A. Brito
About
Welcome! I’m an IT professional and cybersecurity enthusiast with over 10 years of experience across technical support, systems administration, and security-driven projects. I created this portfolio to showcase my work, share my resume with recruiters, and give back to the cybersecurity community. The projects featured here, from defensive tooling to hands-on lab environments reflect my commitment to continuous learning, real-world problem solving, and helping others grow in the field.
Incidents Investigated
Threats blocked
Vulnerabilities Remediated
Phishing Attempts Detected
Skills
Resume
Summary
A. BRITO
IT professional with 10+ years of experience in technical support and systems administration, actively expanding into cybersecurity through hands-on projects and practical lab environments. Background includes higher education, enterprise, and freelance consulting with exposure to network design, risk evaluation, and security best practices. Focused on developing stronger skills in detection, monitoring, and defensive security to support organizational resilience.
Skills Overview
Core Technical Skills
The skills below are supported by hands-on labs and real-world freelance projects documented in my portfolio.
- Cybersecurity: SIEM (Sentinel, M365 Defender), Incident Response, Threat Hunting, Vulnerability Management (Nessus), NIST CSF, ISO 27001.
- Systems & Networks: Windows Server, Active Directory, Intune, Jamf Pro, Entra ID, Ubiquiti UniFi, Firewall Concepts, Network Segmentation.
- Tools: ServiceNow, Jira, Nessus, Splunk, SCCM, Acronis, Synology NAS.
Education & Certifications
Master of Science in Cybersecurity & Digital Forensics
University of Central Florida, Orlando, FL
Bachelor of Science in Information Technology & Cybersecurity
Miami Dade College, Miami, FL
CompTIA CySA+ (Cybersecurity Analyst)
CompTIA Security+
Azure Cloud Fundamentals (AZ-900)
Targeting CISSP and MS SC-200
Professional Experience
IT SUPPORT SPECIALIST
2022 - 2025
Higher Education Institution, Central FL
- Managed student lab systems (Windows & macOS), deployed updates via MECM/Jamf, and supported SOC operations by resolving alerts, performing log analysis, and assisting with cybersecurity threat investigations using Microsoft Sentinel and Microsoft 365 Defender.
IT Specialist II
2019 - 2022
Higher Education Institution, South FL
- Supported 10,000+ users, managed Active Directory, Intune, Jamf, and delivered technical support across campus systems.
Freelance IT & Security Consultant
Ongoing
Multiple Businesses, South FL
- Designed and deployed enterprise-grade Ubiquiti networks with VLAN segmentation, site-to-site VPN access, IDS/IPS, and firewall rules to improve security and resilience.
- Implemented secure network segmentation to isolate devices and reduce attack surface across business environments.
- Performed vulnerability scanning and analysis using Nessus, documenting findings and remediation recommendations based on risk severity.
- Deployed and configured Synology NAS solutions for secure file storage and backup, supporting data protection and recovery objectives.
Projects
Welcome to my Projects section, a collection of hands-on work that reflects my passion for technology and continuous learning. Here you'll find examples of my experience with home lab setups, cybersecurity tools and practices, and exploring various operating systems. Each project highlights practical skills and real-world scenarios I've tackled along my journey.
- All
- Lab Reports
- Cyber Sec
- Cloud
- Network
- Home Labs
- OS / Pen Test
SOC Automation Workflow
Real-time detection, enrichment, and alerting pipeline using Splunk, n8n, ChatGPT, AbuseIPDB and Slack.
Risk Assessment – Hybrid Network
Risk register, analysis, and mitigations (M365, Ubiquiti, NAS, VPN).
Email Threat Investigation
Email header analysis, threat intel lookups, malicious URL investigation, IOC extraction and reporting.
