Ethem Cem Özkan Email & Phone Number

Nijkerk, Ge, Nl

- Designed a shared VPC to streamline networking between Coolblue and Coolblue Energie.- Implemented cross VPC connectivity using AWS Transit Gateway.- Enhanced security monitoring and threat detection by implementing advanced security features such as GuardDuty.- Migrated SSO systems to a new Azure Entra ID tenant, improving authentication workflows and identity management.- Designing the adoption of Azure cloud services, enabling new business capabilities and integrating with existing infrastructure for hybrid cloud solutions.

Utrecht, Netherlands

- Self service AWS cloud implementation, enabling teams to autonomously manage cloud resources without dealing with AWS complexities like setting up external exposure using API Gateway or integration with self service business intelligence system.- Migrated workload services, databasess, and RabbitMQ brokers to AWS, improving scalability and cost-efficiency. After migrations Enhanced security by implementing WAF and CloudTrail.- Developed and managed Central CI/CD pipelines with configurable deployment options to streamline the development process.- Co-chaired platform future features meetings, gathering feedback, managing developer expectations, and providing regular platform updates.- Implemented keystore and truststore management solution using Ansible, streamlined certificate management and mutual TLS configuration across environments.- Implemented SSO systems using AWS IAM Identity Center and Azure Entra ID.- Built an access request system using DynamoDB, Lambda for managing access to restricted resources securely.- Led AWS cloud modernization efforts, optimizing cloud infrastructure for performance and cost-effectiveness.- Designed and implemented a resource lifecycle management system to automatically delete unused or expired resources, improving efficiency.- Led platform Lambda unit, integration test efforts, improving test coverage and reducing deployment risks by implementing a simplified testing framework.

- Developed and maintained robust CI/CD pipelines to automate and streamline the development and deployment processes across various projects.- Established and managed DTAP environments (Development, Testing, Acceptance, and Production), ensuring consistency and stability throughout the software development lifecycle.- Implemented Windows containers that communicated with proprietary hardware, ensuring seamless integration and enhancing system functionality.

- Managed infrastructure for high-volume, self-developed software used by notaries across Turkey, ensuring system stability and performance.- Assisted in containerizing software solutions, streamlining deployment processes and improving scalability.- Optimized system efficiency by leveraging containerization expertise, enabling smoother operations and faster deployments.

- Leveraged AWS to implement load testing environment.- Participated in CMMI level 3 and 5 review processes.- Managed configuration across development, testing and production environments, orchestrated CI pipelines, automated developer setups, and ensured adherence to CMMI level 5 processes.- Developed and managed infrastructure to Turkey-wide high-volume projects, including the track and trace system for all medical devices.

Doctor Of Philosophy (Ph.D.), Computer Engineering

I completed all my courses for my Ph.D. However, I had to discontinue my studies due to my relocation to the Netherlands.

Master Of Science (M.S.), Computer Engineering

Bachelor Of Engineering - Be, Computer Engineering