Istanbul, Türkiye
Cybersecurity Engineer with experience in threat intelligence, SIEM, SOAR, EDR, XDR, and cloud security. Strong background in vulnerability assessment, incident response, and data protection.
• Performed regular web penetration tests on Getir’s domains using Burp Suite Pro to find and fix security vulnerabilities. • Managed CrowdStrike operations from L1/L2 analysis and policy tuning to developing detection rules and automated workflows using Next-Gen SIEM and Fusion SOAR. • Performed CTI analysis to identify emerging threats and applied a Purple Team approach for better defense.
• Conducted threat intelligence analysis to identify, contextualize, and prioritize emerging cyber threats. • Administered Google Chronicle SecOps and IBM QRadar for SIEM and SOAR operations—configured detection rules, triaged alerts, and automated response workflows to improve threat visibility and incident response. • Deployed, optimized, and monitored CrowdStrike Falcon and Symantec EDR as part of Managed Detection and Response (MDR) services for endpoints and cloud environments. • Performed vulnerability assessments, cloud security reviews, and occasional offensive engagements using the All in Cyber framework.
• Identified and reported critical vulnerabilities in web applications via platforms like HackerOne. • Specialized in session management, authentication, and access control flaws. • Utilized tools such as Burp Suite and Kali Linux for advanced security testing. • Earned monetary rewards and recognition for responsible vulnerability disclosures.
• Conducted security threat identification and mitigation under the mentorship of the CISO. • Applied secure network architecture and encryption methods to protect communications. • Managed security risk assessments and implemented secure access controls. • Completed the CompTIA Security+ certification training.
• Analyzed and queried data on the AdventureWorks2019 database using MS SQL Server, creating datasets for reporting and business insights. • Built interactive Power BI dashboards and performed data preprocessing and analysis using Python to support data-driven decision making.