Mauricio Villagran

Senior Platform Engineer / Lead SRE

About Me

Senior Platform Engineer / Lead SRE with 15+ years of experience designing, automating, and operating cloud-native platforms and enterprise infrastructure at scale.

Specialized in Kubernetes, Red Hat OpenShift (ROSA), GitOps workflows, and designing robust deployment automation across AWS, Azure, and Hybrid/On-Premise environments. Strong expertise in Platform Engineering, centralized CI/CD frameworks (Azure DevOps, GitLab), automation via scripting (PowerShell, Bash), and enterprise observability.

Proven track record leading large-scale transformations, optimizing high-availability mission-critical databases (SQL Server), and driving deployment reliability. Passionate about automation, system resiliency, and improving developer experience.

Experience

Globant (Red Sea Global)

Senior Platform Engineer / DevOps Lead

March 2025 - Present

https://globant.com
  • Led Platform Engineering initiatives across OpenShift (ROSA), AWS, and enterprise systems.
  • Implemented GitOps model using ArgoCD and Helm, standardizing application delivery.
  • Built centralized GitLab Templates repository to standardize CI/CD pipelines across multiple technologies.
  • Led enterprise observability implementation using Datadog across OpenShift, AWS, Mulesoft, and Adobe platforms.
  • Managed ROSA clusters lifecycle, including upgrades and Blue/Green deployment strategies.
  • Designed scalable cloud architectures using AWS CloudFront, API Gateway, and load balancing (ALB/NLB).
  • Led migration from GitHub to GitLab, including repositories and CI/CD pipelines.

Globant (LA Clippers)

Senior Cloud Engineer / DevOps

August 2023 - March 2025

https://globant.com
  • Implemented Infrastructure as Code (Terraform) for IoT and Machine Learning platforms on Azure.
  • Designed secure IoT architectures, including device provisioning and certificate management.
  • Developed custom Semantic Versioning automation and branching strategies.
  • Optimized microservices performance by improving Dockerfiles and Node.js configurations.

Globant (Instride)

Senior Cloud Engineer / DevOps

October 2021 - August 2023

https://globant.com
  • Designed AWS infrastructure using Terraform and GitLab CI/CD.
  • Led migration from ECS to EKS, enabling Kubernetes adoption.
  • Implemented Blue/Green deployments for high availability.
  • Implemented Service Mesh using Istio.
  • Managed observability tools (Datadog, Splunk) and Mongo Atlas databases.
  • Provided technical leadership and production support.

Pyxis

Senior System Administrator / Cloud Engineer

March 2014 - October 2021

https://pyxis.com.uy
  • Designed Azure migration architecture for payment systems using Terraform and Ansible.
  • Implemented advanced CI/CD pipelines from scratch using Azure DevOps for critical environments.
  • Managed IaaS and PaaS environments using DevOps practices, ensuring high availability and secure rollbacks.
  • Deployed and operated enterprise Kubernetes platforms (OKD, Rancher) and managed IIS web environments.
  • Led mission-critical enterprise migrations and production tuning (Exchange, Active Directory, SQL Server, SharePoint).

Arnaldo Castro

Senior System Administrator & Automation Specialist

May 2010 - February 2014

https://arnaldocastro.com.uy
  • Designed and developed advanced automation scripts using PowerShell and Bash to streamline deployments and infrastructure provisioning.
  • Migration, administration, and performance tuning of SQL Server databases and Windows/Linux production environments.
  • Management and migration of enterprise VMware virtualization environments and failover clustering.
  • Deployment of high-availability services such as Squid, Apache, IIS, DNS, and Postfix.
  • Implementation of centralized monitoring tools and backup management for critical environments.

IDS Ltda

Support Engineer

October 2008 - May 2010

https://www.idsltda.uy
  • Level 1 support (on-site and remote).
  • Network troubleshooting.
  • Linux server administration.

GHM Uruguay

Technician

January 2008 - March 2008

  • Computer assembly and repair.

Key Achievements

GitOps & Deployment Automation

  • Standardized delivery models using ArgoCD, Helm, and Azure DevOps across multiple teams, ensuring safe rollbacks and zero-downtime releases.

Platform Engineering Enablement

  • Built centralized CI/CD templates (GitLab, Azure DevOps), reducing duplication and drastically improving developer experience.

Enterprise Observability

  • Led Datadog, Splunk, and Zabbix implementations across multi-cloud, on-premise, and OpenShift environments.

Production Tuning & Infrastructure

  • Proven track record optimizing mission-critical SQL Server environments and automating Windows/Linux servers at scale.

Technical Skills

Platform & Cloud: AWS, Azure, Red Hat OpenShift (ROSA), Kubernetes (EKS, AKS, OKD, Rancher), Windows Server, Linux (Ubuntu/Debian)

Containers & GitOps: Docker, Helm, ArgoCD

Infrastructure as Code & Automation: Terraform, Ansible, CloudFormation, PowerShell Scripting (Advanced), Bash

CI/CD & Platform Engineering: Azure DevOps, GitLab CI/CD, GitHub Actions, Jenkins, Harness

Data & Observability: SQL Server (T-SQL, Performance Tuning), Datadog, Splunk, Dynatrace, New Relic, Zabbix/Grafana

Networking & Service Mesh: Istio, IIS, AWS API Gateway, CloudFront, Route53, ALB/NLB

Concepts: Platform Engineering, SRE, GitOps, Deployment Automation, High Availability, Scalability, Security, Multi-Cloud

Languages

Spanish

Native

English

B1 (Working proficiency)