David Ramon Cabanas Montiel
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www.linkedin.com/in/david-cabanas-m
Education
Bachelor of Systems Analysis
Universidad Americana
Asunción, Paraguay
Certifications
The Linux Foundation - Certified Kubernetes Administrator - CKA
Credential ID: LF-0gjog5w5gf
Red Hat - Certified Architect - RHCA
Credential ID:-
Red Hat - Certified Specialist in Linux Performance Tuning
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Red Hat - Certified Specialist in Service Management and Automation
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Red Hat - Certified Specialist in Ansible Networking Automation
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Red Hat - Certified Specialist in Security: Linux
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Red Hat - Certified Specialist in OpenShift Administration
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Red Hat - Red Hat Certified Engineer - RHCE
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Red Hat - Certified System Administrator - RHCSA
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Red Hat - Accelerators Program
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Microsoft – Microsoft Certified: Azure Administrator Associate
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Microsoft – Microsoft Certified Azure Fundamentals
Credential ID:-
Axelos - ITIL® Foundation Certificate in IT Service Management
Credential ID: GR-DC
Mikrotik - MikroTik Certified Network Associate
Credential ID: 1808RE7695
Mikrotik - MikroTik Certified Routing Engineer
Credential ID: 1808RE7695
Deloite Cybersoc - System and Network Security Audit
Certiprof - Lead Cybersecurity Professional
Credencial ID:JLSLDLRDHK-HCWZTNHT-YBDQDWJYSW
Professional Experience
Central Hidroelectrica Itaipu - Hernandarias, Paraguay
Red Hat Consulting Specialist (2022 – actual)
• Automation of virtual machine infrastructure with Ansible
• Implementation of the DevOps culture
• Implementation of Infrastructure as code
• Troubleshooting Red Hat OS issues
• Kubernetes implementation
PTI (Itaipu Technological Park) - Hernandarias, Paraguay
System Administrator and DevOps(2014 – 2022)
• Lead the implementation of a microservices architecture in the infrastructure using open source
software (Openshift).
• Lead the implementation of CEPH cluster for storage all the data.
• Lead the implementation of New Cluster Technology with Red Hat Virtualization systems
• Implementing azure with kubernetes and rancher for deployment of native applications in the cloud.
and implementing Infrastructure as code.
• In charge of the administration of virtual machines in QEMU – kvm.
• In charge of Zimbra mail implementation.
• Collaborate in the transition of the Datatencer network from traditional to SDN.
• In charge of the different VPN servers with OpenVPN.
Nitrobit - Texas, EEUU (Remote)
DevOps (2020 - 2022)
• Currently working as DevOps in part time mode, deploying Vms, containers, and developing system
automation with Rundeck
DISH-Global CDN Services - Melbourne, Australia (Remote)
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Ceph Cluster Administrator (2019 - 2022)
• Working as administrator of 2 CEPH clusters of 500 TB capacity each to serve multimedia content
ATI ISP - Asunción, Paraguay
System Administrator (2009 - 2014)
• Deploy internet Service Provider systems.
• Create Networks to provide internet to clients.
• Create Cache servers and maintain the Datacenter servers.
Projects
OKD + Ceph + Gitlab (2018/2019)
• Deployment of an OKD cluster, in conjunction with a Ceph cluster, for migration of monolithic systems
to microservices with CI/CD pipelines in a private Gitlab deployment, changes in work methodologies
focused on Agile and DevOps, start-up and production.
Migration from OKD to Azure AKS and Gitlab to Azure DevOps (2021)
• Migrations and creation of projects in a kubernetes environment (OKD) to an Azure Kubernetes
Service (AKS) cluster, related automations and migration of pipelines and Gitlab repositories to Azure
DevOps.
Datalake Ceph + Hadoop + Kubernetes + Vmware (2021)
• Deploying a Ceph cluster connected to a Kubernetes cluster for persistent storage, to a Hadoop cluster
to replace HDFS as Datanode using Cephfs, and to Vmware for volume creation using ISCSI + RBD for a
banking system on Paraguay
Migration from OKD to Azure AKS and Gitlab to Azure DevOps (2022)
• Migrations and creation of projects in a kubernetes environment (OKD) to an Azure Kubernetes
Service (AKS) cluster, related automations and migration of pipelines and Gitlab repositories to Azure
DevOps.
Deployment of Openshift Infrastructure for a Bank in Paraguay (2022 - in process)
• Creation of a 3 Node Openshift cluster with 3 Tb of Ram 190 cores and 120 Tb of persistent storage
Skills
Platforms: Kubernetes, Linux-Bash, Linux, Openshift, CEPH, Kubernetes, Ansible, Terraform, AWS, GCP,
Digital Ocean, Azure and others.
Languages: Spanish (Native), English (Fluent), Portuguese (Medium).
Interpersonal: Problem solving, Assertiveness, Verbal communication, Team player, Decision Making,
Leadership Skill, Flexibility.
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