Angel Ramirez

IT Professional transitioning to Information Security

Professional headshot

As an IT professional with a proven track record in network administration and security operations, I specialize in implementing robust security protocols, conducting vulnerability assessments, and leading threat detection initiatives.


My expertise includes managing security infrastructures & deploying SIEM systems, with a strong focus on enhancing threat detection and mitigation capabilities.

Professional Experience

Network & Security Administrator

Verduyn Tarps Inc.

September 2023 - Present

  • Implemented and managed SIEM solutions for real-time threat detection and response
  • Led vulnerability assessments using Microsoft Defender for Endpoint, reducing critical vulnerabilities by 40%
  • Managed security operations for a network of 100+ endpoints across multiple locations
  • Deployed and managed Microsoft Sentinel for advanced threat detection and incident response
  • Configured and maintained firewall rules, VPNs, and network security protocols
  • Developed PowerShell scripts for automated system maintenance and security checks
  • Managed IT service desk using Atera, achieving 95% first-contact resolution rate for internal support requests
  • Led successful migration from on-premises infrastructure to Azure cloud services, reducing operational costs
  • impemented disaster recovery plans & backup solutions

IT Support Specialist

Geek Squad

April 2019 - August 2023

  • Provided technical support and security solutions for diverse client base
  • Performed malware removal and system recovery using specialized security tools
  • Diagnosed and resolved system issues while implementing comprehensive endpoint security solutions for clients including antivirus, anti-malware, and host-based intrusion prevention systems
  • Conducted technical training & customer service training employees

Technical Skills

SIEM Incident Response Threat Hunting Network Security Penetration Testing Python Splunk ELK Stack MS Sentinel Azure Security Security Onion MS Endpoint

Get in Touch

AAR_Security@protonmail.com
+1 (905)-906-3031