Carlos Arregui

IT Manager & Development Coordinator

Expotuna • Temps plein

Jul 2023 - Jul 2025 • 2 yrs

Led the IT department and coordinated software development initiatives, managing critical infrastructure, cybersecurity, networking, internal systems, vendors, and technology projects aligned with business operations. • Led the complete migration of the company’s primary data center, improving availability, resilience, and operational continuity. • Strengthened endpoint and perimeter security by implementing advanced VPN policies, traffic controls, and security rules. • Executed structured Cat 6A network cabling projects across administrative facilities, improving network performance and reliability. • Designed and upgraded the corporate wireless network using Wi-Fi 6 access points. • Led the technology setup and deployment of new company branches, ensuring operational readiness from day one. • Implemented security policies and access controls to reduce unauthorized access and strengthen compliance with internal standards. • Designed and implemented an internal IT ticketing system to improve technical support and incident tracking. • Coordinated the development of new modules and improvements for the company’s production management system, aligning software capabilities with operational and business requirements. • Worked with users, management, and technical teams to identify process improvements and translate them into practical software solutions. • Managed technology vendors, service providers, contracts, and technical purchasing decisions to balance service quality, reliability, and cost. • Integrated the company’s internal ERP with external shipping line and freight forwarder systems through APIs, enabling automated data exchange and reducing manual processing.

Senior Software & Azure Specialist L3

XenturionIT • Temps plein

Jul 2014 - Jun 2021 • 6 yrs 11 mos

Provided Level 3 technical support and software development for enterprise and healthcare information systems, handling complex incidents, application architecture, integrations, cloud infrastructure, and quality assurance. • Resolved complex Level 3 software and system issues. • Developed and maintained enterprise applications using Java, C#, ASP.NET, HTML, CSS, and XML. • Worked with REST and SOAP APIs and healthcare interoperability standards such as HL7. • Designed software using MVC, MVVM, and multi-tier architecture patterns. • Worked with ASP.NET, ASP.NET Core, Angular, and ASP.NET Zero. • Designed and implemented Microsoft Azure architectures using VPN Gateway, Virtual Machines, Storage, Cosmos DB, Application Gateway, and containerized environments. • Designed, implemented, maintained, and supported custom software solutions. • Performed software QA, testing, troubleshooting, and validation. • Prepared technical documentation, activity reports, and GAP analysis documents. • Created business reports and dashboards using Microsoft Power BI. • Collaborated on system integrations and data exchange between enterprise applications