2,000+
Linux and Unix servers included in an enterprise MFA deployment.
RHCSA Certified
Ansible · Automation · Monitoring · Linux · RHEL
Jose Antonio Fernández Guzmán
Linux / RHEL Systems Architect · Ansible & Automation Expert · Monitoring Specialist · Site Reliability Engineer
I design, automate, monitor, secure and operate Linux infrastructure at enterprise scale. I specialize in Ansible and AWX automation, enterprise monitoring, RHEL architecture and production reliability.
12+ years in Linux infrastructure · 2,000+ servers secured with MFA · 700+ systems automated with Ansible & AWX · 5,000+ systems under consolidated monitoring
Available for selected consulting engagements, short-term projects, infrastructure modernization, Ansible automation and monitoring projects.
Selected impact
Engineering that works at scale.
Enterprise automation and monitoring require consistency, repeatability and operational control across hundreds or thousands of systems.
700+
Servers managed through Ansible and AWX for updates and infrastructure automation.
4h → 5m
Weekly update workflow reduced from around four hours to five minutes.
5,000+
Windows and Unix systems monitored after consolidation into Opsview.
Profile
Linux engineering beyond administration.
I am a senior Linux / RHEL Systems Architect, Ansible automation specialist and Site Reliability Engineer with more than 12 years of hands-on experience.
I specialize in Ansible, AWX and infrastructure automation, enterprise monitoring platforms and Linux systems architecture, combining architecture with deep hands-on engineering.
My goal is to replace repetitive manual work with reliable automation, reduce technical debt and build monitoring and infrastructure platforms that are easier to operate and scale.
Core expertise
Ansible, automation and enterprise monitoring.
Deep hands-on experience designing automation and monitoring solutions for large enterprise Linux and Unix estates.
Ansible & Automation
Monitoring & Observability
Linux & Unix
Infrastructure
Security
Reliability & Leadership
Professional experience
From systems administration to automation and architecture.
NTT DATA Europe & Latam
IT Systems Architect · DevOps · Linux Technical Lead
- Designed and implemented Multi-Factor Authentication across more than 2,000 Linux and Unix servers.
- Migrated and upgraded Nagios monitoring for an estate exceeding 700 servers.
- Implemented AWX as a centralized Ansible automation platform for scheduled operating system updates across more than 700 servers.
- Reduced a recurring weekly update process from approximately four hours to around five minutes.
- Extended AWX automation to server deployment and decommissioning, Nagios registration, CMDB updates and DNS configuration.
- Introduced Git-based repositories for automation code and operational traceability.
- Modernized CMDB, GLPI and other infrastructure management systems.
everis
IT Systems Architect · DevOps · Linux Technical Lead
- Introduced Kanboard for the Burberry Linux infrastructure team.
- Consolidated five different monitoring technologies into Opsview.
- Migrated alerts and monitoring configuration for more than 5,000 Windows and Unix systems.
- Improved Nagios architecture and alert management.
- Built AWX automation workflows for patching and infrastructure operations.
TUYÚ Technology
DevOps · Systems Administrator
- Managed Red Hat Linux infrastructure supporting enterprise services.
- Built and maintained Nagios monitoring environments.
- Automated operations using Ansible and Ansible Tower.
Experis España
DevOps · Systems Administrator AIX & Linux
- Administered enterprise AIX and Linux infrastructure.
- Introduced Ansible automation for AIX systems.
- Automated configuration, package deployment and scripts.
Tenea Tecnologías
Systems Administrator
- Administered Red Hat servers supporting SAP, WebLogic and Oracle workloads.
- Managed enterprise storage using LVM, multipath and SAN.
- Automated administration with Bash, Ansible and Red Hat Satellite.
UPCnet
Linux Systems Administrator
- Managed Linux production and pre-production environments.
- Resolved Level 3 infrastructure incidents.
- Automated routine Linux administration through Bash scripting.
Selected engineering work
Automation and monitoring at enterprise scale.
Ansible / AWX
700+ server automation platform
Challenge
Weekly updates across hundreds of servers required repetitive manual operational work.
Engineering approach
Implemented AWX and Ansible as the centralized automation layer for patching and infrastructure lifecycle management.
Result
Reduced a weekly four-hour process to approximately five minutes.
Monitoring
5,000+ system monitoring consolidation
Challenge
Five monitoring technologies created fragmented operations.
Engineering approach
Consolidated monitoring into Opsview and migrated alerts and checks.
Result
Unified monitoring for more than 5,000 Windows and Unix systems.
Security
2,000+ server MFA rollout
Challenge
Standardize stronger authentication across a large Linux and Unix estate.
Result
MFA deployed consistently across more than 2,000 systems.
Automation
End-to-end server lifecycle automation
Engineering approach
Automated provisioning and decommissioning, Nagios registration, CMDB integration and DNS configuration using AWX.
Credentials
Red Hat certification and technical training.
Contact
Ansible, automation and monitoring for enterprise infrastructure.
Linux architecture, RHEL, Ansible automation, AWX, monitoring, reliability, security and technical leadership.
Available for selected consulting engagements, short-term projects, infrastructure modernization, Ansible automation and monitoring projects.