Senior Linux System Administrator @ Dev Salsa
Sep, 2021 - Present
Terraform
Bash Scripting
Monitoring
Proxmox VE Virtualization
Docker orchestration
I'm a system administrator with more than 10 years of experience in the development of solutions for linux servers and infrastructure.
I'm specialist in planning and execute resilent projects
from scratch, ensuring quality and long term service. I also have a lot of experience working with virtualization and containerized environments, process automation and database clusters.
Senior Linux System Administrator @ Dev Salsa
Sep, 2021 - Present
Terraform
Bash Scripting
Monitoring
Proxmox VE Virtualization
Docker orchestration
Senior Linux System Administrator @ Join Brands
Nov, 2021 - Present
Cloud Management
DevOps
Security
Distributed computing
Database administration
Senior Linux System Administrator @ NEUBOX
Dec, 2019 - Oct, 20211 year 10 months
GNU/Linux server administration (Centos and Debian).
Multi-stage design, testing and deployment of Kubernetes on premise cluster.
Technology upgrades and internal services migrations.
Level 3 support specialist.
Bash Scripting automation.
Networking.
Nagios XI and PRTG monitoring.
Cloud Linux/cPanel and Direct Admin web server upgrades and tuning.
Scripting to automate cPanel user account migrations.
Development of a master plan for data analysis and business intelligence used to predict and optimize hardware resource allocation, purchasing, etc.
Datacenter upgrade desing.
Redundant infraestructure renovation.
Inventory improvement with GLPI.
Ansible automation
HA-proxy load balancing
Proxmox VE Virtualization
MySQL database administration
MongoDB sharded cluster administration
IT Infrastructure Manager @ Corporativo Ubícalo
Apr, 2018 - Dec, 20191 year 8 months
Advanced administration of GNU/Linux servers (Centos and Debian).
Server Virsualization and administration with PROXMOX VE.
Hardware and software monitoring system based on Zabbix 3.x/4.x.
Migration for legacy applications to distributed computing
Design, test and deployment in productive DC/OS Mesosphere environment, as Docker orchestrator.
Gitlab CI/CD Administration.
Database administration (MySQL, MariaDB, PostgreSQL).
MongoDB stand alone and sharded clusters implementation and administration
Distributed storage management (NFS, DRBD, BeeGFS).
Task automation with Bash Scripting.
Network infrastructure administration (switching, routing and firewalls) in productive and corporate environments..
Switches and VoIP Phone service administration between branches and corporate office.
Maintenance of the company's infrastructure and information technologies.
Creation of manuals and technical procedures, inventories and incident management.
Networking
Proxmox VE Virtualization
DC/OS Orchestration
Infrastructure
Administrative procedures
System administrator and customer support @ e-multimedia S.A. de C.V.
Apr, 2016 - Apr, 20182 years
Corrective and preventive maintenance to web servers (over 50 servers).
Implementation and tuning of new dedicated servers, cloud servers, VPS's.
Shared Web Hosting, Reseller Hostings and cloud servers system migration.
Database maintenance (SQL, MySQL) and backup of information.
Task automation with Bash Scripting.
Maintenance of infrastructure and information technologies of the company.
Responsible for optimizing costs and raising SLA's for web servers, email, databases and storage for SaaS.
Improvement proyect leader; implementation of infraestructure mantenance schedules, SVN, GIT, IP phone services, storage servers, backup information control, etc.
Basic security testing of servers and software.
Support
Administrative procedures
MySQL database administration
SLA
Main owner @ EAmarillo | Soluciones Web
Jan, 2012 - Apr, 20164 years 3 months
Design and implementation of customized server solutions.
Web sites, education platforms, file managers, mailing, social media, SEO, CRM and cloud developments.
Windows and Linux servers administration.
SaaS.
Linux Administration
MySQL database administration
Proxmox VE Virtualization
HP Technical support @ Servicios SSI integrales S. de R.L. de C.V.
Feb, 2015 - Nov, 20159 months
Technical support to clients from all over Latin America in HP computing and printing equipment.
Investigation, tracking and testing of new problems in HP equipment.
Problem Resolution
Reseach
Sales executive @ Meganucleo SA de CV
Jun, 2012 - Nov, 20125 months
Sales of VoIP, analog and digital telephones; servers, switches, CCTV, and Linux systems consultancy and support.
Infrastructure
Linux Administration
Administration
Support
Monitoring
Automation
Security
Migration
File Systems
Swarm Orchestration
DC/OS Orchestration
Bash scripting
CI/CD
VCS Adminstration
Security
Terraform
Ansible
File Systems
Database clustering
Queue Clustering
Load Balancing
Backups
Virtualization clustering
Switching
Routing
Firewalls
VPN
Power distribution
Cooling
Storage
Inventory
Bash
Python
Mysql
MongoDB
PostgreSQL
Proxmox VE
Zabbix
Grafana
Nagios XI
PRTG
New Relic
RabbitMQ
Redis
Kong
Elastic Search
Ansible
HA-Proxy
Docker
GLPI
Git
Planning
Documentation
Information technology project management, Ongoing education @ Universidad Interactiva y a Distancia del Estado de Guanajuato
Dec, 2020 - Present
Geological/Geophysical Engineering @ Universidad Nacional Autónoma de México
Dec, 2006 - Dec, 2010
Technology
Ernesto es un extraordinario Sysadmin, orientado a resultados. Ético, profesional y enfocado.