Open to opportunities

Txilor Alvarez

@txiloralvarez

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Cybersecurity analyst in training focused on threat detection and network defense.

Colombia

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What I'm looking for

I seek a hands-on cybersecurity role focused on threat detection, network defense, and continuous skill development within a collaborative, security-first team.

I am a cybersecurity analyst in training with a strong foundation in network defense, threat detection, and vulnerability assessment.

Certified through the Google Cybersecurity Certificate and trained in computer science fundamentals via Harvard’s CS50, I combine practical skills with a deep understanding of how to protect systems and data.

I have experience using Linux, SQL, Python, and basic SIEM tools, and I have overseen and maintained IT infrastructure to ensure optimal system performance and security.

I am passionate about securing digital environments, continuously developing my skills, and applying hands-on experience in system support, troubleshooting, and coordination to reduce downtime and improve operational efficiency.

Experience

Work history, roles, and key accomplishments

Cybersecurity Analyst

Universidad Libre

Jan 2025 - Jan 2026 (1 year)

Trained in network defense, threat detection and vulnerability assessment through a cybersecurity certificate program, applying practical skills in SIEM basics and pentesting fundamentals.

Threat Detection Vulnerability Assessment SIEM Penetration Testing Linux Python

System Administrator

Altadireccion SAS

Jan 2012 - Jan 2020 (8 years)

Oversaw and maintained IT infrastructure, managing user support, system upgrades, backups and network troubleshooting to minimize downtime and improve operational efficiency.