Luis – Kubernetes, Amazon S3, Ansible

A localization management platform that helps development teams streamline translation workflows and deliver multilingual applications faster. The platform supports cloud and on-premises environments, enabling scalable integrations, secure deployment processes, and reliable infrastructure to improve product availability and operational efficiency.

• Led successful migration of several complex applications to the cloud, implementing high availability, reliability, observability and decoupling improvements.
• Led several applications refactoring to take advantage of CDN and object storage ( S3 ), reducing latency and load time.
• Researched and implemented of HA for Redis clusters, including applications reconfiguration without downtime, to achieve better resilience through automatic failover.
• Led the migration from bare-metal Elasticsearch clusters to cloud instances, including indices routing to different group of data nodes, depending on application functionalities and expected load.
• Implemented Victoriametrics as centralized metrics storage, to be able to query all environment’s data and efficiently manage dashboards and alerting.
• Worked along development teams to ensure security and best practices while defining micro-services architectures in the cloud.
• Created production-grade Kubernetes ( EKS ) clusters, with focus on scalability, reliability and security. Implemented GitOps ( ArgoCD ) to ensure systems and applications configuration according to a single source of truth.
• Migrated Graylog cluster from on-premises to Kubernetes, including the resizing of the cluster for increased load and frequent components upgrade.

An AI-powered commerce search and discovery platform that helps retailers deliver personalized search, navigation, and product recommendation experiences. The platform enables businesses to improve product discovery, increase customer engagement, and drive higher conversion rates through scalable search infrastructure and intelligent data processing.

• Led the successful implementation of a complete CI/CD pipeline, including integration/functional tests and automatic deployment.
• Migrated several Kubernetes applications to Helm, leading to the standardization of application definitions and packaging.
• Maintained infrastructure across cloud and on-premises environments.
• Supported developers in integrating applications with cloud APIs.
• Automated multi-cloud infrastructure using Terraform and Atlantis.
• Managed large Elasticsearch clusters.
• Collaborated with clients to support product deployment within their infrastructure.

A cloud-based communication platform that enables businesses to deliver voice, messaging, and customer engagement services at scale. The platform provides reliable, secure, and highly available infrastructure to support real-time communications and global service delivery.

• Automated infrastructure with Terraform and Ansible across cloud and on-premises environments.
• Managed AWS infrastructure and security, including EKS, EC2, IAM, networking, and storage.
• Deployed Kubernetes applications using Helm and AWS EKS.
• Built and optimized Docker images, registries, and vulnerability scanning.
• Developed Jenkins CI/CD pipelines and automated deployments on AWS and OpenStack.
• Deployed and maintained the ELK stack, including monitoring and security.
• Administered Red Hat Enterprise Linux systems and MongoDB replica sets.
• Performed Linux hardening, vulnerability scanning, and CIS compliance.

A digital experience and marketing platform that helps brands create, manage, and deliver personalized web experiences and marketing campaigns. The platform relies on scalable cloud infrastructure to ensure reliable application delivery and high availability.

• Created cloud infrastructure on AWS, including load balancing, autoscaling, firewalls, alarms, and Docker container deployments.
• Managed services including EC2, ECS, ECR, ELB, CloudWatch, EFS, S3, Route53, RDS, and Autoscaling.
• Managed logs with Graylog, ElasticSearch, and MongoDB.
• Implemented continuous integration workflows with Jenkins and Docker.
• Managed configuration with Ansible through role and playbook definitions and system hardening.
• Provisioned and configured virtual servers on vSphere and AWS EC2 with Vagrant and Ansible.
• Administered Linux servers across RHEL, CentOS, and Ubuntu environments.
• Configured SAN and NAS storage.
• Installed and configured Apache 2.4 and Tomcat 6 servers.
• Planned and configured high-availability architectures with HAProxy and keepalived.
• Automated infrastructure provisioning with Terraform and Vagrant plus Ansible.
• Configured Docker Swarm clusters, Docker Registry, and related services.
• Indexed and processed logs with Graylog, ElasticSearch, and rsyslog.
• Administered MySQL database servers, including installation, optimization, and replication.
• Troubleshot operating system incidents.

A technology services environment focused on managing and maintaining enterprise Linux infrastructure. The platform supported web applications through automated configuration management, reliable application deployments, server provisioning, and continuous operations to ensure the availability of critical production systems.

• Administered Linux systems across an infrastructure of more than 800 servers.
• Managed RHEL and CentOS 6 and 7 operating systems.
• Provisioned servers in production and pre-production environments, including storage, networking, software, and services.
• Managed virtual servers in VMware ESX 5.5 environments.
• Maintained operating system software through updates and security patching.
• Administered Apache 2.4 web servers.
• Administered WebLogic 10 and 11 and Tomcat application servers, including installation, configuration, tuning, and deployments.
• Installed and configured open-source software such as Postfix and Squid.
• Monitored systems with OVO and SiteScope.
• Provided 24x7 on-call support for production environments.

A technology platform supporting enterprise applications through Linux-based infrastructure and middleware services. The environment relied on Apache HTTP Server and Oracle WebLogic for hosting business applications, with bare-metal servers configured, secured, and maintained to provide reliable, high-performance production operations.

• Administered an architecture of more than 200 servers with Apache and SunOne web frontends and WebLogic backend application servers.
• Administered UNIX Solaris and Linux RHEL servers.
• Configured and tuned Apache and WebLogic servers.
• Wrote WLST and weblogic.Admin scripts.
• Performed advanced shell scripting with Bash, Python, and Perl.
• Monitored processes and systems.
• Managed web and application servers, including testing and start-stop operations.
• Automated tasks with Expect for password rotation and server data extraction.
• Tested service interconnections and handled incidents.
• Administered Vignette content management systems.
• Installed Apache and WebLogic instances.
• Managed functional and system incidents.
• Provided 24x7 on-call support.

A Linux-based infrastructure environment supporting enterprise applications through Apache HTTP Server and Oracle WebLogic. The platform provided reliable application hosting and middleware services to ensure stable, secure, and efficient production operations.

• Administered UNIX Solaris 10 and Linux RHEL and CentOS servers.
• Tuned systems across file systems, descriptors, networking, and memory.
• Administered OpenFiler storage servers.
• Administered WebLogic 11 and Apache and Tomcat application servers.
• Wrote shell scripts for monitoring, backups, and task scheduling.
• Managed network parameters including subnetting, IP forwarding, and routing.
• Installed and configured system monitoring with Icinga and Nagios.
• Administered high-availability environments with SunCluster, Veritas Volume Manager, and ZFS.
• Managed Solaris zones.
• Managed XEN virtualization on CentOS.
• Created and configured virtual servers, including CPU, memory, storage, and networking.
• Maintained virtual servers and storage systems.
• Managed RAID volumes and shared disks through iSCSI and Samba.
• Provided 24x7 on-call support.

Managed infrastructure environment supporting customer-facing enterprise applications on Linux-based systems. The platform relied on Apache HTTP Server and Oracle WebLogic to deliver reliable application services, with continuous monitoring and operational support to ensure high availability and stable production performance.

• Administered Linux and UNIX Solaris systems, including users, permissions, file systems, communications, patching, and package installation.
• Administered Apache, Tomcat, iPlanet, and WebLogic application servers.
• Installed servers, configured applications, and renewed SSL certificates.
• Administered LDAP servers with Sun Java System Directory Suite.
• Performed advanced shell scripting for monitoring, data extraction, file system management, and LDAP information processing.
• Installed base software and compiled and installed Apache servers and modules on Red Hat Enterprise Linux and CentOS.
• Performed functionality and stress testing with Apache JMeter.
• Tuned systems across file systems, descriptors, networking, and memory.
• Administered high-availability environments with Veritas Cluster, HP-UX Service Guard, and SunCluster.
• Managed disks with Veritas Volume Manager and ZFS.
• Managed Solaris zones, including network, virtual IP, file systems, and software configuration.
• Resolved incidents with data center servers.
• Managed network parameters including subnetting, IP forwarding, and routing.
• Provided 24x7 on-call support.

A telecom platform supporting business-critical services through a Linux-based infrastructure and middleware environment. The platform relied on enterprise middleware technologies to ensure reliable application hosting, stable operations, and high availability for production systems.

• Worked directly with the Orange client to deliver statistical and application performance reports and resolve end-user incidents.
• Maintained J2EE applications.
• Analyzed Java application architectures, including installation, updates, and functional incident resolution.
• Administered application instances through UNIX Solaris 9 and Linux Red Hat Enterprise environments.
• Performed UNIX console operations for application logs, file systems, and permissions management.
• Wrote advanced shell scripts in ksh and Bash for instance monitoring, log data extraction, statistics, application maintenance, and database data loading.
• Administered WebLogic 7 and 10.1 application servers, including installation, deployment, startup, shutdown, and SSL certificate renewal.
• Administered Apache and Tomcat servers.
• Used WLST for WebLogic administration and performance data extraction.
• Performed functional and performance testing in non-production environments and promoted new code and features to production.
• Installed software on servers, deployed applications, and executed acceptance tests.
• Provided 24x7 on-call support for web application incidents and incident reporting.