Juan Carrillo

Senior DevOps Engineer

X-Team

Sep 2023 - Current (2 years 8 months)

• Migrated Jenkins CI/CD pipelines to GitHub Actions, improving automation efficiency and enabling seamless build processes. • Managed complex AWS infrastructure (EKS, IAM, Terraform) to ensure reliability, scalability, and compliance with security standards. • Designed Helmfile configurations for streamlined Kubernetes deployments and efficient scaling. • Enhanced infrastructure observability by implementing Datadog for monitoring EKS clusters, ensuring optimal performance and uptime. • Configured Fastly CDN and WAF for robust security and improved content delivery. Technologies used: Jenkins, GitHub Actions, AWS (EKS, IAM, Terraform), Kubernetes, Helmfile, Datadog, Fastly CDN, WAF.

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Senior DevOps Engineer

Framework Sciences

Mar 2023 - Sep 2023 (7 months)

• Implemented ArgoCD for Kubernetes application deployments, reducing manual intervention and ensuring consistent and reliable deployment processes. • Developed scalable GCP infrastructure using Terraform, optimizing cost-effectiveness and resource utilization. • Administered Kubernetes clusters (GKE) using Helmfile and ArgoCD to enhance deployment automation and scalability. • Integrated KEDA for dynamic Kubernetes scaling based on Pub/Sub workloads, significantly improving resource efficiency. • Enhanced secrets management by deploying the External Secrets Operator, ensuring secure and automated configuration updates. Technologies used: ArgoCD, Kubernetes, GKE, Terraform, Helmfile, KEDA, Pub/Sub, External Secrets Operator.

Senior DevOps Engineer

Uber

Jun 2022 - Feb 2023 (9 months)

• Engineered an OpenVPN failover solution in AWS for 100+ users, ensuring continuous connectivity during outages. • Designed and deployed Terraform and Terragrunt configurations for scalable AWS infrastructure management. • Managed multiple Kubernetes clusters using Helmfile for efficient deployment of microservices. • Migrated infrastructure from KOPS to EKS, leveraging AWS native solutions for improved operational performance. • Refactored DevOps pipelines using CircleCI to optimize build and deployment workflows.

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Senior SRE Engineer

May 2018 - Jun 2022 (4 years 2 months)

• Architected and deployed Apache Kafka clusters in AWS and GCP using Terraform and Ansible, enabling high-performance event streaming. • Managed Kubernetes clusters (KOPS, EKS, GKE, AKS) and implemented Helm charts for scalable, high-availability deployments. • Led a large-scale migration of 1,300+ instances from AWS to GCP, leveraging Compute Engine, Cloud Storage, and Cloud SQL to ensure seamless transitions. • Optimized multi-cloud costs with Python scripts, reducing AWS spend by $5,000/month and enhancing resource efficiency across Azure and GCP. • Developed CI/CD pipelines with Jenkins and Azure DevOps, integrating configuration management tools like SaltStack, Terraform, and CloudFormation. • Deployed Dockerized environments fo

Senior DevOps Engineer

freelance

Feb 2018 - Oct 2021 (3 years 9 months)

• Automated Rancher cluster deployment for 40+ nodes using Terraform, Ansible, and Bash, optimizing Docker orchestration. • Migrated Python/Django applications to Docker containers, streamlining deployments and improving resource utilization. • Developed CI/CD pipelines for Python and Java applications using Jenkins, Bitbucket, and Nexus, ensuring efficient delivery processes. • Optimized infrastructure costs by migrating high-traffic web applications to GCP, leveraging preemptive VMs for significant savings. • Standardized Docker application deployments by creating Jenkins pipelines, improving build and deployment workflows. • Improved application security by identifying and addressing critical SQL injection vulnerabilities. Technolo

Senior DevOps Engineer

BBVA

Nov 2017 - May 2018 (7 months)

• Led a DevOps team for two months, ensuring the successful delivery of critical projects while mentoring junior team members. • Refactored a mission-critical Teradata, Bash, and Hadoop script, reducing execution time by 50% (from 18 hours to 9 hours) and streamlining code from 3,000 to 200 lines. This significantly improved processing efficiency and resource utilization. • Optimized infrastructure costs by eliminating ephemeral storage dependencies, leveraging Linux named pipes and in-memory processing for enhanced performance. • Streamlined workflows and implemented process automation, minimizing repetitive tasks and improving team productivity. • Collaborated with data engineering teams to manage complex data pipelines and ensure th

DevOps Engineer

KIO Networks

Oct 2016 - Nov 2017 (1 year 2 months)

• Developed and automated virtual machine provisioning processes using custom PowerShell and Bash scripts, reducing deployment times and minimizing manual errors. • Troubleshoot complex IPsec issues with external clients, ensuring secure and reliable VPN connections for mission-critical operations. • Optimized network configurations, including firewall rules and VPN settings, to enhance security and connectivity across client integrations. • Conducted system health checks and implemented monitoring solutions for virtualized environments, ensuring high availability and operational efficiency. • Supported the deployment and management of hybrid cloud environments, enabling seamless scalability for customer projects. • Achieved Microsoft

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System Administrator

DAE-IPN

Sep 2007 - Oct 2016 (9 years 2 months)

• Led a 3-member technical support team to deliver IT services to 250+ users, ensuring high system availability and efficient operations. • Architected and deployed virtualization and server clusters, including a 5-node Hyper-V cluster and an 8-node IIS web server cluster, supporting 110,000+ users with seamless performance. • Enhanced network reliability by transitioning a 250-node network to automated DHCP management, VLAN segmentation, and high-availability firewalls. • Designed and managed Active Directory infrastructures for 250+ users, integrating 500+ computers and implementing 120 group policies to secure configurations. • Implemented a WAN interconnecting 71 remote sites using pfSense firewalls and OpenVPN, improving communica

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