João Freitas

Ability to quickly adapt to new technologies and methodologies, with focus on network protection and threat analysis. Ready to use and develop skills in security monitoring and incident response in Cybersecurity Analyst role.

Cybersecurity Analyst at Cybersecur (2025-03 – Present)

• Analyzed security incidents to identify vulnerabilities and recommend solutions.
• Improved incident response times by developing and maintaining cybersecurity playbooks for common attack scenarios.
• Optimized security monitoring processes by implementing automated tools for real-time threat detection and analysis.
• Improved system resilience with deployment of advanced firewalls and antimalware software.
• Assisted in monitoring network traffic for unusual activity and potential threats.
• Supported incident response efforts by documenting findings and outcomes.
• Collaborated with team members to conduct risk assessments on systems and applications.
• Developed detailed reports on security threats and mitigation strategies for review.

Darktrace Consultant at Banco Angolano De Investimento (2025-04 – 2025-10)

• Install and configure Darktrace sensors and connectors to ensure full visibility across the network.
• Integrate Darktrace with other security tools (SIEM, firewalls, endpoints) when necessary.
• Fine-tune detection and autonomous response parameters, including the Antigena module, which acts as a digital immune system.
• Monitor alerts and anomalies identified by Darktrace's AI.
• Investigate security incidents by correlating data and identifying suspicious behavior patterns.
• Generate technical and executive reports on detected threats, actions taken, and future recommendations.

Junior IT Infrastructure Analyst at Vinet - Serviços Informáticos (2023-10 – 2025-02)

• Assisted in monitoring and maintaining network infrastructure to ensure optimal performance.
• Collaborated with team members to document processes and procedures for system maintenance.
• Designed storage strategies tailored specifically for each business unit's unique needs within budget constraints.
• Tested backup strategies regularly, validating data integrity while maintaining compliance with industry standards.
• Managed virtual server environments using hypervisor technology for efficient utilization of resources.
• Implemented network monitoring tools for proactive identification of potential bottlenecks or outages.

Bachelor of Science in Information Technology – Polytechnic Institute of Technology And Sciences (ISPTEC) (2027-02)