JEISON MARIN

Managed and supported the organization's IT infrastructure, Microsoft 365 environment, cybersecurity initiatives, and digital transformation projects. Led migration to Acumatica ERP and coordinated data governance and system integrations.

Founded and managed a technology services company providing comprehensive IT solutions and technical support to small and medium-sized businesses. Acted as an outsourced IT department, responsible for network infrastructure, security, server and virtualization environments, and cloud services.

Provided technical support for high-tech equipment, managed systems, networks, and security configurations including VPN, Firepower, NAT, and Firewall. Monitored network and systems using Zabbix and managed servers including VMware, telephony IP, Windows, and Linux.

Provided computer and laptop support to internal users, installed and configured networks and security cameras, and monitored IT activities at company branches. Provided general technical support for high-tech equipment and collaborated with team members to resolve complex issues.

AI for Personal Productivity Course covering practical application of AI tools for productivity, workflow automation, prompt engineering, content evaluation, and responsible AI use, including data privacy, ethics, and bias awareness.

Systems Engineering with a focus on Network Infrastructure, Systems Administration, and IT Security. Covered network design and management, server administration, operating systems, databases, cybersecurity, virtualization, and IT infrastructure.

Course of Windows Server and Networks covering fundamentals of Windows Server administration and network management, including user and group management, Active Directory, DNS, DHCP, network configuration, security, and basic troubleshooting.

Course in MikroTik and Cisco covering Cisco and MikroTik networking, including basic network configuration, routing, switching, IP addressing, DHCP, VLANs, VPN, and network troubleshooting.