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Arnaldo Toledo De AguiarAT

Arnaldo Toledo De Aguiar

Interim IT Director / Head of IT / Program Leader

€900/day
Hamburg, DE
15+ years

Average response time: 1 hour

About Arnaldo

Senior IT Director / Head of IT with 16+ years leading global IT operations, enterprise platforms, cybersecurity governance, and digital transformation across multinational environments.

Proven track record managing large-scale IT organizations supporting up to 50k users, overseeing multi-million euro budgets, and delivering mission-critical services across Europe, the Americas, and Asia.

Expert in IT strategy, global service delivery, ITSM transformation, cybersecurity governance, SaaS platforms, and enterprise collaboration ecosystems, with deep experience building high-performing teams and operating models in complex, multi-vendor environments.

Recognized for driving measurable business impact, including reducing operational costs, improving service reliability, scaling global support operations, and governing enterprise technology environments.

Strong executive stakeholder management experience working with C-level leadership, global finance organizations, and large enterprise clients such as aerospace, technology, telecom, and digital marketplace companies.
  • English

    Native or bilingual

  • Portuguese

    Native or bilingual

  • German

    Basic

Can work on-site
Hamburg (up to 50km)

Experience

  • Sport Alliance GmbH
    IT Director
    TECH
    April 2025 - Today (1 year and 2 months)
    Hamburg, Germany
    Defined and executed the enterprise IT strategy harmonized with business objectives, covering digital workplace, cybersecurity, IAM, IT operations, and service governance for a global workforce across Europe, the US, and Australia.

    Owned global IT operations and service delivery for 450+ users, ensuring SLA performance, service stability, and continuous improvement across end-user services and enterprise platforms.

    Directed cybersecurity and risk management initiatives, including audits, compliance controls, security governance, and risk mitigation plans.

    Scaled identity and access management (IAM) using Okta, enabling SSO and MFA across more than 70% of the SaaS portfolio, significantly improving access governance and security posture.

    Supervised a portfolio of 100+ SaaS applications, driving cost optimization, vendor performance, and lifecycle governance.

    Deployed enterprise ITSM processes and tooling (Freshservice), standardizing incident, request, and change management, and improving operational efficiency and user satisfaction.

    Led ISO 27001 certification preparation, developing governance documentation, addressing cybersecurity gaps, and implementing compliance controls across the IT environment.

    Owned IT CAPEX and OPEX budgets (~€3M annually), ensuring financial governance, cost efficiency, and alignment with company growth objectives.

    Reduced SaaS licensing costs by ~20% by rationalizing the application portfolio, eliminating redundant tools, and renegotiating vendor contracts without impacting user productivity.
    Stabilized IT operations after organizational downsizing, redesigning service priorities, and operating model to prevent business disruption.
    Built and directed a high-performing IT team, strengthening delivery capability, accountability, and collaboration across functions.
    IT Leadership IT Strategy IT Governance Digital Workplace Strategy Global IT Operations
  • Delivery Hero SE
    Enterprise Applications Manager & ITSM Squad Lead | Senior Manager – IT Service Management
    TECH
    April 2023 - March 2025 (1 year and 11 months)
    Berlin, Germany
    Built the global IT Service Management (ITSM) function within the Enterprise Technology Services Tribe, supporting 40,000+ users across multiple regions and driving operational maturity across Infrastructure, Services, and Applications.

    Implemented ITIL-based Incident, Change, and Problem Management processes, reducing failed changes by 80% and decreasing user-impacting incidents by 90%.

    Increased SLA compliance to >95% and reduced MTTR by ~40% through governance frameworks, standardized escalation models, and real-time performance dashboards in Jira.

    Built a centralized PMO from scratch, defining project governance, portfolio tracking, and standardized delivery frameworks across 10+ countries.

    Improved on-time project delivery from 45% to 80% and increased stakeholder satisfaction from 6.0 to 9.0 through structured reporting, risk management, and executive visibility.

    Governed a portfolio of 30+ global technology initiatives annually, aligning execution with strategic OKRs and enterprise priorities.

    Led global deployment of Jamf and Microsoft Intune MDM solutions, standardizing endpoint management for 20,000+ devices, strengthening security compliance, and lifecycle automation.

    Directed the Atlassian Cloud migration program, transitioning 1M+ tickets, hundreds of workflows, and multiple integrations from on-premise to cloud with minimal business disruption.

    Owned enterprise collaboration platforms (Jira, Confluence, Google Workspace, Slack), ensuring scalability, performance optimization, and security compliance for a global workforce.

    Provided Level 3 escalation support for complex enterprise application incidents, improving platform stability and user experience.

    Managed strategic vendor relationships (Atlassian, Google, Slack), ensuring SLA adherence, cost optimization, and roadmap alignment.

    Coordinated and mentored 9 direct reports, fostering a culture of operational excellence, accountability, and continuous improvement.
    Application Management Enterprise Application Google Workspace Atlassian Confluence Atlassian JIRA
  • OLX Group
    Finance Services Manager
    E-COMMERCE
    August 2020 - March 2023 (2 years and 7 months)
    Berlin, Germany
    Owned the global Finance Systems Support operations during a major Finance Digital Transformation program, supporting 80+ legal entities across Europe, India, Africa, the US, and Latin America.

    Managed a distributed global team of 30+ FTEs (internal and vendors), providing Level 1 and Level 2 support for critical finance platforms including OneStream, Anaplan, NetSuite, SAP S/4HANA, Coupa, and Expensify.
    Designed a follow-the-sun support model (21x7 operations) ensuring continuous support for finance stakeholders, including CFOs, Controllers, and FP&A teams worldwide.

    Built and deployed a ServiceNow service catalog from scratch, structuring finance services using ITIL best practices, and improving service Request standardization and visibility.
    Reduced average ticket resolution time by 93% by leveraging ServiceNow analytics to optimize workflows, escalation paths, and support processes.

    Optimized global support and vendor operating model while scaling service demand from 500 to 5,000 monthly tickets, reducing operational costs by approximately 18% through outsourcing optimization, license rationalization, and process automation.

    Oversaw a robust Application Management Services (AMS) framework, strengthening collaboration between Finance Product teams and support
    operations while improving service reliability.

    Supported finance process verticals, including Record-to-Report (RTR), Procure-to-Pay (P2P), and Order-to-Cash (OTC), ensuring stability and compliance of the financial systems ecosystem.

    Deployed service governance, SLAs, and performance monitoring, maintaining high levels of satisfaction among global finance stakeholders.

    Owned cross-functional initiatives aligning technology operations with finance transformation objectives, improving scalability, operational efficiency, and user experience for finance teams.
    SAP S4/Hana Netsuite Digital Transformation Finance sector Application Management System

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Education

  • MBA in
    INPG Business School
    2012
    MBA in
  • B.A. in
    Pontifícia Universidade Católica de Campinas
    2002
    B.A. in

Skill set

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