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José Antonio Ferreiro Olvera

José Antonio Ferreiro Olvera

Cyber Security Engineer | SOC Analyst
📍 Mexico City, Mexico · (0) · Member since October 2025
Availability
🏠 Works remotely / from home Yes No
🧰 Travels to client Yes No

Presentation

Cyber Security Engineer with 3.5 years of experience in SOC environments, incident response, vulnerability analysis and vulnerability scanning, and cloud security. Proven track record of handling high alert volumes with strong SLA compliance, supporting higher level teams, and collaborating across global environments. Currently pursuing CompTIA CySA+ certification to expand expertise in proactive Threat Detection and Response.
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Offered services

3 services
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Background

Cyber Security Engineer
British Telecom · 08/05/2023 – 21/10/2024
I investigated and triaged security incidents using Splunk SIEM, Microsoft Defender O365, Microsoft Azure, CrowdStrike, and other tools, managing an average of 180 alerts per month with peaks of up to 240 while maintaining over 90% SLA compliance. I executed remediation for confirmed threats, escalated complex cases, and collaborated across teams to strengthen the organization’s security posture. The role ended following BT’s decision to close its CyberSec and NetSec operations in Mexico.
SOC Analyst T1
IBM · 26/04/2021 – 03/05/2023
I performed triage and classification of alerts, escalating suspicious cases to higher tiers, and conducted vulnerability scans using the Tenable platform. I managed 180–240 alerts per month with consistent SLA compliance, while supporting Tier 2 with cloud security alerts and assisting Tier 3 in vulnerability analysis and VPN-related cases. Additionally, I collaborated with Tier 2 and Tier 3 teams to prepare weekly and monthly executive presentations for my SOC Manager.
Specialty
Universidad La Salle · 2019 – 2019
Cybersecurity
Bachelor’s
Universidad La Salle · 2014 – 2018
Cybernetics and Computer Systems Engineering
🇬🇧English 🇪🇸Spanish
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Working hours

Monday
From08h00To18h00
Tuesday ▪ Today
From08h00To18h00
Wednesday
From08h00To18h00
Thursday
From08h00To18h00
Friday
From08h00To18h00
Saturday
Closed
Sunday
Closed

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