Gustavo Henrique Karsten

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.

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.

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.

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.