Duties:

• Develop and maintain infrastructure systems (GCP, AWS Cloud) with a focus on scalability, reliability, high availability, performance, and security.
• Align and collaborate with internal tech teams on technology, tools, and CI/CD processes.
• Improve processes and reduce the development life cycle.
• Manage AWS organizations and develop billing reports for customers.
• Provide cloud infrastructure for business units of the Sovico Group, offering technical support and designing cloud architecture to meet AWS Well-Architected Framework standards. Deliver DevOps/DevSecOps as a service to BU members.

Technologies:

• AWS Cloud: EC2, CloudFront, S3, EKS, ECR, CodeDeploy, ECS, Lambda, RDS, CloudFormation, API Gateway, SNS, SQS, DynamoDB, ElasticCache, AWS SDK
• Google Cloud Platform: Compute Engine, App Engine, Kubernetes Engine, Cloud Container Registry, Cloud Functions, Cloud Load Balancing, Cloud SQL, Cloud SDK, Cloud Pub/Sub, Firebase
• CI/CD: GitLab-Runner, Jenkins, GitHub Actions, ArgoCD, Bitbucket Pipelines, CodeBuild/CodePipeline (AWS), CloudBuild (GCP)

Duties:

• Developed Call Center solutions integrated with multiple CRM systems.
• Managed a team of developers and business analysts.
• Analyzed and developed backend systems.

Technologies:

• VMware ESXi, Zimbra Mail, K3S
• Docker Swarm, Docker Compose, Consul, GitLab CI, SonarQube
• Mobile Development: Flutter, Firebase. Deployment of Mobile Apps on Google Play and Apple App Store

Typical Projects:

• Contact Center - CRM solution
• Electronic Invoice (Hóa đơn điện tử, chữ ký số)
• Online Softpin/Telco Topup application
• Garment MRP software
• ISO Workflow app (chữ ký điện tử)

Duties:

• Set up new infrastructure, servers, and applications.
• Collaborated with partners to ensure secure network connectivity.
• Worked with partners and the developer team (in Kazakhstan) on API interfaces.
• Documented business flows, transaction APIs, and report APIs.
• Optimized software in kiosk machines.
• Developed reporting and monitoring tools.
• Built a Call Center based on Asterisk and PHP web, enabling the Customer Support team to access customer information, transactions, and open tickets when customers called the hotline.
• Trained technical staff.

Duties:

• Administrated network and OS systems for game servers, ensuring system continuity and optimized performance.
• Deployed VoIP solutions and Fax servers.
• Planned and executed installations, configurations, maintenance schedules, and game upgrades.
• Interfaced with game developers in Korea and China for installation and upgrade plans.
• Backed up and managed MSSQL and MySQL databases, including querying databases for game events.
• Assigned tasks to team members and provided regular reports to the Directory.
• Developed and managed websites, forums, and applications related to games.

Duties:

• Built and maintained a lab: set up, configured, and upgraded software and hardware.
• Developed test plans and test cases for Nortel, Microsoft, and Cisco products.
• Executed test cases, reported bugs to the development team, collected logs, and captured traffic. Verified fixed patches with developers.
• Tracked bugs and wrote reports for Nortel prime.

Duties:

• Administrated network infrastructure, ensuring smooth operation of the company’s network.
• Worked closely with project employees to develop, provide solutions, and install networks per customer requirements.
• Deployed and implemented networks and IT environments.
• Managed, monitored, and maintained gateways, Cisco switches/routers, internet leased lines, and network application servers.
• Reported performance, stored logs, and configured all network devices and application servers.
• Managed and maintained the Active Directory of the Nortel Project, reported on the health and errors of the Domain Controller, and managed the MPLS network, SAN storage, Terminal Server, and SQL Server.