About Khiem
Cloud DevOps Engineer with strong experience designing and operating scalable cloud infrastructure on AWS.
I specialize in building reliable and automated platforms for modern applications, using Kubernetes, Infrastructure as Code, and GitOps practices. My work focuses on creating production-ready environments that improve deployment speed, system reliability, and operational efficiency.
Key areas of expertise include:
AWS cloud infrastructure (EKS, EC2, VPC, IAM, ALB/NLB)
Kubernetes platform engineering and multi-cluster environments
Infrastructure as Code with Terraform
GitOps workflows using ArgoCD
CI/CD pipeline automation with GitLab CI
Containerized workloads with Docker and microservices architectures
I enjoy working closely with engineering teams to design scalable architectures, automate infrastructure, and streamline deployment workflows.
Vietnamese
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- NamiTechSite Reliability EngineerNovember 2025 - Today (7 months)Hanoi Metropolitan Area, Vietnam• Designed and operated cloud infrastructure on AWS using Infrastructure as Code (Terraform) to ensure reproducible and scalable environments.• Built and maintained Kubernetes (Amazon EKS) clusters, including multi cluster architecture for workload isolation and high availability.• Implemented GitOps workflows using ArgoCD, enabling automated and version-controlled application deployments across multiple Kubernetes clusters.• Developed and optimized CI/CD pipelines with Github Actions, automating build, test, and deployment processes for containerized applications.• Managed containerized workloads using Docker and Kubernetes, including configuration of Helm charts, ingress, and service networking.• Implemented cluster scheduling strategies (node affinity, pod affinity, topology spread constraints) to optimize workload placement and resource utilization.• Provisioned and maintained AWS services such as EC2, VPC, ALB/NLB, IAM, and ECR to support scalable microservices infrastructure.• Monitored system performance and reliability using logging and monitoring tools, improving system observability and operational stability.• Collaborated with development teams to improve deployment efficiency, reduce manual operations, and increase system reliability.
- RikkeisoftCloud DevOps EngineerJuly 2024 - November 2025 (1 year and 4 months)Vietnam• • Implemented Infrastructure as Code with Terraform to provision and manage AWS cloud environments, ensuring scalability, automation, and consistency.• • Deployed and managed Amazon ECS to run containerized applications, optimizing resource utilization and ensuring scalability.• • Built and maintained a private container registry on AWS to manage Docker images and support application deployment.• • Implemented CI/CD pipelines using GitLab CI to automate build, test, security scanning, and application deployment.• • Managed and maintained customer applications on AWS, including performance monitoring, cost optimization, and cloud infrastructure troubleshooting.• • Experienced with core AWS services across compute, networking, storage, databases, serverless, and monitoring to support distributed and scalable systems.• • implemented a Multiple Ingress Controller model on Oracle Kubernetes Engine (OKE) with dual Nginx Ingress Controllers to separate public and private traffic, enhancing system performance and security.
- Sao Bac Dau Technologies CorporationDevOps EngineerJune 2022 - June 2024 (2 years)Vietnam• • Experienced with CI/CD pipelines (GitLab CI, Jenkins, ArgoCD), including build, code quality and security scanning, and deployment.• • Implemented Application Performance Monitoring (Cisco AppDynamics) in UAT environments for major banks (e.g., SHB, SSI, SeABank).• • Deployed AppDynamics across web servers (JBoss, Tomcat), containerized services (Kubernetes, Docker), and databases (Oracle, MongoDB, MySQL).• • Basic experience with ELK Stack for centralized logging and error analysis using Elasticsearch.• • Deployed and managed HanaAI's infrastructure using Docker and Kubernetes, including Production clusters and DEV environments.• • Built a private Docker registry to support development teams and ensure application consistency across the system.• • Migrated HanaAI's infrastructure from VMware ESXi to OpenStack and containerized key services (e.g., Netflix Eureka) on Kubernetes in collaboration with developers.
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