Alvaro - Systems Infrastructure Engineer

Directed the architecture, operation, and strategic development of infrastructure supporting approximately 7 distributed sites, including hydroelectric generation, industrial systems, ski-center operations, and remote facilities.. Managed 3 operational areas and led a multidisciplinary team of 8 engineers, technicians, and operational staff; owned priorities, hiring, performance, annual budgets, vendor management, and execution planning.. Owned Windows Server, Active Directory, virtualization, storage, backup, monitoring, network, and security services across the environment, balancing hands-on troubleshooting with long-term infrastructure planning.. Designed and implemented Fortinet-based secure connectivity with high availability, SD-WAN, VPN, routing, segmentation, firewall policies, and resilient multi-provider WAN services.. Increased Internet capacity from 100 Mbps to multi-provider 1 Gbps links while reducing bandwidth cost from approximately USD 10/Mbps to USD 0.90/Mbps.. Designed and launched a Wireless ISP serving approximately 100 clients by reusing existing infrastructure, turning IT capacity into a revenue-generating service.. Led fiber-optic backbone expansion and the migration of unstable wireless links to fiber, improving availability and operational coverage while introducing intermediate service points to strengthen project ROI.. Led full infrastructure recovery after a ransomware incident, restoring core operations within 24 hours and recovering approximately 90% of data; subsequently implemented 3-2-1 backup, NAS, segmentation, and resilience improvements.. Created technical standards, procedures, runbooks, and monitoring practices; coordinated ISPs, vendors, external specialists, and internal stakeholders during projects and critical incidents.