I design and operate secure delivery platforms and production infrastructure across banking and enterprise environments.

My work focuses on Linux, Kubernetes/OpenShift, CI/CD platform engineering, infrastructure automation, DevSecOps, cloud, and production troubleshooting.

Website · LinkedIn · Organization · Email

• DevOps / DevSecOps / Platform Engineering
• Linux infrastructure and production troubleshooting
• Kubernetes & OpenShift
• CI/CD architecture and release engineering
• Infrastructure automation with Ansible, Terraform, Bash and Python
• Security controls integrated into software delivery
• Enterprise banking and production-critical systems
• Open-source contributor and Jenkins plugin maintainer

Reusable Jenkins/Groovy pipelines, GitLab CI, GitHub Actions, artifact promotion, release governance, multi-environment delivery and developer enablement.

Kubernetes, OpenShift, Helm, Argo CD, container runtimes, configuration management and production troubleshooting.

Linux administration, Ansible, Terraform, Bash and Python for repeatable infrastructure operations and deployment automation.

SAST, SCA, container scanning, DAST, security gates, auditability and automated security controls integrated into CI/CD.

Maintainer and contributor to jenkinsci/ansible-tower-plugin.

Engineering work includes:

• Ansible Automation Platform / AWX integration
• resilient workflow polling
• transient failure handling
• secret-safe logging
• Jenkins Job DSL compatibility
• JDK and Jenkins baseline modernization
• security scanning
• automated regression testing

Supporting an enterprise CI/CD platform spanning hundreds of application repositories across OpenShift microservices, Java/JBoss/WebSphere, .NET, Node.js, Python, Flutter and enterprise middleware.

Source
  │
  ▼
Git / GitLab
  │
  ▼
Jenkins
  │
  ├── Build
  ├── Test
  ├── SAST / SCA / DAST
  ├── Artifact Management
  └── Release Governance
        │
        ▼
 Kubernetes / OpenShift

Contributed to production delivery and platform automation for Temenos T24 R25 using OpenShift, Helm, Jenkins, Ansible, container image promotion, multi-environment deployment and production rollout automation.

I maintain Linux and Kubernetes infrastructure for hands-on systems engineering and experimentation.

Areas include:

• AlmaLinux
• Kubernetes
• containerd
• Cilium
• networking
• storage
• NAS
• monitoring
• automation
• bare-metal infrastructure

• card-credit-helm-chart
• fund-management-helm-chart
• ansible-playbook-api

• card-credit-be
• card-credit-fe
• database-manager

Contributor / maintainer:

• Jenkins Ansible Tower Plugin

Organization:

• devsecopslonghn

Sacombank — DevOps Engineer
Nov 2024 — Present
Core Banking · Open Banking · Payment Systems

Accenture — Monitoring DevOps Engineer
Jul 2024 — Oct 2024
Cloud monitoring and production operations

DXC Technology Vietnam — DevOps Engineer
Sep 2022 — Jul 2024
AWS · Terraform · CI/CD · Financial Services

• Website: https://drgdevlab.com
• LinkedIn: https://www.linkedin.com/in/longhn0710
• Email: longhn0710@gmail.com