Mario Marín
@mariomarn
Platform/SRE leader optimizing CI/CD, Kubernetes, and cloud automation.
ColombiaWhat I'm looking for
I am a Platform/Site Reliability Engineer with 14 years of experience, including 3.5 years in web development, focused on CI/CD optimization, Kubernetes orchestration, and cloud infrastructure automation. I have a proven record of reducing deployment times, managing multi-cluster environments, and leading complex infrastructure migrations that improve developer velocity and operational resilience.
Throughout my career I have implemented Terraform and GitOps practices, built reusable CI/CD templates adopted across many repositories, and delivered measurable cost and performance improvements—such as a 38% CI build time reduction, 4x release velocity increase, and 25% infrastructure cost savings—while strengthening security and SOC2 readiness.
Experience
Work history, roles, and key accomplishments
Platform Engineer
Yum! Brands
Oct 2024 - Sep 2025 (11 months)
Accelerated monorepo CI/CD pipelines, reducing build times by 38% and improving developer velocity across three brands and five markets; architected reusable GitLab CI templates adopted by 25+ repos and modernized critical dependencies for maintainability.
Senior Site Reliability Engineer
Ava
Mar 2023 - Oct 2024 (1 year 7 months)
Increased release velocity 4x by migrating critical services from Jenkins to GitHub Actions and reduced infrastructure costs by 25% via autoscaling and right-sizing; implemented AWS hardening for SOC2 and migrated services to Kubernetes using Crossplane.
Senior Site Reliability Engineer
Bestow Life Insurance
Feb 2020 - Oct 2022 (2 years 8 months)
Administered six GKE clusters with Argo CD and cert-manager, deployed GitHub self-hosted runners using workload identities, refactored Terraform and Kustomize patterns, and established monitoring with New Relic and Open Metrics.
Cloud Chief Architect
Aurea Software
Jul 2017 - Jan 2020 (2 years 6 months)
Architected Kubernetes infrastructure for enterprise clients using custom Ansible modules for bare-metal clusters, centralized ELK logging on AWS, automated MongoDB replica management with controllers, and built a Go data-migration tool for acquisition consolidation.
DevOps Engineer
Scalable Path
Jun 2014 - Jul 2017 (3 years 1 month)
Orchestrated 42 microservices on DC/OS (Mesos), pioneered early Kubernetes adoption for a fintech client, containerized Ruby and Java apps, and designed backup and disaster recovery protocols for mission-critical infrastructure.
Education
Degrees, certifications, and relevant coursework
Pontificia Universidad Javeriana
Master's degree, Electrical and Electronics Engineering
2014 - 2016
Completed a Master's degree in Electrical and Electronics Engineering from 2014 to 2016.
Universidad del Quindío
Bachelor's degree, Electrical and Electronics Engineering
2001 - 2006
Completed a Bachelor's degree in Electrical and Electronics Engineering from 2001 to 2006.
Tech stack
Software and tools used professionally
Availability
Location
ColombiaAuthorized to work in
Job categories
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