Tuyển dụng Cloud DevOps Engineer tại Hà Nội

1. Position Summary

We are looking for a DevOps Engineer with strong expertise in cloud infrastructure and automation to design, deploy, operate, and continuously improve production-grade platforms across on-premises, private-cloud, and hybrid-cloud environments. You will collaborate with Development, System, Network, and Security teams to deliver resilient, secure, observable, and highly automated infrastructure services.

2. Key Responsibilities

Cloud Infrastructure

Deploy, operate, and optimize cloud infrastructure, with a strong preference for OpenStack-based environments.

Install, configure, and administer OpenStack services including Nova, Neutron, Cinder, Glance, Keystone, and Horizon.

Operate platforms across on-premises, private-cloud, and hybrid-cloud environments.

Contribute to high availability, backup, disaster recovery, capacity planning, patching, and platform lifecycle management.

Automation, IaC & CI/CD

Automate infrastructure and application delivery using Ansible, Terraform, Bash, and/or Python.

Build and improve CI/CD pipelines using GitLab CI, Jenkins, Argo CD, or equivalent platforms.

Standardize provisioning, configuration, deployment, and operations through reusable code, templates, SOPs, and runbooks

Promote GitOps and Infrastructure as Code practices to improve consistency, traceability, and delivery speed.

Containers & Platform Engineering

Deploy and operate Docker and Kubernetes environments, preferably integrated with OpenStack and Ceph.

Manage cluster components, Helm-based releases, ingress, registries, resource policies, and platform upgrades.

Collaborate with application teams to improve platform reliability, scalability, and deployment readiness.

Observability, Reliability & Support

Implement monitoring, logging, dashboards, and alerting using Prometheus, Grafana, ELK, Zabbix, or equivalent tools.

Troubleshoot issues across Linux, cloud, container, network, and storage layers; perform root-cause analysis and preventive actions.

Develop architecture documents, operating procedures, SOPs, and runbooks; participate in on-call support when required.

3. Required Skills

2-3+ years of hands-on experience in DevOps, Cloud Engineering, Infrastructure Engineering, or System Engineering.

Practical experience deploying and operating OpenStack in production or a large-scale lab environment.

Strong Linux administration skills across Ubuntu, CentOS, Rocky Linux, or Red Hat Enterprise Linux.

Solid networking knowledge, including TCP/IP, VLAN, VXLAN, BGP, NAT, DNS, load balancing, and firewalls.

Working knowledge of Ceph (RBD/CephFS), NFS, iSCSI, SAN, or NAS technologies.

Proficiency in Ansible; hands-on Terraform experience is highly valued.

Experience with GitLab CI, Jenkins, Argo CD, or an equivalent CI/CD platform.

Hands-on exposure to Docker and Kubernetes.

Ability to analyze logs, debug systems, manage incidents, and communicate technical findings clearly.

Ability to read and understand English technical documentation.

4. Nice-to-Have

Experience with highly available, multi-region, or production-scale OpenStack environments.

Experience integrating OpenStack with Kubernetes, Ceph, SDN, OVS, or OVN.

Knowledge of IAM, SSL/TLS, secrets management, Linux hardening, and cloud security practices.

Experience with AWS, Microsoft Azure, or Google Cloud.

Relevant certifications such as OpenStack COA/COE, CKA/CKAD/CKS, RHCSA/RHCE, Terraform Associate, or a public-cloud certification.

Experience in ISP, telecommunications, data-center, managed-services, or multi-tenant environments.