Xabier Aresti Esteban in

Xabier Aresti Esteban

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Cybersecurity Specialist | Cybersecurity Engineering & Architecture at Santander Digital Services
📍 Madrid, Community of Madrid, Spain

Xabier Aresti Esteban is a cybersecurity engineering and architecture specialist at Santander Digital Services. With a background in Telecommunications Engineering from EHU, he has deep expertise in designing and implementing SASE, SSE, and Zero Trust solutions for major financial and tech institutions like Telefónica, BBVA, and Banc Sabadell.

Outside of his direct cybersecurity focus, Xabier shows an interest in broader technology ecosystems, following major companies like IBM and Oracle. He has also pursued education in web application development, completing a university course on Django and VUE, indicating an interest in software creation.

He holds specialized certifications in modern security platforms, including Zscaler Digital Experience (ZDX) and Netskope Security Cloud.

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Experience
5 Years
Current Role
Cybersecurity Specialist | Cybersecurity Engineering & Architecture
Job Level
Junior
Location
Madrid, Community of Madrid, Spain
Personality Overview

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Communication Style
Decision Approach
Work Preference

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Priorities

Topics Xabier cares about

SASE & SSE
A core focus of his recent roles, where he has designed and implemented SASE/SSE solutions using technologies like Netskope and Zscaler.
Zero Trust Security
Possesses extensive skills in Zero Trust Network Access (ZTNA) frameworks and associated technologies like ZPA and NPA.
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Career

Work history

7-2024
Cybersecurity Specialist | Cybersecurity Engineering & Architecture
Santander Digital Services
2-2024 - 7-2024
Cloud Cybersecurity Architect at Telefónica Tech
VASS
11-2023 - 2-2024
Specialist Security Systems at BBVA
Evolutio Empowering the cloud
10-2022 - 11-2023
Cybersecurity Architect at Banc Sabadell
Telefónica Tech
10-2021 - 9-2022
Provision of Industrialized Cybersecurity Services & Technical Consulting
Telefónica Tech
In the press

Media appearances

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Education
9-2017 - 7-2021
Ingeniería de Telecomunicaciones
EHU
2-2022 - 9-2025
Máster Universitario de Ingeniería de Telecomunicación
Universitat Oberta de Catalunya
Social presence
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Behavioral profile

DISC profile (public)

DISC behavioral profile

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