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Kaan YILDIRIM

Cell: +90 539 521 40 17
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Site Reliability and Operations Engineer with production experience in data analysis, ETL workflows, SQL, automation, and distributed systems within large-scale telecom and technology environments. Experienced in production operations, incident management, troubleshooting, root cause analysis, and service reliability, with hands-on experience using Spoon / Pentaho Data Integration, MySQL, PostgreSQL, MongoDB, Redis, and OpenSearch for data transformation, reporting, and production analysis. Strong background in Python and Bash automation, Linux-based systems, AWS infrastructure, monitoring, and observability. Combines a strong operations and reliability engineering background with data-oriented problem solving to build and support reliable, maintainable, and production-grade systems and data workflows.

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

Telenity EMEASite Reliability Engineer / Mar.2024 - Mar.2026

  • 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


TSA International Cert.Electrical Electronics Engineer / Sep.2022 - Mar.2024

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

Yupana IncTelecommunications RAN Engineer / Jan.2022 - Sep.2022

  • 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.)

4K International Cert.Electrical Electronics Engineer / Jan.2021 - Dec.2021

  • Hybrid cloud storage and video streaming management
  • Site discovery, planning, inspection and reporting of electrical systems
Certs

AWS

Microsoft

Future Cloud Carrer

Skills
Data Engineering & ETL Spoon / Pentaho Data Integration (PDI), ETL, Data Extraction & Transformation, Data Validation, Data Aggregation, Reporting Pipelines
Databases & Data Analysis SQL, MySQL, PostgreSQL, MongoDB, Redis, OpenSearch, Query Optimization, Production Data Analysis, Log Analysis
Programming & Automation Python, Bash/Shell
Cloud & Infrastructure AWS, Azure, GCP, EC2, ELB, Docker, Kubernetes, AWS EKS, Azure AKS
Monitoring & Observability Grafana, Prometheus, PRTG, AWS CloudWatch Logs Insights, CDN Access Logs, Application Log Analysis
Networking & Systems Linux, Windows, BGP, DNS, Nginx, CDN Infrastructure, Anycast Routing
Development & Tools Postman, Jira, Agile
Education

Kütahya Dumlupınar University

Bachelors Degree in Electrics and Electronics Engineering

Aydın Adnan Menderes University

Masters Degree in Econometrics

References

Tezcan Koray

Operations Senior Manager / Telenity EMEA

Mustafa ÖZDEMİR

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

Samet GÜNDOĞDU

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

Ömer Faruk BARUT

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