Linh Tuan Nguyen
Automating infrastructure, one script at a time.
About
A bit about who I am and what I do
Senior DevOps/DevNet Engineer with 5+ years of experience designing and automating large-scale network infrastructure. Passionate about bridging the gap between networking and software development through IaC, automation, and cloud-native tooling.
Skills
Technologies and tools I work with
Experience
My professional journey
Senior DevNet Engineer
- ›Automated network provisioning for 1000+ devices using Ansible + Netconf, reducing deployment time by 70%
- ›Designed and implemented SD-WAN solution across many regional offices using multivendors (Cisco, Juniper, Versa)
- ›Built CI/CD pipeline for network-as-code workflows with GitLab CI + Python validation
- ›Led migration of legacy BGP topology to EVPN/VXLAN fabric serving 100Gbps throughput
Network Automation Engineer
- ›Developed internal network inventory system using FastAPI + PostgreSQL, replacing manual spreadsheets
- ›Implemented Terraform modules for cloud networking (VPC, VPN, Transit Gateway) on AWS
- ›Reduced MTTR from 5h to 3h by building automated alerting and runbook execution
- ›Mentored 5 junior engineers on Python scripting and network automation practices
Network Engineer
- ›Managed and maintained core routing/switching infrastructure for enterprise network of 1000+ nodes
- ›Wrote first automation scripts in Python for config backup and compliance checking
- ›Deployed and configured Cisco ASA firewall policies and IPSec VPN tunnels
Projects
Things I've built and shipped
NetAutoFlow
Open-source network automation framework combining Netconf/YANG, Ansible, and a React dashboard for zero-touch provisioning of multi-vendor environments.
K8s Network Visualizer
Real-time Kubernetes network topology visualizer showing pod connectivity, CNI routes, and network policies.
IaC Compliance Scanner
Static analysis tool for Terraform and Ansible playbooks that enforces network security policies before deployment.
BGP Simulator
Lightweight BGP route simulator for testing and visualizing complex routing policies in containerized environments.
YANG Model Generator
CLI tool that generates YANG data models from existing device configurations with schema validation.
Certifications
Validated expertise
Blog
Thoughts on DevNet, automation, and infrastructure
Network Automation with Ansible and Netconf: A Practical Guide
How I automated provisioning of 200+ Cisco devices using Ansible Netconf modules and YANG data models.
Building a GitOps Pipeline for Network-as-Code
Treating network configuration as code — version control, testing, and automated deployment with GitLab CI.
EVPN/VXLAN Deep Dive: From Theory to Production
A comprehensive walkthrough of designing and deploying an EVPN/VXLAN fabric in a production data center.
Contact
Let's build something together
Always open to discussing new opportunities, collaborations, or just talking tech. Drop me a message!
© 2026 Linh Tuan Nguyen — Built with Next.js & deployed on Vercel