IT Systems & Security Specialist

Systems
that work.

Self-taught IT professional with 5+ years of hands-on experience in system administration, network configuration, hardware diagnostics, and technical support. Based in Uruguay, open to remote and relocation opportunities.

5+
Years of experience
7
Clients supported
100%
Self-taught
Problems solved
01

Core Skills

SYS_ADM
System Administration

Full setup and configuration of Linux and Windows systems from scratch. Server deployment, user management, permissions, and ongoing maintenance.

Linux Windows Server Active Directory Orange Pi 5+
NET_CFG
Network & Infrastructure

Configuration and administration of routers, firewalls, VPNs, and local networks. Diagnosis and resolution of connectivity issues in real environments.

Routers VPN Firewall LAN/WAN
HW_DIAG
Hardware & Diagnostics

In-depth hardware troubleshooting, component replacement, and performance optimization. From workstations to single-board computers.

Diagnostics Repair PC Build SBC
SEC_OPS
Security Fundamentals

Applied knowledge of account security, threat awareness, and secure configuration practices. Protecting clients from phishing, credential theft, and unauthorized access.

Account Security 2FA Threat Awareness OPSEC
DEV_SCR
Scripting & Automation

Basic development in Python and JavaScript for task automation, custom tools, and workflow improvements. Pragmatic approach focused on solving real problems.

Python JavaScript Bash Automation
CTN_MGT
Content & Streaming Tech

Technical management of streaming setups, custom overlay development with live interactions, and social media administration for content creators.

OBS Overlays Stream Mgmt Social Media
02

Experience

2020 — Present
Freelance
IT Systems Specialist & Technical Support
7 Independent Streaming Clients — Remote

Full-cycle technical management for a portfolio of 7 content creators, covering everything from infrastructure setup to daily technical support. Built and configured Orange Pi 5 Plus servers from bare hardware — OS installation, network configuration, service deployment, and hardening. Delivered ongoing sysadmin support for Windows workstations, diagnosing and resolving hardware, software, and connectivity issues under real production pressure.

Orange Pi 5+ Linux from scratch Windows Networking Hardware repair Remote support
2020 — Present
Freelance
Streaming Infrastructure & Overlay Developer
Content Creators — Remote

Designed and developed custom interactive overlays for live streaming environments with dynamic, event-driven functionality. Created tools and automations to extend platform capabilities beyond default options. Managed social media channels, scheduling, and content logistics alongside technical responsibilities.

OBS JavaScript CSS animations Overlay dev Social media mgmt
2020 — Present
Self-directed
Independent IT & Security Studies
Self-taught — Uruguay

Initiated during the 2020 pandemic, five years of continuous self-directed learning covering systems administration, networking fundamentals, basic cybersecurity concepts, scripting (Python, JavaScript, introductory C#), and hardware maintenance. Learning driven by real client problems — theory applied immediately in practice.

Python JavaScript C# basics Security fundamentals Active Directory
03

Key Projects

Project 001

Orange Pi 5+ Server Deployments

Full bare-metal setup of Orange Pi 5 Plus single-board computers for 7 different clients. Process included OS selection and installation, network configuration, remote access setup, service deployment, firewall rules, and system hardening. Each unit delivered fully operational and documented.

Delivered production-ready Linux servers from zero for 7 clients, configured for stable remote management and continuous operation.
Linux Armbian SSH Networking Firewall
Project 002

Custom Interactive Overlays

Development of real-time interactive overlays for live streaming platforms. Included event-driven animations, audience interaction triggers, and dynamic data display. Built with HTML, CSS, and JavaScript, integrated into OBS via browser sources with full custom behavior logic.

Functional overlays with custom interaction logic deployed across multiple live channels, improving viewer engagement and professional production quality.
JavaScript HTML/CSS OBS WebSockets
Project 003

Workstation Repair & Optimization

Ongoing hardware diagnostics and repair for client workstations — thermal paste replacement, storage upgrades, RAM diagnosis, PSU testing, and OS reinstallation. Reduced downtime significantly by establishing preventive maintenance routines and remote monitoring practices.

Zero unresolved hardware failures across all clients over 5 years of support. Fast turnaround maintained even under live production pressure.
Hardware Diagnostics Windows Preventive maint.
Project 004

Account Security & OPSEC

Security audit and hardening of accounts, platforms, and devices for content creator clients. Implemented 2FA across all critical accounts, reviewed active sessions, removed unauthorized access, and established security protocols to prevent phishing and credential compromise.

Zero successful account compromises across all managed clients following security protocol implementation.
2FA OPSEC Account security Phishing defense
04

Tools & Stack

Systems & Infra

Linux (Debian/Armbian/Ubuntu)
Windows / Active Directory
Routers / Firewalls / VPN
SSH / Remote Management
Hardware Diagnostics

Development & Other

Python
JavaScript / HTML / CSS
OBS / Streaming Stack
Security Tooling
C# (Basic)
05

Contact

Open to new opportunities.

Available for sysadmin roles, IT support positions, and freelance technical work. Open to remote arrangements and relocation. Let's talk about what you need and how I can help.