IT Operations · Infrastructure · Tenerife

IT that just works, so the business never has to notice.

I'm Ezequiel Pereyra. For 8+ years I've run infrastructure, support and IT projects in industrial and international environments. Today I work from Tenerife with companies across the Canary Islands and Spain.

Professional profile
8+years in IT
99,9%incidents closed within SLA
−25%standard resolution time
5countries coordinated
Vestas · Regional IT Specialist | IT Manager2022–2026
Independent IT consulting · Companies across sectorsSince 2024
PAE Global · Assistem · Systems Manager2017–2022

Stack

Active DirectoryMicrosoft 365Entra IDGoogle WorkspaceIntuneSCCMAutopilot / MDTServiceNowWindows ServerUbiquitiCiscoVLANVPNFirewallsWi‑FiCCTVBackup & DRZoom / Teams RoomsAzureAWSPowerShelln8n

Projects

Real projects, with names and scope.

Vestas and PAE come from my in-house roles; the rest are independent consulting clients.

Featured · Vestas Argentina

Regional IT operations

Regional role covering Argentina, Chile, Mexico, Peru and Uruguay: coordinating global and local IT teams, vendors and projects.

99.9% of incidents closed within SLA−25% in standard resolution time

Regional IT asset recovery & lifecycle

Regional initiative across three countries

Coordinated IT asset recovery and lifecycle management across three countries, aligning global IT, local support teams, remote wind farms, warehouses, offices, procurement, finance and external providers.

  • Improved asset traceability, inventory accuracy and corporate security through structured recovery and allocation processes.
  • Coordinated equipment returns, shipments, procurement needs and asset reassignment to optimize logistics and resources.
  • Used tools and automation to streamline follow-up and give visibility to outstanding tasks.
RecoveryInventoryReassignment

Reported outcomes: 96% asset recovery rate and 20% cost optimization (measurement criteria pending validation).

Independent consulting

Clients across different sectors.

Client · Hospitality

Cabaña Las Lilas — Network modernization

Improved the network infrastructure of a high-volume, premium restaurant in Buenos Aires, focusing on wireless connectivity, segmentation, security and operational reliability.

  • Improved Wi‑Fi for both customers and internal operations with Ubiquiti equipment.
  • Configured and organized Ubiquiti switches: port management and connectivity.
  • Implemented VLAN segmentation to separate guest access from the operational network.
  • Ran wireless scans and optimized channel selection to reduce interference and stabilize connectivity.
Internet2 switches Guest Wi‑FiInternal network 7 ACCESS POINTS · 4 VLANS

2 switches · 7 access points · 4 VLANs. Ubiquiti, managed switches, VLANs, Wi‑Fi optimization and network security.

Client

Frigorífico La Octava — IT infrastructure & support

Managed and improved the company's IT infrastructure across a mixed technology environment: Windows Server, Microsoft 365, networking, cabling, switching, CCTV, backups and UPS-based contingency planning.

  • Server, user and license administration.
  • End-to-end CCTV installation and maintenance.
  • Technical support across networks, systems and operational continuity.
  • Advice on IT equipment needs and coordination of hardware sales and deployment.

Windows Server · Microsoft 365 · Networking · CCTV · Backup & continuity

Client

Trinity College London — End-to-end IT and an office opening

Covered the organization’s IT end to end, including the opening of a new office and an improvement plan for users and the way they work.

  • Microsoft 365 / Google Workspace administration: users, licenses and access
  • Networking and Wi‑Fi
  • Remote technical support
  • Hardware purchasing and deployment
  • Backups and data security
  • Video conferencing and rooms (Zoom / Teams)
  • Opening of 1 new office
  • Improvement plan for users and ways of working
Client · Industry

Cartones América · INPACO — IT for a 24/7 operation

The operation never stopped, and when something failed someone had to be on site. I took care of IT end to end: servers and network, Active Directory, users and licenses, equipment support and maintenance, backups and continuity, security (firewall, VPN and access), and purchasing and IT vendor coordination.

Client

EcoBolsas — IT from scratch

  • IT setup from scratch: equipment, email and users
  • Migration to Microsoft 365 / Google Workspace
  • Network and Wi‑Fi
  • Remote support

PAE Global / Assistem

My time as Systems Manager, 2017–2022.

PAE Global / Assistem

IT operations & service management

Ran day-to-day IT operations for a 150-employee organization: Buenos Aires headquarters plus remote assistance to branches in other locations.

  • End-user support, systems, infrastructure, software, email, IT assets and licensing.
  • Vendor coordination and escalation of complex incidents.
−40% network outages−20% Microsoft licensing cost−40% support resolution time
PAE Global / Assistem

Corporate events & technical delivery

Planned, coordinated and delivered IT support for corporate conferences and events: technical preparation, equipment readiness and on-site assistance throughout each event.

100+ events and conferences
PAE Global / Assistem

IT transition & integration

Supported the IT and systems transition after PAE's acquisition of Assistem, aligning technology, systems and working practices with the corporate environment and keeping the business running.

Who I’ve worked with

Companies and institutions.

Vestas
PAE Global
Assistem
Cartones América · INPACO
Cabaña Las Lilas
Indartubo S.A.
Estudio Blanco & Asociados
Marti
Estudio Contable Almirón
SIPROI
Polivoda
Myca S.R.L.
Pilotes Trevi
Trinity College London
Frigorífico La Octava
EcoBolsas
Racecourse Association
Estudio Lynch

Services

What I can do for your company.

From day-to-day operations to projects and purchasing. Whatever you need, with a single point of contact.

Infrastructure & networks

Wired and Wi‑Fi networks, VLANs, VPN, firewalls, switching, CCTV and Windows servers.

Microsoft 365 & Google Workspace

Users, licenses, access, identities (Entra ID) and migrations.

IT operations & support

Remote and on-site support, incident and SLA management with ITSM (ServiceNow).

Security, backup & continuity

Backups, disaster recovery, access control and contingency plans.

IT projects & team coordination

Coordination of IT teams and projects: office openings, rollouts and transitions.

Purchasing, vendors & hardware

Equipment selection, purchasing, logistics and management of local and international vendors.

IT budget & forecasting

Budgeting, spend forecasting and control of licenses and costs.

Automation

PowerShell and n8n workflows to eliminate repetitive manual tasks.

Portrait of Ezequiel Pereyra

About me

Who I am.

I’m an IT professional with 8+ years managing operations, infrastructure and support in industrial and international environments.

At Vestas I worked on regional IT operations for Argentina and Mexico, with reach into other countries in the region, coordinating global teams, vendors and projects. Today I also run independent consulting for clients across sectors.

I combine technical knowledge with operational management: I solve problems, coordinate people and vendors, and keep improving processes.

Where

Tenerife, Canary Islands

Languages

Spanish (native) · English C2

Approach

Hands-on and business-oriented

Independent IT consultantTenerife and remote
Regional IT Specialist | IT ManagerVestas
Systems ManagerPAE Global · Assistem

How I work

Three steps, no detours.

01

Listen

I learn how you work today, what breaks and what slows you down.

02

Propose

I set out clear priorities, scope and costs before touching anything.

03

Deliver

I implement, coordinate the vendors and stay with you until it works.

Contact

Tell me what you need.

Write me a little about your company and what you want to solve. I’ll reply by email.

WhatsApp