Kaan YILDIRIM

Experience

MedianovaCustomer Success Engineer / Mar.2026 - Present

Monitoring CDN infrastructure health across distributed global PoPs using Grafana and PRTG; managing alert thresholds and on-call incident response
Performing L2 incident investigation and root cause analysis (RCA) for streaming, HTTP error, and cache behavior events; escalating to L3 with detailed findings
Troubleshooting BGP session failures, anycast routing anomalies, and upstream timeout issues across geographically distributed nodes
Analyzing raw CDN access logs and Touchstream stream health alerts to identify origin misconfigurations and bitrate threshold violations
Drafting incident summary reports and customer-facing communications for critical service disruptions in a 24/7 operations environment
Coordinating cross-team PoP activation and peering alarm resolution workflows with network and reliability engineering teams

Managed reliability of telecom billing and subscription platforms serving 10M+ subscribers across Kuwait and Bangladesh markets
Performed Java service deployments by transferring application binaries via FTP and managing service lifecycle (start, stop, restart) on Linux hosts
Collected and analyzed heap dumps and thread dumps to diagnose memory leaks, thread contention, and JVM-level performance degradation in production services
Investigated service-specific application logs to identify root causes of OTP flow failures, race conditions, and API integration errors across multi-service telecom platforms
Developed Bash automation scripts to reduce manual operational overhead for recurring deployment and monitoring tasks
Performed advanced data analysis and query optimization on MySQL, PostgreSQL, and MongoDB for production incident resolution
Operated and optimized AWS infrastructure (EC2, ELB, Redis, OpenSearch) for production telecom services; performed capacity analysis and incident response
Worked in Agile teams using Jira for sprint planning, incident tracking, and cross-team delivery coordination

Developed automation scripts for recurring operational tasks, reducing manual intervention time
Hybrid cloud storage management
Site discovery, planning, inspection and reporting of electrical systems

Preparing scripts for new sites and carrier additions
Testing scripts and creating new configuration versions
Performing integrations with support field team
Troubleshooting newly integrated sites on Ericsson Systems (Transport, ENM Synchronization etc.)

Certs

Skills

System	Linux, Windows
Scripting	Bash/Shell, XML
Cloud	AWS, Azure, GCP
Containerisation	Docker, Azure AKS, AWS EKS Kubernetes
Testing	Postman
Monitoring	Prometheus, Grafana, PRTG
Networking	BGP, DNS, Nginx, CDN Infrastructure, Anycast Routing
Log Analysis	CDN Access Logs, AWS CloudWatch Logs Insights, Raw Log Parsing
Programming	Python, Typescript, Angular

Education

Bachelors Degree in Electrics and Electronics Engineering

Masters Degree in Econometrics

References

Operations Senior Manager / Telenity EMEA

Virtualization Expert / Türkiye Finans Katılım
+90 535 687 19 92

Site Reliability Engineer / THY Technology
+90 555 573 73 69

Operations Team Lead / Trendyol Go
+90 505 784 00 27