David Urrea

Linux System Administrator & Application Support Engineer

Dedicated System Administrator specializing in Unix systems and enterprise middleware. Building robust server environments and automating processes for secure, high-availability operations.

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Experience

Professional Experience

Application Support Engineer – Unix

AFIRME FINANCIAL GROUP

2024 – Present

Managing the complete lifecycle for over 60 critical financial applications, ensuring high availability and security across enterprise middleware platforms.

60+ Apps

Critical financial applications managed

Load Balancing

F5 BIG-IP and Apache-Proxy for uptime

Security Gateway

IBM Datapower & API Connect support

Monitoring

Dynatrace & Applications Manager

Key Achievement!

Core Payment System Operations

Entrusted with supporting Mexico's core payment systems (SPEI, SPID, & CoDi), ensuring security and stability of high-volume national interbank transactions.

Skills

Technical Expertise

Operating Systems

RHEL, AIX

Middleware

WebSphere, MQ, Tomcat

Networking

F5, Datapower, SSL

Automation

Ansible, Bash, Control-M

Middleware Stack

IBM WebSphere Application Server
IBM WebSphere MQ
IBM API Connect
IBM Integration BUS
Apache Web Server & Proxy

Security & Network

F5 BIG-IP Load Balancing
IBM Datapower Gateway
SSL Certificate Management
API Security

Core Competencies

Incident Management
Advanced Troubleshooting
System Automation
High Availability

Education

Academic Background

Bachelor of Computer Science

Universidad Autónoma de Nuevo León

Monterrey, México

Government Certified

Secretary of Public Education (SEP)

David Alejandro Urrea Miranda

License number: 14600993

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