Cybersecurity · Systems Administration · IT

Martin Quintana

Cybersecurity Professional

IT and cybersecurity professional focused on infrastructure security, systems administration, security monitoring, and defensive security operations. Experienced with security operations, networking, system administration, logging, monitoring, and incident response.

About

I am an IT and cybersecurity professional with a strong interest in defensive security, systems administration, infrastructure, and security operations.

My technical experience includes Windows Server, Active Directory, networking, PowerShell, security monitoring, SIEM technologies, endpoint logging, and cybersecurity lab environments.

I enjoy working with infrastructure at both the systems and security layers — identifying problems, troubleshooting environments, improving visibility, and building practical security solutions.

Experience

Data Center Technician

Company Name

2024 — Present
  • Supported enterprise infrastructure, servers, networking equipment, and data center operations.
  • Troubleshot hardware, operating system, network, and connectivity issues.
  • Performed system maintenance and infrastructure support while following operational and security procedures.
  • Documented technical issues and troubleshooting activities.

IT / Systems Administration

Organization Name

2023 — 2024
  • Administered Windows-based systems and Active Directory environments.
  • Configured servers, networking services, firewall policies, and system access.
  • Investigated system and authentication issues using logs and administrative tools.
  • Assisted with security hardening and infrastructure troubleshooting.

Cybersecurity Team Member

Cyber Defense Program

2023 — Present
  • Participated in hands-on defensive cybersecurity exercises.
  • Investigated Windows security events, system logs, and suspicious activity.
  • Worked with SIEM and endpoint telemetry to improve security visibility.

Skills

Cybersecurity

  • Security Monitoring
  • Incident Response
  • Vulnerability Assessment
  • Security Hardening
  • Log Analysis
  • Threat Detection

Systems Administration

  • Windows Server
  • Active Directory
  • Group Policy
  • DNS / DHCP
  • PowerShell
  • Windows Administration

Security Tools

  • Splunk
  • Sysmon
  • Windows Defender
  • Chainsaw
  • Wazuh
  • ELK Stack

Networking & Infrastructure

  • TCP/IP
  • DNS
  • DHCP
  • Firewalls
  • Server Infrastructure
  • Network Troubleshooting

Education

Bachelor of Science in Cybersecurity

Indiana Tech

Cybersecurity · Information Technology · Network Defense

Cyber Defense Competition Experience

Indiana Tech Cyber Warriors

Hands-on defensive security, infrastructure administration, incident response, system hardening, and security monitoring.

Certifications

CERT 01

Certification Name

Issuing Organization · Year

CERT 02

Certification Name

Issuing Organization · Year

Projects

Security Monitoring

Windows Security Monitoring Lab

Built a Windows-based security monitoring environment using Sysmon and SIEM technologies to collect, analyze, and investigate endpoint security events.

Systems Administration

Windows Server Infrastructure Lab

Designed and administered a multi-server Windows environment incorporating Active Directory, DNS, DHCP, Group Policy, server applications, and network services.

Cybersecurity

Defensive Security Operations

Practiced security hardening, log analysis, threat detection, incident investigation, Windows event analysis, and defensive security operations in a controlled lab environment.