Personal Details

I'm a DevOps Engineer - SRE Teams
DevOps Engineer with a experience in building, administrating and optimizing systems and manage data centers that consists of environments including Linux, Networking and service.
Almost my free time is spent learning new technologies. I have a huge passion for Linux and the open source community


Experience

OnPoint E-commerce

DevOps Engineer | SRE Teams

Building, managing and operating network systems and service infrastructure.
Design, deploy and operate service infrastructure, storage server connection system.
Development, research, evaluation and selection of solutions for server and network infrastructure in accordance with each deployment service.
Automate application release process from dev to staging then production using gitlab CI, Github Action.
Provide system administration, including configuring, deploying, monitoring for Linux servers, Web servers (Nginx, Apache).
Management and maintenance IT software infrastructure: Jira Software, Jira ServiceDesk, Confluence, Source code control (GitLab, Github, SVN)
Design and implement backup & recovery policies, ensure the durability and availability of the company systems.

March 2021 - Present Hybrid

VinCSS LLC · Full-time

DevOps Engineer | SecOps & Infrastructure Teams

Building, managing and operating network systems and service infrastructure.
Design, deploy and operate service infrastructure, storage server connection system.
Development, research, evaluation and selection of solutions for server and network infrastructure in accordance with each deployment service.
Automate application release process from dev to staging then production using gitlab CI, Github Action.
Provide system administration, including configuring, deploying, monitoring for Linux servers, Web servers (Nginx, Apache).
Management and maintenance IT software infrastructure: Jira Software, Jira ServiceDesk, Confluence, Source code control (GitLab, Github, SVN)
Design and implement backup & recovery policies, ensure the durability and availability of the company systems.

March 2021 - Present Hybrid

YouNet Group · Full-time

System Engineer | Infrastructure Teams

Building, managing and operating network systems and service infrastructure.
Design, deploy and operate service infrastructure, storage server connection system.
Development, research, evaluation and selection of solutions for server and network infrastructure in accordance with each deployment service.
Coordinate with other relevant departments to build network systems and deploy application software on LAMP & LEMP stack.
Experience with Docker containerization
Automate application release process from dev to staging then production using gitlab CI, travis CI
Experience with managing multi-servers applications behind balancers/proxies (HAProxy, Nginx) and Cloud system GCP, AWS deployment.
Experience with managing most popular web control panels such as cPanel, CentOS WebPanel, Plesk, DirectAdmin, Webmin, Vesta ControlPanel.
Recover the system in case of incidents.
Provide system administration, including configuring, deploying, monitoring for Linux servers, Web servers (Nginx, Apache), Database servers (MySQL / PostgreSQL), Proxy and Balancers.
Management and maintenance IT software infrastructure: Jira Software, Jira ServiceDesk, Confluence, Intranet Bitrix24, Source code control (GitLab, Github, SVN), and other Back-office systems.
Design and implement backup & recovery policies, ensure the durability and availability of the company systems.
Support on installation, deployment, and troubleshooting for clients of the member companies.

July 2019 - February 2021 Hybrid

Xoontec · Part-time

Freelancer

Building, managing and operating systems Docker containerization
Automate application release process from dev to staging then production using gitlab CI

July 2020 - Present

Kim Denta · Part-timel

Freelancer

Maintain current production servers for all VoIP traffic
Respond to customer VoIP service requests and ensure appropriate resolution of the same
Perform troubleshooting on customer VoIP incidents
Support conguration and maintenance CallCenter

July 2019 - August 2019

LCS Group · Full-time

System Engineer | IT System & Network Teams

Responsible for conguring the system, installing, deploy and administering services on the linux operating system as required by the superiors.
Installation, conguration and maintenance development, staging and production environment for more than 400+ virtual machine.
Monitor the IT infrastructure of the Company: Server system, backup system, config switch, config router, camera, firewall, internet connection, application, software system.
Experience with database MySQL, MariaDB, conguring cluster master master, query report data for customer.
Experience with web services tomcat, loadbancer HAproxy + Keepalived, Nginx.
Experience with setup, conguring, managing, support, troubleshooting router and switch cisco, nexus, raisecom (e.g., Vlan, HSRP, LACP, EtherChannels, GRE tunnel, fexlink, vPC).
Experience working deploy automation with (e.g., ansible, terraform).
Experience with sercurity firewalld, fail2ban, iptables linux.
Experience with intalling conguring, design map, managing monitor network & system (e.g., PRTG, Grafana, Prometheus).
Experience with bash & pỵthon scripting (e.g., log, service, maintance, report, network, linux, monitor, backup cong router & switch, autotools, exporter for monitor prometheus).
Experience with virtualization (e.g., VMware ESXi).
Strong troubleshooting and conguring, managing, support, troubleshooting VoIP systems (e.g., Asterisk, FreePBX, Elastix, Grandstream, asterisk sip proxy, edge proxy, ipphone yealink, softphone eyebeam, zoiper, dahdi tool E1, GSM gateway, hotline) for more than 900+ end-user.

May 2016 - May 2019 Hybrid

Projects

Project No.1

System Engineer
Build websites running with Java, MySQL, Nginx, Redis, RabbitMQ
April 2016 - May 2019

Project No.2

Network Engineer with NetDevOps mindset
Build project vPC Cisco Nexus 3000, 5000 for Multiple Points of Presence (MPOP)
Technical experience in application system analysis, design, programming, and/or scripting experience automating tasks to support IT NOC infrastructure
Leverage and assist in the development of automation tools and processes to proactively monitor the health of the network and respond to events.
Demonstrated experience creating and implementing scripts and automating tasks utilizing Ansible, YAML, Python
May 2018 - May 2019

Project No.3

VoIP Engineer
Maintain current production servers for all VoIP traffic
Work with Project Management Team on VoIP and Internet installations
Drive customer problem investigation and resolution as required
Collaborate with colleagues to perform VoIP installations and migrations
Perform troubleshooting on customer VoIP incidents
Respond to customer VoIP service requests and ensure appropriate resolution of the same
December 2015 - May 2019

Project No.4

VoIP Engineer
Maintain current production servers for all VoIP traffic
Work with Project Management Team on VoIP and Internet installations
Drive customer problem investigation and resolution as required
Collaborate with colleagues to perform VoIP installations and migrations
Perform troubleshooting on customer VoIP incidents
Respond to customer VoIP service requests and ensure appropriate resolution of the same
December 2015 - May 2019

Project No.5

System Engineer
Maintain current production servers for all VoIP traffic
Work with Project Management Team on VoIP and Internet installations
Drive customer problem investigation and resolution as required
Collaborate with colleagues to perform VoIP installations and migrations
Perform troubleshooting on customer VoIP incidents
Respond to customer VoIP service requests and ensure appropriate resolution of the same
December 2015 - May 2019

Education

Industrial University of Ho Chi Minh City

The Degree Of Engineer
Computer Science
Subject studied:

Routing and switching
Linux system administrator
Windows system administrator

Project:

Project reviewer's report & diploma project: MPLS VPN Technology

December 2012 - December 28, 2016

Skills

Operation System
  • CentOS, Windows, MacOS, Linux, Ubuntu, Fedora
Programming Language
  • Bash Shell & Python Scripting & Go Scripting
Monitoring
  • Prometheus, Grafana, Zabbix, PRTG, Checkmk, Nagios
Logging & Tracing
  • LGTM Stack, PLG Stack, ELK Stack, Graylog, OpenTelemetry
Database
  • PostgreSQL, MySQL, Redis, MongoDB, MariaDB
Managed Kubernetes services
  • AWS EKS, Azure AKS, RKE
Cloud
  • Amazon Web Services (AWS), Microsoft Azure
Version Control
  • Git, GitHub, GitLab
Infrastructure as Code (IaC) & Configuration Management
  • Terraform, Atlantis, Terrascan, Ansible
CI/CD & GitOps
  • GitlabCI, Github Action (GHA), Jenkins, Argocd, FluxCD
Kubernetes service mesh
  • Istio, Linkerd
Distributed block storage
  • Longhorn, Thanos
Kubernetes Manifests
  • Helm Charts, Kustomize