Julian Fernando Arenas

Responsibilities Manage the end-to-end IT provisioning lifecycle: infrastructure planning, vendor selection and coordination (ISP, hardware, structured cabling), budget management, and implementation supervision. Lead technology transformation projects with cross-functional teams, including the implementation of new enterprise platforms and systems. Execute IT Asset Management (ITAM) strategies: conducting audits, monitoring vendor performance, verifying SLA compliance, and developing executive dashboards in Power BI for KPI tracking and data-driven decision-making. Key Achievements Executed +380 technology provisioning projects for corporate expansion across 4 clinics, 40+ medical centers, 300 pharmacies, 30 supermarkets, and 10 service centers, coordinating vendors to deliver complete IT infrastructure solutions. Managed a massive Digital Transformation project for 1,200 POS units across 500 sites (supermarkets and pharmacies). Coordinated technical validation, hardware acquisition, server deployment, and the full roll-out of a new POS platform, ensuring a successful migration with zero operational downtime. Coordinated the Network Infrastructure Transformation in +500 sites, migrating from MPLS to Broadband with SD-WAN implementation for link balancing. Managed ISP and firewall vendors, ensuring a seamless transition and improved connectivity efficiency. Developed an automated IT Inventory Management solution to replace manual Excel processes: implemented a MySQL database with Power BI dashboards, automating asset audits, improving billing control per device, and increasing tracking efficiency.

• Provided specialized technical support in WAN, LAN, wireless networks, and IP telephony, ensuring operational continuity and optimal performance of connectivity systems in business environments. • Delivered high-level technical assistance for videoconferencing services to corporate clients, ensuring an efficient, stable, and high-quality user experience. • Diagnosed and resolved network and communication incidents, applying best practices in incident management and using monitoring tools. • Collaborated with multidisciplinary teams to implement improvements in network infrastructure, contributing to performance optimization and reduced downtime. • Documented technical procedures and generated support reports for trend analysis and continuous service improvement

• Managed the LAN, Wireless LAN, IP telephony, and perimeter security network infrastructure for healthcare clients such as Clínica del Country and Clínica La Colina, ensuring availability, stability, and optimal performance. • Performed preventive and corrective maintenance on the installed technology platform, minimizing operational risks and ensuring service continuity. • Conducted proactive network monitoring to anticipate and resolve incidents, applying management and traffic analysis tools. • Managed SmartNet contracts with Cisco, including warranty tracking, technical support, and RMA handling, ensuring the timely availability of critical equipment. • Documented technical procedures and generated performance reports to support strategic decision-making in IT infrastructure.

• Responsible for the administration and monitoring of LAN and WAN networks for corporate clients, including the critical infrastructure of Credibanco, ensuring their availability, stability, and optimal performance. • Proactively managed network incidents, implementing effective solutions in the shortest possible time to minimize the impact on client operations. • Coordinated the deployment of technical personnel to address failures in equipment or fiber optic links, ensuring a swift and efficient response. • Performed configuration changes in networks and equipment, thoroughly documenting each modification to maintain an up-to-date technical history and facilitate audits. • Managed and monitored communication equipment and data links, generating detailed reports on network status, unavailability analysis, and key metrics for decision-making. • Attended to and managed technical requirements impacting network infrastructure, maintaining effective communication with the client and ensuring high levels of satisfaction.