Senior Cloud Engineer Private Cloud OpenStack

Top 3 Reasons To Join Us The Job We are seeking a Senior Cloud Engineer to operate and optimize our High-Availability Hybrid Cloud Infrastructure, with a primary focus on Private Cloud (OpenStack) supporting mission-critical Digital Financial Products & Infrastructure. The role requires strong hands-on experience in production OpenStack environments, with solid capabilities in Linux, networking, automation, and infrastructure troubleshooting Key Responsibilities 1. Private Cloud – OpenStack (Primary Focus) Operate, maintain, troubleshoot, and upgrade production OpenStack Private Cloud environments. Deploy and manage OpenStack using Kolla-Ansible, TripleO, Genestack, or equivalent. Operate core OpenStack services including Nova, Neutron, Keystone, Glance, and Horizon. Maintain HA, performance, capacity, and reliability of the Private Cloud platform. Perform infrastructure troubleshooting, performance tuning, capacity planning, upgrades, and lifecycle management. Handle production incidents, perform RCA, and continuously improve operational stability. 2. Public Cloud – AWS & GCP Operate and support infrastructure on AWS and/or GCP. Support connectivity between Private Cloud and Public Cloud environments. Monitor resource utilization, availability, performance, and infrastructure cost. 3. Kubernetes & Automation Operate and support production Kubernetes environments. Use Terraform and Ansible to automate infrastructure provisioning and operational tasks. Support CI/CD platforms such as GitLab CI, Jenkins, or GitHub Actions. 4. Monitoring, Security & Operations Operate infrastructure monitoring and logging platforms such as Prometheus, Grafana, Zabbix, and ELK/Elastic Stack. Follow established security policies and compliance standards, including applicable PCI-DSS, ISO 27001, SOC 2, and Zero Trust requirements. Participate in on-call, incident management, and ensure defined SLA/SLO targets. Your Skills and Experience 4+ years of experience in Cloud/Infrastructure/DevOps Engineering. Strong hands-on experience operating OpenStack in production. Experience with Kolla-Ansible, TripleO, Genestack, or equivalent. Strong Linux administration and troubleshooting skills. Good understanding of networking, virtualization, HA, and infrastructure operations. Strong experience with Terraform and/or Ansible. Good production troubleshooting and incident management skills. Preferred Experience with AWS and/or GCP. Production experience with Kubernetes. Experience in FinTech, Banking, Payment, or other mission-critical environments. Experience with hybrid cloud connectivity and large-scale infrastructure operations. Relevant AWS/GCP/Kubernetes certifications are a plus. Why You'll Love Working Here Salary & Allowances: 13th-month salary and quarterly performance-based KPI bonuses Special occasion bonuses: 3,500,000 – 5,000,000 VND/year Annual leave: Up to 15 days per year (depending on level) Health & Wellness: Social insurance, private health insurance coverage, and annual medical check-ups at Vinmec Equipment: Laptop, external monitor, and all necessary work tools, software, and accounts Career Growth: Annual performance & salary reviews with diverse promotion tracks: Management or Expert pathways, alongside functional cross-rotation opportunities Free access to learning platforms (Udemy, Coursera, O'Reilly), internal workshops, certification sponsorship, and exclusive C-level mentorship Team and organizational-level recognition and award programs Work Environment: Open, collaborative workspace designed to support both deep focus and teamwork Young, dynamic, and supportive work culture Relaxation amenities: Gaming zone, table tennis, yoga space, gym, and shower facilities Annual team-building trips and engaging internal bonding events