Responsibilities & achievements

Technical review/comparison between Cloudwatch and Prometheus Node Exporter to get monitoring and alerts for plain EC2 instances, deploy prof of concept. l Prof of concept, Loki and Fluentbit to get logs for plain EC2 instances. l Prof of concept, Grafana Dashboard for Node Exporter monitoring of plain EC2 instances. l Ansible playbook to deploy Prometheus Node Exporter in plain EC2 instances in all the active VPCs. l Configure kube-prometheus-stack Helm chart to add monitoring for plain EC2 instances.

Responsibilities & achievements

AWS Workspace Client, adaptation to not official Linux workstations. l Review initial policies for Azure DevOps Organizations and Projects defined. l Review and correct, Ansible Playbooks for CI/CD Pipelines. l Deploy SQL Server and Azure SQL Server dev environment. l Migrate Initial infrastructure project (Jira, Confluence, Github Enterprise, Jenkins) to Azure DevOps Project.

Responsibilities & achievements

Training for connection to actual infrastructure. l Define new standard for Linux Worstations to connect to the client private network, Automate Citrix Workspace connection and MFA authentication. l Review and design initial prototype for Alternatives in AWS for actual BI/ETL applications/frameworks used in the on-premise datacanter l Cloud Datalake proposal, initial review (Dreamio + AWS Glue).

Responsibilities & achievements

Terraform templates to build VPC, subnets, apps and auto scaling/load balancing policies for coTURN and WebRTC Janus plugins. l Change in load balancing for coTURN Terraform Template, to use Round Robin DNS load balancing, involve Route 53 additional Policies applied with AWS Lambda Python 3.8 events launched when new AWS instances get changes. l Assessment review of needed updates, vulnerabilities and additional tools, for RoR projects deployed in AWS and Azure. l APM review and implementation for RoR project, vulnerabilities/performance real time metrics. Migration from CentOS 6 and CentOS 7 instances to CentOS 8, using PXE Boot, Kickstart and Puppet to manage deployment in different roles. l Deploy k3s (K8S certified) in replacement of old “container” servers. l Prepare initial plan to migrate apps for PROD and CORP environments from on-premise Data centers (San Jose y San Francisco Locations) to Cloud Provider, reviewing options for Database HA creation and Migration l Jenkins CI/CD pipelines re-engineering for adapt projects to Multi-tenant deployment.

Responsibilities & achievements

l Resume SRE/DevOps methodologies halted by 6 months in client. l Ansible playbook to rebuild new Production Load Balancer in Google Compute Instance, updated OS, automatic updates, nginx proxy load balancer policies. l Ansible playbook to deploy automatically Let’s Encrypt certs with automatic renew every 60 days with systemd timers. l CloudFormation templates to launch VPC/RDS/RDSProxy/DocumentDB and attach Serverless Framework apps, for Dev, Test and Prod environment, stored in AWS CodeCommit and Test/Build with CodeBuild/CodeDeploy Planing process for GCP platform usage. l Terraform config to build initial infrastructure (16 GCP Projects and related resources) l Python Connector to Extract data from reports tools, based in k8s app. l Python/Flask API to get BigQuery Data, roles and permissions in FireStore, deployment in Google Cloud Run, CI/CD with GitlabCI. l Terraform config and bash scripts to build Apache Druid Cluster, 4 compute instances, Zookeeper, Cloud SQL, Google Storage

Responsibilities & achievements

Migrate project (15+ repositories) from Bitbucket to Gitlab. l Migrate CI pipelines for backend, Android and iOS; from Jenkins to GitlabCI. l Expand GitlabCI pipelines to manage CD to backend and Android/iOS. l Deploy Kubernetes in AWS, using EKS first and Kops later, with Dev and UAT/Stage environments. l Implement HPA and Cluster Autoscaler in k8s/Kops deployed. l Prepare Gitlab project management for new Fintech in Colombia, manage initial MVP deployment. l Migrate from AWS to Azure the previous deployed k8s/Kops to Azure AKS, using Terraform and AZ-CLI, for Dev and UAT/Stage environments. l Build and deploy centralized database operation application, programmed in Django/Python, deployed with Terraform in Dev and UAT Environments, documented to be deployed in Prod by another team. l Define GitlabCI Pipeline to check and build l Define GitlabCI Pipeline to check and build VPC/EKS/RDS/DocumentDB/ElastiCache environment and metric-server service in EKS, to be used in Dev/QA/Prod Environments, using GitlabCI, CloudFormation, Kubectl and Helm.

Responsibilities & achievements

l Migrate microservicess applications from containers (AWS ECS + ELB) to serverless (AWS Lambda + API Gateway). l Ansible playbooks for maintain updated microservices. l Ansible playbooks for deploy frontend servers. l Gitlab-CI for frontend and updated microservices for dev and master branches. l CD pipelines (with Gitlab-CI) to deploy changes in the gitlab repo, for frontend code to EC2 instances, and microservices code stored in AWS Lambda. l Admin application for new one migrated to AWS Lambda. l Module development for collect info for jobs interests as referring, and launch emails with offers related to students. Python 3.6, Django 2.0 and AWS Lambda Based. Migration from On Premise Server to Azure Cloud, Ansible playbooks for deploy and migration process. l Implementation of Information Security policies in deployment process, according to PCI and CCSP programs.

Responsibilities & achievements

Migrate deployment bash scripts to Ansible playbooks for developer and production instances. l Basic Ansible Roles for Server, Application and Databases. l Ansible playbooks to check in all database servers, database user with sudo perms for admin and database/db user correct status, database report data space used and database report backup space used. sensitive inventory info stored in ansible vault files. l Migrate developer instances from Vagrant to LXDock and Ansible playbooks, build LXDock instances for applications, ensure NodeJS 8 used in Vagrant, LXDock and Dev instances. l CI with TravisCI for Github apps. l TravisCI deployment, to replace old CD process from deployment of Vagrant Images to AWS and VMWaree instance creation. l Initial research to use Packer to build images, first for vagrant and Vsphere images later. l LXDock/ansible playbooks for deployment in Linode servers, fail2ban configured, and ssh keys deployment. l Update *deb files produced (more dependencies, specific dependency for NodeJS8 package installed from NodeSource repository). l Update golden vmware images to Ubuntu 18.04, Cloud-Init, Packer and Ansible. l Ansible playbooks to: · Enable data-checksum in PostgreSQL databases, copy installed PostgreSQL clusters in new clusters with datachecksum enabled and change PostgreSQL configurations to replace the old cluster with new cluster. · Create PostgreSQL database backups. · Launch new EC2 machines with PostgreSQL installed to check the PostgreSQL database backups validity, after backup validation destroy the EC2 launched.

Responsibilities & achievements

Ansible playbooks for deploy development and production environment. l Migration from old infrastructure to new infrastructure in cloud. l Change the deploy process in production in two parts, stage and production. l Implement Gitlab and Gitlab-CI for project management and CI. l Golden Images with Packer and Ansible. l Deploy Golden Images in PROD and DEV environment with Terraform. l Deploy Jenkins for CI works. l Research Terraform, CloudFormation, TravisCI, GitlabCI. Redeploy sites from AWS Classic to AWS with Security Groups. l Begin to automate the deploy process of applications and services with Ansible playbooks for development and test environments.. l Deploy and review NewRelic monitoring tools. l Review with developer teams the results from monitoring tools and order the deployment process from this teams. l DBA, review and re-configure production’s DB (generate indexes, reconfigure tables/databases, manage history and maintain quick responses). l Deploy Jenkins CI tool for test and stage environments. l Review/Deploy of Jenkins jobs for build Dev and Test environments, (migration from old bash scripts to Jenkins jobs invoking Ansible playbooks) l Research for use Gitlab for alternatives to JIRA for Project management and CI tool integration. l Development for AI evaluation from text (news notes) evaluated. l Maintain different evaluation for different clients for the same new note. l Optimize learn process in production environment. l Gitlab used for project management and CI process. l Maintain different semantic/linguistic evaluation for different clients for the same new note. l Deploy the site in containers deployed with LXD instances (previously was with Docker).

Responsibilities & achievements

Sysadmin role for Linux server administration in development, test, stage and production environments in Datacenters, l CentOS deploy process for different environments (dev/test/pre/stage/prod) with Cobbler for basic server deploy and app deploy/config with Puppet configuration management tool. Migration from OpenXchange 4 to Zimbra Collaboration Suite 8.1 with account/password preservation from Open Xchange LDAP to ZCS LDAP. l Propose Migration strategy and migrate from old Samba3+LDAP Domain Controller (NT Compatible) to Samba4 Directory Domain Controller (Active Directory Compatible). l Implement virtualization using Open Source tools (Citrix Xen Cloud Platform) for fast provisioning and provide a base for a private cloud in the future. l Implement Glassfish 4.x Java Application Server and migrate apps deployed previously in Tomcat 5. l Full and transparent synchronization from Cyrus IMAP folders to Zimbra Mail IMAP structure. l Propose and implement Open Source tools for sysadmin and development work. l IT Consultant in Open Source alternatives to be implemented in e-Gov applications.