Jonathan Cubero Calvo

Cybersecurity Analyst with experience in SOC operations, threat hunting, incident response, SIEM/EDR monitoring, IOC analysis, and security event investigation. Experienced in analyzing security events, validating alerts, researching indicators of compromise, supporting incident response escalation, and documenting technical findings and remediation actions. Familiar with enterprise security platforms including IBM QRadar, Splunk, CrowdStrike, Trellix, XSOAR, ServiceNow, threat intelligence platforms, and Azure Fundamentals.

Cybersecurity Analyst (SOC Tier 1) at IBM (2021-01 – Present)

• Monitor and analyze security events using SIEM and EDR platforms to detect advanced threats
• Conduct proactive threat hunting activities and IOC research using threat intelligence sources
• Investigate suspicious activity, validate alerts, and support incident response escalation
• Document incidents, findings, and remediation actions using ServiceNow.
• Collaborate with cross-functional security teams to improve detection and response capabilities

Customer Service Agent at Concentrix (2020-01 – 2021-12)

• Delivered technical troubleshooting and issue resolution in a fast-paced environment
• Maintained performance metrics and supported quality improvement initiatives.

Junior Penetration Testing – FSecurity Academy (2020-01 – 2020-12)

PenTesting & Ethical Hacking – Cybrary (2019-01 – 2019-12)

Cybersecurity Certificate in Cybersecurity – Udemy (2019-01 – 2019-12)

– Hack the Box (2019-01 – 2019-12)