Freelancer profile translated to English.

Description

Linux system administrator specializing in enterprise critical environments. Primarily working with Linux servers and Docker containers in on-prem infrastructure, helping companies maintain stable, secure, and well-organized systems without needing to migrate to the cloud.

I focus on practical solutions: maintenance, basic automation, containerization of existing services, and system hardening. Ideal for companies needing reliable technical support without a full-time in-house administrator.

Specialties

Linux Server Administration (Debian/Red Hat/HP-UX/AIX/Ubuntu)

Docker and Docker Compose

Containerization of existing services

Basic hardening and security

Backups and monitoring

Incident resolution

Critical enterprise environments (on-prem)

Languages

Spanish
Native or bilingual
English
Fluent

Workplace preferences

Remote only

Primarily works remotely

KABEL - AVANADE - ISOIN
IT SYSTEMS ADMINISTRATOR TECHNICIAN
June 2022 - June 2025 (3 years)
Almeria, Spain
• - Unix Systems Administration
◢ • L3 Incident Resolution
◢ • Maintenance of Red Hat, HP-UX, Oracle Linux, and Centos servers (Various versions)
◢ • Maintenance of Veritas, ServiceGuard, and Exadata clusters
• - Unix Project Management
◢ • Deployment of servers with VMware
◢ • Server upgrades and installation of packages and software
◢ • Volume and disk management
• - Application of Security Bulletins (patching and DISA compliance)
• - Client-side storage administration
• - Monitoring with Grafana and M360
• - Script generation with Bash, Ansible, and BSA
METRICA
LINUX SYSTEM ADMINISTRATOR L3
June 2025 - Today (1 year)
Vallelado, CL, Spain
• - Unix Systems Administration
• • L3 Incident Resolution
• • Ticketing management with ServiceNow
• • Linux Server Maintenance
• • Server maintenance with VMware
• • Server upgrades and installation of packages and software
• • Volume and disk management
• - Script generation with Bash and Tower
Linux System Administration Hardening VMWARE
DXC TECHNOLOGY
IT SUPPORT TECHNICIAN
September 2020 - June 2022 (1 year and 9 months)
Avilés, AS, Spain
• - L3 Incident Resolution
• - Unix and Windows Systems Administration
◢ • Windows Server and Red Hat, Centos
◢ • Server maintenance
• - Application Support
◢ • SGS
◢ • UrbanCode
◢ •
• - SQL DB2
• - Monitoring with Grafana
• - Jira