Freelancer profile translated to English.

Description

Systems Architect and DBA specialized in critical public administration infrastructure.

I have over 2 years of experience deploying and maintaining critical infrastructure for more than 20 city councils and provincial governments across Spain. I was directly responsible for 24/7 monitoring of DGT services in Madrid for over 14 months and for the production maintenance of over 70 corporate services, resolving +1,900 incidents and performing downtime-free migrations.

How can I help you?

- Databases: Oracle, MySQL, and MariaDB administration with DBA role. Query optimization, tablespace management, PRO/PRE cloning, WildFly and GlassFish integration, documentation, and procedures.

- Monitoring: Zero-to-hero deployment of Zabbix + Grafana + Graylog. Alert design, dashboards, and agents in multi-site environments.

- VMware vSphere Virtualization: Migrations, datastore management, PowerShell scripting for virtual environment analysis.

- Security: SSL VPN over Sophos, cyber incident management, 2FA/MFA, FNMT digital certificates.

- Backup and Continuity: Commvault, AWS S3 integration, recovery procedures.

- Automation: Bash, Python, and PowerShell for repetitive tasks and system integration.

I am comfortable working as a single point of contact or integrated into internal teams. Available for remote projects and projects in Andalusia. Rate adaptable based on project complexity - write to me and let's discuss.

Languages

Spanish
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

Colaborum S.L.
Systems Architect Level 2
CONSULTING AND AUDITS
March 2024 - Today (2 years and 5 months)
Málaga, Spain
Responsible for critical infrastructure in multi-site production environments (Madrid and Malaga), with over 1,900 tickets resolved in two years.
• • Databases: Advanced administration of Oracle, MySQL, and MariaDB with DBA roles in production and pre-production. Schema cloning, tablespaces, triggers, views, and WildFly–Oracle and GlassFish–Oracle connection pools. Technical documentation and restart procedures for the corporate core with over 70 services in production.
• • Monitoring: Zero-to-hero deployment and continuous maintenance of Zabbix + Grafana + Graylog. Responsible for monitoring DGT services in Madrid for +14 months, Digital Signature, and PID electronic notification service.
• • Virtualization: VMware vSphere in Data Centers in Madrid and Malaga: migrations, storage reorganization, cluster deletion, and PowerShell scripting for virtual environment analysis.
• • Deployments: Production maintenance and deployment of municipal and tax management applications in more than 20 city councils and provincial governments throughout Spain.
• • Security: SSL VPN administrator on Sophos firewall. Cyber incident management, malware analysis, and periodic threat review.
• • Infrastructure & Cloud: Server and NAS (OpenMediaVault) migrations with zero downtime for city councils and provincial governments in Andalusia. Commvault for business continuity. Docker for service isolation. Research into automation with AWS S3
◦ · Basic knowledge of AWS (EC2, S3, networking, and storage).
• • Administration and Support: cPanel, Redmine, Microsoft 365, Teams, Citrix remote desktop platform, user lifecycle management (hires, terminations, 2FA/MFA), and FNMT digital certificates.
Web Development VMware vSphere Oracle Docker Grafana
Axarnet
Intern Technician
February 2020 - June 2020 (4 months)
Málaga, Spain
Internship in hosting and server administration: technical support, domain management, and cPanel/Plesk environments.