Trendyol - Cyber Security Detection Engineer

• Manage, maintain, and tune the SIEM infrastructure to ensure high-performance log ingestion, processing, and query speeds. • Lead the automation strategy by authoring comprehensive runbooks and developing custom scripts. • Design, implement, and continuously fine-tune high-fidelity detection rules. • Partner with stakeholders and cross-functional teams (Engineering, Product, SRE, IT, Legal) to adapt in a dynamic security landscape. • Evaluate and implement emerging security technologies and methodologies to continuously enhance our security posture and operational efficiency. • Ensure compliance with security standards and regulations (e.g ISO27001, PCIDSS) Support audits and security assessments by ensuring controls are properly implemented and evidenced. • 3+ years of experience in security. • Manage and optimize the performance of SIEM platform to ensure effective security monitoring, incident detection, and response. • Author comprehensive runbooks, write automation scripts, and build SOAR (Security Orchestration, Automation, and Response) capabilities to reduce manual intervention and improve response times. • Design, implement, and fine-tune advanced detection mechanisms to proactively identify potential security threats and vulnerabilities. • Utilize MITRE ATT&CK, Cyber Kill Chain, and other frameworks for threat modeling, detection strategy, and incident response. • Hands-on familiarity with cloud security, Kubernetes, and modern CI/CD environments. • Support ongoing security compliance, audit, and certification programs. • Experience with Unix/Linux environments. • Excellent analytical and problem-solving skills. • Strong written and verbal communication skills in English. • Certifications such as CISSP, GCIH, GCFA, CEH, or GCDA are preferred.