Gustavo Henrique Karsten

IT Infrastructure & AI Automation Specialist

About

Highly skilled IT professional with extensive experience in Linux server administration, infrastructure automation, and technical support. Proven ability to optimize corporate systems through high-availability solutions, virtualization, and robust monitoring. Recently focused on developing AI-driven automations and integrating workflows using n8n, LangChain, and advanced language models to enhance business processes and create intelligent solutions.

Work

PowerX
|

Analista Técnico - Servidores Pleno

Summary

Led technical support and infrastructure projects for enterprise clients, specializing in Linux servers, Ansible automation, and Proxmox virtualization, while pioneering AI-driven workflow integrations.

Highlights

Provided expert technical support to enterprise clients, resolving complex issues related to Linux servers, Ansible automation, and Proxmox virtualization platforms.

Deployed and managed robust clusters (GlusterFS, Elasticsearch, MariaDB), implementing automated backups, replications, ProxySQL load balancing, and Zabbix monitoring to ensure high availability and performance.

Developed and managed AI pipelines using LangChain and Ollama, integrating workflows via n8n to automate complex business processes and enhance operational efficiency.

Implemented Retrieval-Augmented Generation (RAG) systems with LangChain, leveraging nomic-embed-text embeddings and PGVector to enable semantic search and contextual response generation from internal enterprise documents.

Orchestrated automated customer service systems, connecting to internal data sources and external APIs to streamline interactions and improve response times for various business functions.

Configured PostgreSQL environments on VPS and custom domains, supporting the deployment and scalability of new automation projects.

Grupo Fleury
|

Analista de Infraestrutura

Summary

Provided critical remote and on-site infrastructure support to internal clients, ensuring seamless operations and efficient IT service delivery.

Highlights

Delivered comprehensive remote and on-site technical support to internal clients, efficiently resolving diverse IT issues and ensuring operational continuity.

Administered user accounts and permissions within Active Directory, ensuring secure and streamlined access for a large internal user base.

Facilitated efficient IT service delivery by managing support requests via ServiceNow and mediating effectively between various IT departments to resolve complex issues.

Unitec Escola Técnica
|

Técnico de Suporte

Summary

Provided essential technical support and system configuration for workstations and network assets, ensuring operational continuity for educational environments.

Highlights

Provided direct technical support and configured workstations, resolving hardware and software issues to maintain optimal system performance for students and staff.

Managed user accounts and access within Active Directory, email servers, and ERP systems, ensuring efficient onboarding and operational continuity for the institution.

Conducted continuous monitoring of IT assets and performed basic network configurations, proactively identifying and addressing potential issues to minimize downtime.

Toor Tecnologia
|

Técnico de Informática

Summary

Delivered N1 remote support and administered Linux/Windows servers, contributing to robust IT infrastructure and developing automation scripts.

Highlights

Provided N1 remote support, effectively resolving technical issues for clients and ensuring minimal disruption to their operations.

Administered and maintained Linux and Windows servers, ensuring system stability and optimizing performance for diverse client environments.

Configured basic firewall rules and implemented Hyper-V redundancy solutions, enhancing network security and system availability.

Developed and deployed automation scripts using Shell and PowerShell, streamlining routine IT tasks and improving operational efficiency.

Education

Anhanguera

Higher Education (Incomplete)

DevOps

Languages

English

Proficient

German

Basic

Spanish

Proficient

Certificates

Imersão Oracle - DBAOCM

Issued By

DBAOCM

Linux Fundamentos

Issued By

FIAP

Excel Avançado

Issued By

Microlins

Liderança Técnica

Issued By

ApoioAG

Eletrônica Embarcada com Arduino

Issued By

CETEP

Skills

Operating Systems & Infrastructure

Linux (Debian, Slackware, FreeBSD), Windows Server (2008–2016), Active Directory, pfSense, Mikrotik, Unifi AP, infraestrutura, VPS.

Virtualization

Proxmox, Hyper-V.

Automation & Scripting

Ansible, Shell Script, PowerShell, n8n, automação, workflow.

Monitoring

Zabbix.

Databases

MariaDB, Elasticsearch, PostgreSQL, ProxySQL, PGVector.

AI & Machine Learning

LangChain, Ollama, Hugging Face, RAG (Retrieval-Augmented Generation), embeddings, vetores, IA, agentes inteligentes, busca semântica, pipeline de IA, chatbot, assistente virtual, documentos empresariais, automação com IA.

Tools & APIs

ServiceNow, Wiki.js, Google Sheets, Google Forms, GitHub API.

DevOps Practices

DevOps.