LALEONARDO ALONSOEXECUTIVE TECHNOLOGY PROFILE
CAREER

Experience

A career narrative built around scope, decisions, delivery ownership and evidence. Scan the role first, then move into leadership, technology and measurable impact.

READING PATH

Role → Scope → Leadership & Delivery → Impact → Programs. Each block is intentionally separated so a recruiter can scan first and read deeply only where it matters.

01Jan 2026 — Sep 2026
DigisystemBrazil · Temporary assignment

Senior Project Manager | Cybersecurity, Observability & Infrastructure Programs

EXECUTIVE SCOPE

Led large-scale technology programs for major healthcare and energy-sector clients in mission-critical environments, spanning infrastructure monitoring, observability, cybersecurity, AI, automation and operational modernization.

TECHNOLOGY LANDSCAPE
Program ManagementPMO GovernanceObservabilityInfrastructure MonitoringCybersecurityAIAutomationNISTISO 27001CIS ControlsLGPDCOBITExecutive Dashboards
LEADERSHIP & DELIVERY
  • Managed end-to-end delivery across scope, schedules, milestones, resources, risks, issues, dependencies, KPIs, executive reporting, change management and production readiness.
  • Coordinated multidisciplinary teams across infrastructure, security, monitoring, applications, operations, vendors and customer organizations, keeping technical execution aligned with business priorities.
  • Defined the strategy for an enterprise cybersecurity maturity platform covering controls, risks, governance and maturity across NIST, ISO 27001, CIS Controls, LGPD and COBIT.
  • Led observability and monitoring maturity initiatives consolidating operational visibility, incident detection, service health, executive dashboards and decision-support information.
  • Acted as the primary interface between customers, technical specialists, leadership and suppliers, translating complex operational and security requirements into structured roadmaps and controlled delivery.
SELECTED IMPACT
  • Turned complex technology and security requirements into decision-ready roadmaps with clear priorities, ownership, dependencies and delivery controls.
  • Created the strategic model for a cybersecurity maturity platform designed to give leadership a structured view of controls, risks and maturity.
  • Improved the management model for critical-environment observability by connecting technical health signals with executive visibility and decision support.
RELATED PROGRAMS
Cybersecurity Maturity & Governance PlatformObservability & Monitoring Modernization
02Sep 2024 — Dec 2025
IndependentBrazil

Executive IT Business Consultant | AI Platforms, Cloud & Automation

EXECUTIVE SCOPE

Led end-to-end technology and digital-transformation initiatives, connecting executive objectives with governance models, product strategy, architecture, delivery, cybersecurity, cost and production operations.

TECHNOLOGY LANDSCAPE
AI PlatformsLLM OrchestrationAI AgentsPythonFastAPINext.jsReactPostgreSQLRedisDockerNginxAPIsCI/CDAzureMicrosoft 365IT Governance
LEADERSHIP & DELIVERY
  • Defined technology and digital-transformation roadmaps, governance models, delivery plans, priorities and measurable outcomes for business and technology stakeholders.
  • Defined the strategy, architecture and evolution of enterprise digital platforms focused on business governance, executive visibility, workflows, risk management, operational control and decision support.
  • Led the development of a multimodel AI SaaS platform integrating multiple AI providers, agent workflows, automation, APIs, conversational memory, web research, document processing and secure production services.
  • Managed product strategy, architecture, backlog, risks, dependencies, costs, vendors and delivery across frontend, backend, cloud, infrastructure, data and application layers.
  • Bridged executive, business and technical stakeholders, balancing business value, delivery speed, scalability, cybersecurity, cost, user experience and technical debt.
  • Delivered hands-on architecture and engineering using Python, FastAPI, Next.js, React, PostgreSQL, Redis, Docker, Nginx, CI/CD, APIs and cloud technologies.
  • Advised leadership teams on IT governance, cybersecurity, Azure, Microsoft 365, automation, vendor optimization, cost reduction, operating models and transformation roadmaps.
SELECTED IMPACT
  • Built production digital platforms that connected strategy, architecture, application engineering, infrastructure, security and deployment rather than treating them as separate workstreams.
  • Created reusable governance and executive-visibility capabilities spanning dashboards, workflows, risks, KPIs, financial visibility and operational controls.
RELATED PROGRAMS
Multimodel AI SaaS PlatformEnterprise Governance & Business Management Platform
03Oct 2023 — Aug 2024
Calibre ScientificBrazil · Reporting to U.S. leadership

Head of IT | ERP Modernization, Service Delivery & Cybersecurity

EXECUTIVE SCOPE

Owned IT strategy, operations, modernization, cybersecurity, service delivery and governance for business-critical platforms, reporting directly to U.S. leadership.

TECHNOLOGY LANDSCAPE
SAP CloudTOTVS ProtheusAWSE-commerceITILService DeskSLAKPIAutomationISO 27001LGPDBusiness ContinuityVendor Management
LEADERSHIP & DELIVERY
  • Owned technology operations across ERP, e-commerce, AWS, infrastructure, Service Desk, enterprise applications, vendors, contracts, budgets and acquisition-related technology activities.
  • Drove modernization of the ERP environment toward SAP Cloud, coordinating technical and business dependencies while protecting business continuity, data integrity and financial operations.
  • Built and matured an ITIL-based Service Desk operating model with SLAs, workflows, knowledge management, automation and performance indicators.
  • Strengthened cybersecurity, governance, risk and business continuity practices aligned with ISO 27001, LGPD and corporate control requirements.
  • Managed technology spend, suppliers, contracts, KPIs, priorities and resource allocation, improving predictability while reducing unnecessary cost and complexity.
  • Partnered with executive and business stakeholders to translate operational challenges into technology roadmaps, investment priorities and modernization initiatives.
SELECTED IMPACT
  • Reduced average service resolution time by approximately 30% through structured workflows, SLAs, knowledge management, automation and performance management.
  • Advanced ERP modernization while protecting continuity, financial processes and production readiness during a high-impact enterprise transition.
  • Improved operational predictability by connecting KPIs, vendor management, budgets and technology priorities to a clearer management model.
RELATED PROGRAMS
ERP Modernization & Business ContinuityITIL Service Delivery & Operations Transformation
04Mar 2022 — Jun 2023
Fagron · GlobalBrazil · Global scope across 10+ countries

Global IT Security Manager | SIEM, Incident Response & Security Governance

EXECUTIVE SCOPE

Led global cybersecurity, technology risk, governance and incident-response maturity across multinational operations supporting more than 10 countries.

TECHNOLOGY LANDSCAPE
Microsoft SentinelSplunkSIEMNISTISO 27001GDPRLGPDIAMPAMMFARBACVulnerability ManagementEndpoint SecurityIncident Response
LEADERSHIP & DELIVERY
  • Defined and implemented global security policies, standards and controls aligned with NIST, ISO 27001, GDPR and LGPD, balancing compliance requirements with operational realities.
  • Led the global Microsoft Sentinel SIEM implementation, expanding security visibility and event correlation across cloud, endpoint, identity and on-premises environments.
  • Owned key security domains including vulnerability management, IAM, PAM, MFA, RBAC, endpoint hardening, audits, security awareness, incident response and security operations.
  • Partnered with C-level executives, IT leaders, CAB and business stakeholders to translate cyber risk into priorities, investments, controls and actionable remediation plans.
  • Advanced cybersecurity from predominantly technical operations into a structured risk and governance capability focused on resilience and business protection.
SELECTED IMPACT
  • Reduced critical incident response time by approximately 45% through automated response and escalation processes and stronger global coordination.
  • Created a global security-monitoring architecture that centralized telemetry, correlation, dashboards, investigation workflows and escalation across multinational operations.
  • Strengthened executive risk visibility by connecting technical security signals to priorities, controls, investments and remediation roadmaps.
RELATED PROGRAMS
Global Security Information & Event Management Transformation
05Mar 2020 — Mar 2022
Fagron NetherlandsNetherlands · European / Global scope

IT Infrastructure Manager | Cloud, Reliability & Technology Governance

EXECUTIVE SCOPE

Led European and global infrastructure, cloud strategy, platform modernization, service reliability and technology governance across a distributed multinational environment.

TECHNOLOGY LANDSCAPE
AzureHybrid CloudMicrosoft 365Microsoft Dynamics 365VMwareHigh AvailabilityZabbixPRTGObservabilityCapacity PlanningBusiness ContinuityVendor ManagementTCO
LEADERSHIP & DELIVERY
  • Defined and executed hybrid infrastructure strategy spanning cloud and on-premises environments, including modernization initiatives and infrastructure support for the Microsoft Dynamics 365 ERP transformation.
  • Managed multicultural teams of engineers, managers and local technology professionals across multiple countries together with multimillion-euro technology budgets.
  • Established a Center of Excellence to standardize architecture, operations, documentation, monitoring, incident management, service delivery, engineering practices and governance across regions.
  • Expanded observability and proactive monitoring through Zabbix and PRTG, increasing service visibility and improving incident detection and resolution.
  • Managed technology investments, suppliers, operational risks, infrastructure priorities and modernization initiatives with focus on scalability, resilience, continuity and cost efficiency.
SELECTED IMPACT
  • Achieved 99.99% availability for critical services through resilient architecture, high availability, capacity planning, operational governance and continuous improvement.
  • Cloud consolidation and hybrid-infrastructure modernization contributed to an approximately 15% reduction in Total Cost of Ownership.
  • Standardized architecture, monitoring, service delivery and engineering practices across regions through the Center of Excellence model.
RELATED PROGRAMS
Cloud Consolidation & Hybrid Infrastructure ModernizationEnterprise Microsoft 365 Transformation | 2,500+ Users
06Jun 2018 — Mar 2020
Coolblue NetherlandsNetherlands

Senior IT Platform Engineer | Automation, CI/CD & Reliability

EXECUTIVE SCOPE

Delivered platform engineering, automation, reliability and infrastructure improvements for high-traffic, business-critical technology environments in a product-driven organization.

TECHNOLOGY LANDSCAPE
Azure DevOpsJenkinsPowerShellPythonCI/CDSCCMMonitoringPlatform EngineeringReliabilityAgileRoot Cause Analysis
LEADERSHIP & DELIVERY
  • Partnered with product, development and engineering teams to translate business and technical requirements into reliable, scalable, automated and auditable solutions.
  • Supported complex production environments across infrastructure, servers, SCCM, automation, deployment tooling, monitoring and enterprise platform services.
  • Contributed directly to Agile planning, sprint execution, troubleshooting, technical documentation, root-cause analysis and continuous service improvement.
  • Connected traditional infrastructure operations with modern platform engineering, DevOps, automation, software delivery and reliability practices.
SELECTED IMPACT
  • Reduced deployment time by approximately 50% by automating CI/CD pipelines and operational workflows with Azure DevOps, Jenkins, PowerShell and Python.
  • Improved platform resilience and end-to-end operational visibility by eliminating critical points of failure and strengthening engineering standards.
RELATED PROGRAMS
CI/CD & Platform Reliability Modernization
07Jun 2014 — May 2018
Fagron · Brazil / LATAMBrazil / Latin America

Senior IT System Engineer | Cloud Migration, High Availability & Regional Standards

EXECUTIVE SCOPE

Led modernization of Latin American infrastructure and cloud environments, connecting regional technology operations with Netherlands headquarters and global technology standards.

TECHNOLOGY LANDSCAPE
CloudMicrosoft 365SharePointVMwareSCCMIdentityNetworkingHigh AvailabilityBackupDisaster RecoveryCABOperational Governance
LEADERSHIP & DELIVERY
  • Coordinated technical operations and teams across Latin America covering cloud, on-premises infrastructure, Microsoft 365, SharePoint, VMware, SCCM, identity, networking and enterprise services.
  • Standardized high availability, identity and access, backup, disaster recovery, infrastructure architecture and operational controls, improving uptime and audit readiness.
  • Established regional documentation, policies, CAB practices, technical standards, governance processes and operational procedures aligned with global corporate requirements.
  • Acted as the bridge between Latin American business requirements and global technology strategy, enabling standardization while addressing regional operational needs.
SELECTED IMPACT
  • Migrated critical workloads to cloud with zero downtime, improving performance, scalability, resilience, availability and cost efficiency across regional operations.
  • Built the technical and leadership foundation that supported progression from regional engineering into European infrastructure management and later global technology leadership.
RELATED PROGRAMS
Cloud Migration & Regional Infrastructure Standardization
082005 — 2014
Earlier ExperienceBrazil

Senior IT Analyst · Senior IT Consultant · IT Support Engineer · IT Support Analyst · IT Sales & Support

EXECUTIVE SCOPE

Progressive hands-on roles across support, systems, consulting and senior infrastructure responsibilities that formed the technical foundation for later leadership positions.

TECHNOLOGY LANDSCAPE
InfrastructureMicrosoftNetworksSupportConsulting