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Long Ho
DevOps Engineer — Banking & Financial Systems
longhn0710@gmail.com +84 332 792 848 Ho Chi Minh City, Vietnam linkedin.com/in/longhn0710 github.com/devsecopslonghn drgdevlab.com
Summary

DevOps Engineer with 3+ years of experience in banking and financial systems, specializing in CI/CD automation, container orchestration, and infrastructure reliability. At Sacombank, supporting ~300 production projects across Core T24, Open Banking, and Payment systems. Delivered measurable impact through pipeline engineering, infrastructure optimization, and security incident response in regulated environments.

50%
Faster deployments
75%
Release frequency ↑
40%
Cost reduction
99%
System uptime
Experience
DevOps Engineer  ·  Sacombank
Jul 2024 – Present · Ho Chi Minh City
Core Banking · Open Banking · Payment Systems
  • Built Core T24 CI/CD pipeline from scratch, migrating workloads from on-premises to OpenShift OCP with rolling zero-downtime deployments — one of a team of 4 supporting ~300 production projects across WebSphere, OCP, and JBoss.
  • Reduced end-to-end deployment lead time by 50% (commit → server) and release frequency by 75% through Jenkins and GitLab CI pipeline optimization and automation.
  • Cut infrastructure costs by 40% through resource rightsizing, autoscaling policies, and spot instance adoption in dev/staging environments.
  • Implemented Database CI/CD using Flyway and custom Bash scripts for schema migration, version control, and automated rollback across banking databases.
  • Integrated security scanning (SonarQube, Aqua Scanner, Coverity, BlackDuck) into all pipeline stages, ensuring compliance with banking regulatory requirements.
  • Led GitLab credential exposure incident response: rotated access keys, restored Jenkins/Ansible integrations, identified root cause (documentation leak), and drove team security awareness program.
  • Operated monitoring stack (Grafana, Prometheus, Datadog, Zabbix) to maintain 99% uptime SLA across Core Banking and Payment services.
  • Automated infrastructure and operational workflows using self-written Ansible playbooks and Bash/Python scripts for configuration management and deployment orchestration.
DevOps Engineer  ·  DXC Technology Vietnam
Sep 2022 – Jul 2024 · Ho Chi Minh City
Clients: Allianz Philippines · AIA · PSMBFI
  • Delivered end-to-end DevOps pipeline implementation for enterprise insurance clients in regulated financial environments.
  • Completed critical platform delivery within 100 days, receiving formal recognition from Allianz Philippines for delivery quality and timeliness.
  • Automated infrastructure provisioning and configuration management using Ansible; developed Groovy-based Jenkins pipeline scripts for multi-environment deployments.
  • Built artifact management workflows with Nexus and JFrog Artifactory; implemented CI/CD compliance gates for regulated financial services clients.
Technical Skills
CI/CD Jenkins, GitLab CI, Groovy Pipeline as Code Container & Orchestration OpenShift OCP, Kubernetes, Docker, Helm Automation & IaC Ansible, Bash, Python Cloud (AWS) EC2, S3, Lambda, API Gateway, RDS, ECS Database CI/CD Flyway, Custom Migration & Backup Scripts Monitoring Grafana, Prometheus, Datadog, Zabbix Security SonarQube, Aqua Scanner, Coverity, BlackDuck Artifact Management Nexus, JFrog Artifactory Banking Systems Core T24, Open Banking, Payment Systems, WebSphere, JBoss
Education
B.Sc. Information Technology
University of Information Technology (UIT) — Ho Chi Minh City
2022