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Julio Alberto Ceballos Camarena

@julioalbertoceballos

Senior Cybersecurity Specialist | Threat Intelligence, OSINT & Incident Response | Perimeter Security (Firewall, SIEM, EDR) | Red Team / Blue Team

Brazil

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Senior Cybersecurity Specialist with more than 10 years of experience in critical environments, focused on infrastructure protection, threat detection, and response to complex incidents.

My profile combines offensive capabilities (Red Team / Pentesting) and defensive capabilities (Blue Team / Incident Response), with a strong focus on network and endpoint security, as well as perimeter security through technologies such as SIEM, EDR, and firewalls.

Experience across the full cyber intelligence lifecycle:
• Collection and analysis of information using advanced OSINT techniques
• Strategic and operational Threat Intelligence
• Threat identification and malware analysis
• Incident response and fraud analysis

I have participated in the management and resolution of large-scale incidents, helping to reduce operational impact and strengthen the security posture.
In addition to the technical side, I have worked as a National Coordinator and Cybersecurity Instructor, leading training programs and developing professionals aligned with real market needs.

Key competencies:
• Offensive and defensive security (Red/Blue Team)
• Network, endpoint, and perimeter security (SIEM, EDR, firewalls)
• Threat Intelligence & OSINT
• Incident Response and Threat Hunting
• Vulnerability analysis and security auditing
• Technical leadership and team training

Languages:
Spanish (native) | Portuguese (advanced) | English (B2, actively improving with private tutoring focused on professional fluency)

Currently oriented toward cybersecurity opportunities in Brazil and international environments.

Experience

Work history, roles, and key accomplishments

Cybersecurity Coordinator & Lead

The Bridge | Digital Talent Accelerator

Jan 2020 - Jan 2026 (6 years)

*Lab & Training Design: Built Red/Blue Team environments for attack simulation and incident response.
*National Coordination: Technical leadership of cybersecurity training across universities in Spain.
*Training & Mentoring: Instructor in Pentesting, SOC, and Incident Response.

Cybersecurity Threat Analysis Incident Response Teaching Leadership

Incident Response & Threat Hunting

Italtel S.A/Telefónica S.A

Apr 2017 - Jan 2020 (2 years 9 months)

*OSINT & Threat Hunting: Proactive tracking of threats and intelligence collection.
*Incident Management: Response and containment in critical infrastructures.
*Attack Vector Analysis: Traffic and pattern assessment to find entry points.
*Forensic Support: Technical collaboration in incident response and evidence.

Incident Response Threat Hunting Infosec

Information Security Analyst

Italtel

Apr 2015 - Feb 2017 (1 year 10 months)

*Incident Response: Detection, analysis, and containment in critical environments.
*Security Tooling: Operation of SIEM, Firewalls, and EDR for monitoring.
*Log & Vulnerability Analysis: Assessing logs to fix attack vectors.
*Technical Communication: Drafting incident reports and remediation liaison.

Incident Response Infosec

Open Source Intelligence Analyst

British Petroleum

Apr 2014 - Feb 2015 (10 months)

*Operational Communication: Technical liaison for security tickets and incident resolution.
*Support Reporting: Documentation on workstation status and compliance.
*IAM: Coordinating access control and permissions for critical systems.
*Monitoring: Alert tracking and reporting anomalies to management.

OSINT Intelligence Analysis

Open Source Intelligence Analyst

Agencia Medialuna

Apr 2013 - Oct 2013 (6 months)

*OSINT Investigation: Advanced research to identify digital risks and threats.
*Client Communication: Delivering reports on trends and vulnerabilities.
*Crisis Monitoring: Tracking real-time incidents for rapid data responses.
*Data Analysis: Turning open-source info into actionable intelligence.

OSINT Intelligence Analysis

Education

Degrees, certifications, and relevant coursework

Universidad Rey Juan Carlos

Master's Degree, Engineering

2018 - 2019

Grade: 7.3

Activities and societies: Cryptography and Cryptanalysis, Secure Networks and Communications, Vulnerability Exploitation, Privacy and Anonymity, Secure Software, Malware Engineering, Identity and Access Management (IAM), Risk Analysis and Management, Incident Response

Master's degree in Cybersecurity Engineering and Privacy from Universidad Rey Juan Carlos.