David Barreda Email & Phone Number

Auburn Hills, Mi, Us

Wolfsburg, Niedersachsen, De

Responsible for the Unix/Linux, Ansible and k8s/Openshift practice for Region Americas (US, Canada and Mexico) supporting multiple group brands.Collaboration with local, regional and global teams for defining, engineering and implementing standards.Enabling the business with infrastructure to run AI/ML workloads.Product owner and SME for multiple applications such as Stackrox (RHACS), open cluster management (RHACM), Satellite, Ops Center, Ansible Automation Platform, Gitlab, observability stack (Grafana, rsyslog, Prometheus, ELK), etc.

Wolfsburg, Niedersachsen, De

Architect for Kubernetes infrastructure;Deep understanding for troubleshooting applications and operating systems;Lifecycle of server related purchasing (hardware, software and maintenance);Standardization of toolsets and procedures with multidisciplinary teams on multiple countries;SME for Red Hat products (Enterprise Linux, Ansible Tower, Satellite and Openshift) and Gitlab;Creating efficiencies which generated big savings in time on operations and economically while simplifying the servers environment;Experience on:- Automation with Bash and Ansible;- Performing disaster recovery plans;- Multiple DB engines (pgSQL, MySQL/MariaDB);- Security vulnerability and hardening remediations;- Using NetApp ONTAP (and deploying Select clusters);- Experience with OpenLDAP, FreeIPA (Red Hat IDP) and Keycloak;- SAN migrations on live environments on Oracle Solaris and Linux;- Web servers and load balancers (nginx, lighttpd, apache2, haproxy);- High availability solutions such as Oracle Clusterware and Pacemaker;- In-place upgrades for Enterprise Linux and Debian based distributions;- Changing the distribution on EL hosts in-place (CentOS, Red Hat, Oracle, etc);- Architecting solutions for SAP, SAP HANA, Oracle with and without ASM, physical and virtual and RAC;- Solaris CDOM’s, LDOM’s, zones and Oracle Enterprise Manager (deployment, rollout and operations).

Miguel Hidalgo, Mexico City, Mx

Unix/Solaris and Linux System Engineer. Patching Unix/Solaris and RHEL inventories every month. Including varied versions of each OS and clusters;Deployment of Solaris logical domains, zones and Linux physical and VM's using ESX virtualization;Solaris logical domains and zones migration in-between control domains;Sun Cluster;Direct interaction with customer and vendors;Service request follow up with customer and vendors;Coordinate hardware replacements onsite with vendors;Incident, change and problem management;Creation of work instructions for Unix regular activities;Red Hat Satellite administration;Steamlined the process of deployments from the request until it gets into production;24/7 On call for L2 and L3 incidents;Coordinated projects and the implementation;Vulnerability remediation; Other daily operations activities.Also, I worked on the development of the cloud operations schema and strategy. Which scope was to develop pricing plans, leverage of resources, contracts and setting up the business goals.

- Troubleshooting system and network problems and diagnosing and solving hardware or software faults; - Providing support;- Installing and configuring computer hardware, operating systems and applications;- Data backup and management;- IT support for third-parties when needed.

Cross platform developer (Linux port) for open source MMORPG game server project. Along with web tooling to support account management.