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Senior DevOps Engineer

Tri Do

Senior DevOps Engineer with over 18 years of hands-on experience in cloud infrastructure, CI/CD automation, software development, and system networking. Specialized in designing and implementing scalable, secure, and resilient systems across AWS, GCP, and Azure environments.

Tech Lead Senior DevOps Senior Cloud Engineer

Work Experience

Cloud Leader and Senior DevOps

Galaxy One
galaxy.one
Jun 2021 - Present

Cloud Leader and Senior DevOps at Galaxy One, a digital technology company and member of Sovico Group, delivering innovative technology solutions connected to service products.

  • Develop and maintain infrastructure across GCP, AWS, and Azure with strong focus on scalability, high availability, performance, and security.
  • Collaborate with internal technology teams on tooling, engineering standards, and CI/CD practices.
  • Improve delivery processes and reduce development lifecycle time.
  • Manage AWS Organizations and build billing reports for customers.
  • Provide cloud architecture and DevOps/DevSecOps services for Sovico business units using AWS Well-Architected principles.
AWS: EC2, CloudFront, S3, EKS, ECR, CodeDeploy, ECS, Lambda, RDS AWS: CloudFormation, API Gateway, SNS, SQS, DynamoDB, ElastiCache, AWS SDK GCP: Compute Engine, GKE, App Engine, Cloud SQL, Pub/Sub, Firebase Azure: VM, App Service, AKS, Storage, SQL Database GitLab CI, GitHub Actions, Jenkins, ArgoCD, Bitbucket Pipelines, Terraform, Helm, Docker CodeBuild, CodePipeline, CloudBuild, Rancher, SonarQube, OWASP ZAP, Checkov, Trivy, TerraScan

Technical Manager / DevOps

Cloudteam Co., LTD
cloudteam.vn
Jun 2013 - May 2021

Managed the software development department and oversaw delivery of integrated call center, CRM, and ticketing platforms while consulting on numerous large-scale systems with high-availability infrastructure requirements.

  • Developed call center solutions integrated with multiple CRM systems.
  • Managed developers and business analysts across product and delivery workstreams.
  • Analyzed and developed backend systems for enterprise and customer-facing solutions.
  • Supported deployments for mobile applications on Google Play and the Apple App Store.
VMware ESXi Zimbra Mail K3S Helm Docker Swarm Docker Compose Consul GitLab CI SonarQube Flutter Firebase

IT Manager

Paylink
paylinkglobal.com.my
Jun 2011 - Jun 2013

Managed technology delivery for a kiosk payment solution that enabled customers to top up mobile balances and pay bills through cash-based self-service machines.

  • Set up new infrastructure, servers, and applications for the platform.
  • Worked with partners to ensure secure network connectivity and API integration.
  • Documented business flows, transaction APIs, and reporting APIs.
  • Optimized software deployed to kiosk machines and built reporting and monitoring tools.
  • Built a call center platform on Asterisk and PHP to help support teams access customer and transaction data.
  • Trained technical staff and coordinated with developer teams across regions.

System Networking Team Lead

VTC Online
vtconline.vn
Jun 2009 - May 2011

Supported infrastructure for digital content and online gaming services, with responsibility for network, server continuity, upgrades, and database operations.

  • Administered network and operating systems for game servers to ensure continuity and performance.
  • Deployed VoIP and fax server solutions.
  • Planned installations, configurations, maintenance schedules, and game upgrade operations.
  • Coordinated with game developers in Korea and China on installation and upgrade plans.
  • Backed up and managed MSSQL and MySQL databases, including data queries for game events.
  • Developed and managed websites, forums, and applications related to games.
  • Assigned team tasks and reported progress to leadership.

Test Engineer / Network Engineer

TMA Solutions
tmasolutions.vn
Mar 2006 - May 2009

Worked across telecom interoperability testing and IT infrastructure operations, supporting Nortel-related environments and enterprise networking services.

Test Engineer

Worked on the ESCS Interop project to verify the interoperability of Nortel telecom products with third-party platforms including Microsoft, Avaya, Cisco, and LG.

  • Built and maintained lab environments, including software and hardware setup, configuration, and upgrades.
  • Created test plans and test cases for Nortel, Microsoft, and Cisco products.
  • Executed test cases, reported bugs, collected logs, captured traffic, and verified fixed patches with developers.
  • Tracked bugs and produced reports for Nortel Prime.

Network Engineer

As part of the IT Infrastructure department, supported network services for TMA projects and managed the Active Directory environment for the Nortel project site.

  • Administered company network infrastructure and provided solutions based on project and customer requirements.
  • Deployed and implemented networks and broader IT environments.
  • Managed gateways, Cisco switches and routers, internet leased lines, and network application servers.
  • Reported performance, stored logs, and configured network devices and application servers.
  • Maintained Active Directory, MPLS, SAN storage, terminal servers, SQL Server, and the Nortel project domain controller environment.