RESUME / ONLINE

Leandro Correia de Freitas

IT support, infrastructure and cybersecurity · Cliffside Park, New Jersey

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Professional Summary

Entry-level IT and cybersecurity candidate pursuing an Associate Degree in Cybersecurity at Bergen Community College with a 3.85 GPA. Hands-on experience with Linux server hardening, network monitoring, Splunk SIEM, malware analysis labs, Docker, and self-hosted infrastructure. Previous IT Support experience resolving hardware, software, backup, and workstation issues in a real-world environment. Strong troubleshooting discipline developed through CNC programming and precision manufacturing. Seeking a SOC Analyst, IT Support, Junior Systems Administrator, or security-adjacent infrastructure role.

Core Competencies

Security & Monitoring

System Hardening | SIEM / Splunk | Log Analysis | Network Security | Malware Analysis | Incident Response Fundamentals | Firewalls | OPNsense

Systems & Infrastructure

Linux | Windows Server | Microsoft Azure | Docker | VMware | VirtualBox | Self-Hosted Services | Backup Management

Networking

TCP/IP | DNS | DHCP | VPN | Network Segmentation | Wireshark | Nmap

Scripting & Tools

Python | Bash | PowerShell | SQL | Git | Metasploit | n8n Automation

AI & Agentic Systems

ChatGPT | Claude | Hermes | Agent Orchestration | Multi-Agent Workflows | AI-Assisted Development

Education

Associate degree in Cybersecurity | Bergen Community College, NJ

Current GPA: 3.85/4.0 | Dean’s List Relevant coursework: Network Security, Ethical Hacking, Digital Forensics, Unix/Linux Network Administration

Graduate Certificate in Project Management | Faculdade Impacta Tecnologia, Brazil | Completed

Bachelor of Business Management | Universidade Paulista (UNIP), Brazil | Completed

Professional Experience

IT Support Technician | Our Lady of Grace Catholic Church

  • Resolved 20+ weekly hardware, software, printer, and workstation issues using structured troubleshooting, reducing user downtime and improving operational reliability.
  • Configured and maintained Windows workstations, network printers, peripheral devices, user accounts, and basic endpoint settings.
  • Implemented automated backup procedures and basic database maintenance practices to improve data availability and reduce risk of data loss.
  • Delivered cybersecurity awareness training to 15+ staff members, improving phishing recognition and safer handling of email, passwords, and sensitive information.
  • Documented recurring technical issues and support procedures to improve consistency and reduce repeat incidents.

CNC Machinist | Service Metal Fabricating

  • Operate CNC machinery in precision manufacturing environments requiring strict quality control, technical documentation review, and disciplined troubleshooting.
  • Maintain and optimize an Excel-based tooling inventory system, improving organization, traceability, and operational efficiency.
  • Interpret complex blueprints and schematics, translating technical specifications into accurate machine setups and calibrated outputs.
  • Perform dimensional verification and quality inspection to ensure compliance with production standards.

CNC Machinist & Programmer | Barnett Machine Tool Corp.

  • Programmed and optimized CNC machinery using G-code, improving cycle efficiency while maintaining tolerances within 0.003 inches.
  • Troubleshot machine, tooling, and production issues to minimize downtime and maintain operational continuity.
  • Interpreted technical drawings and converted specifications into reliable machine setups for high-tolerance production.
  • Performed quality control, finishing, and safety checks in a fast-paced production environment.

Projects

Linux Server Hardening Home Lab — Debian, SSH, Firewall, Docker

Deployed and hardened a Debian-based server using secure configuration practices, service isolation, firewall rules, SSH hardening, and documentation.

Blue Team Monitoring Sensor — Raspberry Pi, Centralized Logs, Network Visibility

Built a lightweight monitoring sensor for centralized logging and network visibility.

Malware Analysis & SIEM Lab — Windows 10, Kali Linux, Splunk

Created an isolated Windows 10 and Kali Linux lab integrated with Splunk SIEM to practice malware analysis, log review, and detection workflows.

Matrix/Synapse Secure Messaging Server

Deployed and documented a self-hosted secure messaging infrastructure using Matrix/Synapse.

Secure MCP Server for AI-Assisted Infrastructure Management — Python, FastAPI, SQLite, Linux, MCP

Developed a secure MCP server enabling AI agents to interact with Linux infrastructure through controlled permissions, least-privilege access, authentication, and comprehensive audit logging.

Certifications

  • Harvard University: CS50’s Introduction to Cybersecurity
  • TryHackMe: Pre Security
  • Google: Foundations of Cybersecurity
  • Google: Technical Support Fundamentals

Languages

Portuguese NativeEnglish FluentSpanish ConversationalMandarin Basic