# Gustavo Henrique Karsten - IT Infrastructure & AI Automation Specialist
Source: https://hello.cv/gustavokarsten

## Links
- LinkedIn | https://www.linkedin.com/in/gustavo-karsten-88a04383

## 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
### Analista Técnico - Servidores Pleno | PowerX
Led technical support and infrastructure projects for enterprise clients, specializing in Linux servers, Ansible automation, and Proxmox virtualization, while pioneering AI-driven workflow integrations.
- 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.
### Analista de Infraestrutura | Grupo Fleury
Provided critical remote and on-site infrastructure support to internal clients, ensuring seamless operations and efficient IT service delivery.
- 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.
### Técnico de Suporte | Unitec Escola Técnica
Provided essential technical support and system configuration for workstations and network assets, ensuring operational continuity for educational environments.
- 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.
### Técnico de Informática | Toor Tecnologia
Delivered N1 remote support and administered Linux/Windows servers, contributing to robust IT infrastructure and developing automation scripts.
- 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 | DevOps

## Languages
- English | Proficient
- German | Basic
- Spanish | Proficient

## Certificates
### Imersão Oracle - DBAOCM
DBAOCM | 2025-01-01
### Linux Fundamentos
FIAP | 2020-01-01
### Excel Avançado
Microlins | 2020-01-01
### Liderança Técnica
ApoioAG | 2020-01-01
### Eletrônica Embarcada com Arduino
CETEP | 2020-01-01

## Skills
### Operating Systems & Infrastructure
Proficient
- Linux (Debian, Slackware, FreeBSD)
- Windows Server (2008–2016)
- Active Directory
- pfSense
- Mikrotik
- Unifi AP
- infraestrutura
- VPS
### Virtualization
Proficient
- Proxmox
- Hyper-V
### Automation & Scripting
Proficient
- Ansible
- Shell Script
- PowerShell
- n8n
- automação
- workflow
### Monitoring
Proficient
- Zabbix
### Databases
Proficient
- MariaDB
- Elasticsearch
- PostgreSQL
- ProxySQL
- PGVector
### AI & Machine Learning
Proficient
- 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
Proficient
- ServiceNow
- Wiki.js
- Google Sheets
- Google Forms
- GitHub API
### DevOps Practices
Proficient
- DevOps

## Source
Read this profile on Hello.cv: https://hello.cv/gustavokarsten
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