> Jesus Sanchez — Database Reliability Engineer_
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Jesus Alejandro Sanchez Davila

whoami

Jesus Alejandro Sanchez Davila

Senior Database Reliability Engineer

// Málaga, Spain

Technology enthusiast driven by continuous learning. 20+ years building and operating critical database systems — from Oracle University instruction rooms to 400K+ concurrent users on AAA game platforms.

01 Skills

Databases & Data Architecture

  • MySQL
  • PostgreSQL
  • Oracle Database
  • Oracle RAC
  • Elasticsearch
  • CouchDB
  • Cassandra
  • ProxySQL
  • SQL/PL-SQL
  • Data Modeling
  • ETL Scripts
  • Capacity Planning
  • HA & Replication
  • Performance Tuning

Infrastructure, DevOps & Cloud

  • Ansible
  • Terraform
  • Kubernetes
  • Docker
  • AWS
  • VMware vSphere
  • Oracle VM Server
  • ArgoCD
  • GitLab CI/CD
  • Chef
  • Git
  • OPNsense
  • Cloudflare
  • Self-Hosting

Monitoring & Observability

  • Prometheus
  • Grafana
  • Loki
  • Autosys
  • Alerting & On-Call

Programming & Scripting

  • Python 3
  • Bash/Shell
  • PowerShell
  • Java SE/EE
  • Unreal Engine 5
  • Blueprints

02 Experience

  1. Senior Database Reliability Engineer · Ionik Tech (split from The Workshop)

    2025-08 — Present · Málaga, Spain

    • Focus on automation and database reliability across the estate.
    • Developed an Ansible collection for MySQL and ProxySQL management.
    • On-call rotation covering MySQL, PostgreSQL, and Elasticsearch.
    • Ansible
    • MySQL
    • ProxySQL
    • PostgreSQL
    • Elasticsearch

  2. Senior Database Reliability Engineer · The Workshop

    2024-06 — 2025-07 · Málaga, Spain

    • Focus on automation and database reliability.
    • Developed an Ansible collection for MySQL/ProxySQL management.
    • On-call database support coverage.
    • Ansible
    • MySQL
    • ProxySQL

  3. Systems Reliability Engineer · Nutanix

    2024-03 — 2024-05 · Barcelona, Spain

    • Supported hyper-converged virtualization infrastructure for customers.
    • Handled customer support cases and ticket resolution.
    • Developed shell scripts to improve team efficiency.
    • Nutanix
    • Virtualization
    • Bash

  4. Information Technology Lead · Smilegate Barcelona

    2023-11 — 2024-03 · Barcelona, Spain

    • Mentored the team on Infrastructure as Code using Terraform and Ansible.
    • Managed IT budget and asset allocation.
    • Implemented monitoring stacks using Prometheus, Grafana, and Loki.
    • Terraform
    • Ansible
    • Prometheus
    • Grafana
    • Loki

  5. Senior DBA / Online Infrastructure Engineer · Massive Entertainment — A Ubisoft Studio

    2018-08 — 2023-10 · Malmö, Sweden

    • Managed critical databases for the Uplay PC platform, supporting 400,000+ concurrent users 24/7.
    • Leveraged AWS and Terraform for infrastructure automation.
    • Led complex database migrations with no service disruption.
    • Oracle
    • AWS
    • Terraform
    • HA & Replication

  6. Senior Oracle DBA / Developer · Intertec International (now FPT Software)

    2014-02 — 2018-08 · Heredia, Costa Rica

    • Reduced statistic gathering time by 12–55% through RAC-aware scripts.
    • Led the Oracle Database Certification Study Group.
    • Earned multiple Top Performer Awards.
    • Oracle
    • Oracle RAC
    • PL/SQL

03 Projects

04 Homelab Status

Live status from the self-hosted infrastructure behind these projects.

Metrics (Grafana snapshot)

Live status page

05 Public Repos

Recently updated public repositories, pulled live from GitHub and GitLab.

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06 Education & Certifications

Certifications

Awards

07 Contact

Have a question or an opportunity to discuss? Send a message.

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