MARIANO BARREIRO VARELA
Valencia
Summary
Results-driven IT Operations and Service Delivery professional with 25+ years of experience in infrastructure, workplace technology, and IT service management. Expert in managing critical infrastructure, vendor relationships, budget planning, and technology initiatives. Strong expertise in infrastructure modernization, mergers and acquisitions, and international stakeholder engagement.
Overview
1
1
Certification
18
18
years of professional experience
Work History
Senior IT Consultant
TEXTRON AVIATION
Valencia
01.2022 - Current
- Lead local IT operations for a multinational aviation organization
- Led SD-WAN migration, fiber optic expansion and workplace technology standardization initiatives
- Achieved 100% Internet availability through network resiliency improvements
- Manage 120+ endpoints, 50+ mobile devices and 200+ IT assets
- Coordinated strategic vendor partnerships with DXC, Dell, Vodafone, AT&T, Honeywell, and Movistar to enhance service delivery
- Managed onboarding, offboarding, and lifecycle management processes to streamline employee transitions
- Collaborate with Corporate IT teams across USA and EMEA
- Supported executive leadership and business-critical operations through effective IT solutions
- Multinational aviation organization
IT Consultant
CÁRITAS ARGENTINA
Buenos Aires
01.2020 - 01.2021
- Analyzed organizational needs to recommend IT solutions for community development.
- Collaborated with teams to implement software systems enhancing operational efficiency.
- Managed infrastructure, provided user support, coordinated technology operations, and led service improvement initiatives.
- Trained staff on new technologies and best practices for improved service delivery.
IT Manager
KLINGER ARGENTINA
Buenos Aires
01.2009 - 01.2020
- Led Microsoft 365 migration and Active Directory architecture
- Managed IT operations across two business sites, ensuring seamless support for 100+ users
- Directed MPLS-to-Fiber migration and corporate network redesign
- Implemented business continuity, backup and resilience programs
- Facilitated merger and acquisition integrations for ERP, CRM, and financial systems, enhancing operational alignment
Education
Electrical Engineering - Electrical Engineering
Universidad Tecnológica Nacional (UTN)
Buenos Aires, ArgentinaSkills
- SD-WAN
- Microsoft 365
- Active Directory
- Azure
- Intune
- SCCM
- Exchange Online
- SharePoint
- OneDrive
- PowerShell
- VMware
- Cisco
- Microsoft Defender
- ITIL
- ITSM
- ServiceNow
- IT asset management
- Vendor coordination
- Service improvement
- Service improvement
Certification
- ITIL Foundation Version 5
- EF SET English Certificate (C1 Advanced)
- Furukawa Data Cabling Systems
- ITIL Foundation v5
Experience Years
25
Languages
- Spanish, Native
- English, C1
- Portuguese, B1
Professional Highlights
- 25+ years leading IT Operations and Infrastructure initiatives
- Supports 120+ users and manages 200+ IT assets
- Responsible for approximately €100K annual IT budget
- Achieved 100% Internet availability during the last 24 months
- Direct collaboration with General Manager, Director TIS and VP International Service Centers
- Experience supporting multinational operations across EMEA and North America
- Led SD-WAN migration, network resiliency projects and infrastructure modernization initiatives
- Participated in merger and acquisition integrations involving ERP, CRM and business systems
Timeline
Senior IT Consultant
TEXTRON AVIATION
01.2022 - Current
IT Consultant
CÁRITAS ARGENTINA
01.2020 - 01.2021
IT Manager
KLINGER ARGENTINA
01.2009 - 01.2020
Electrical Engineering - Electrical Engineering
Universidad Tecnológica Nacional (UTN)