on EC2.
- 🌙 Resolved critical incidents in real-time by providing overnight support to US enterprise clients.
SysOps Intern
@ BestarionAssisted in database backups and web server configuration.
- 💾 Built automated PostgreSQL snapshot schedules using custom Bash Script routines.
- 💎 Deployed Ruby on Rails builds via Capistrano configurations on AWS.
- 🔑 Hardened access boundaries using secure Teleport environments and OpenVPN client configurations.
< CASE_STUDIES >
High-performance infrastructure solutions and telemetry systems.
Enterprise Microservices CI/CD Pipeline on AWS ECS
Parallelized compilation engine supporting containerized microservices operating on AWS ECS.
TECHNICAL WORKFLOW ENGINE
The Bottleneck
Sequential builds for 7 microservices caused a 45-minute delivery bottleneck with zero caching.
The Solution
Restructured workflows using a Jenkins Matrix Build to run threads concurrently, reducing times by 75%, and automated frontend hosting to Amazon S3 with a CloudFront invalidation hook.
Proactive AWS Observability & Alerting Platform
Zero-downtime health evaluation cluster monitoring workloads and notifying Slack/Discord channels.
TECHNICAL DATA PIPELINE
The Bottleneck
Lack of instant alerting on stopped tasks delayed troubleshooting and increased overall MTTR.
The Solution
Deployed unified monitoring via Terraform, routing CloudWatch error stacks through AWS Lambda and capturing stopped ECS container events inside Amazon EventBridge to fire instant Amazon SNS notifications.