Özcan Y.

Designed and implemented advanced DevOps practices to enhance the continuous delivery of key applications;

Deployed and managed applications in AWS Cloud and EKS Kubernetes environments;

Developed Infrastructure as Code (IaC) pipelines using Terraform to manage cloud resources, monitoring, and logging systems;

Deployed microservice applications into AWS EKS, integrated with ArgoCD GitOps toolkit;

Designed and implemented Monitoring as Code pipelines for microservice applications using Kubernetes Operators;

Migrated a semi-monolithic Ruby on Rails application from EC2 to Amazon EKS, ensuring seamless integration;

Led the dockerization of Ruby on Rails applications for deployment in Kubernetes environments;

Implemented Argo CD GitOps pipelines to streamline continuous deployment workflows;

Migrated logging and monitoring systems from AWS CloudWatch to a more efficient stack consisting of Prometheus, Grafana, and Loki;

Optimized cloud infrastructure and DevOps practices, resulting in a 60% reduction in overall cloud costs;

Managed container orchestration and automation using Kubernetes, Helm, and Docker;

Configured and maintained CI/CD pipelines with GitLab for efficient software delivery;

Oversaw the security, scalability, and reliability of cloud-based applications;

Ensured best practices in infrastructure management, deployment automation, and observability.

Deploying and Managing Into AWS Cloud and EKS Kubernetes Environments;

Designing Infrastructure as Code pipeline by using Terraform to manage Cloud, Monitoring and Logging Systems;

Deploying Microservice Applications into AWS EKS integrated with Flux V2 GitOps toolkit;

Designing Dynamic and Complex GitOps Pipelines by using Argo Project Environment;

Designing Monitoring as a Code Pipeline for Microservice applications using Kubernetes Operators;

Implementing the best DevOps practices and providing 7/24 Cloud Operations Support for over 20 Microservice applications;

Acting as a Senior DevOps architect of the team assigned to design and implement DevOps best practices to increase continued delivery of the application, During the project, AWS EKS service was used to set up Auto Scaling and Autohealing microservice deployment. So, uptime has been increased to % 99.9 and overall cloud cost has decreased % by 70;

Migrating CI-CD Pipelines from Jenkins to GitHub Actions. This provided Belletire having auto auto-managed and faster CI-CD Infrastructure;

Migrating Logging Systems from AWS Cloudwatch Logs & Kibana Combination to the Fluentbit & Grafana Loki to reduce cost and having better troubleshooting tools;

Implemented GitOps Pipeline to have a Dynamic, robust, and auto-deploy CI-CD environment by using a combination of Argo CD, Argo Workflows, and Flux CD;

Furthermore, all AWS cloud infrastructure and Monitoring as code by implemented using terraform;

Designing and implementing Azure Container, Funtişons and VNET to deploy Internal Applications integrated with On-Prem datacenter privately and securely by using Terraform and GitHub actions.

Orchestrates the deployment and management of IT infrastructure supporting multiple microservice applications across 25+ AWS accounts, leveraging Kubernetes and AWS Serverless Environments;

Designs Infrastructure as Code (IaC) integrated with CI/CD Pipelines using Terraform and Jenkins, ensuring robust version control and efficient code repository management;

Drives continuous improvement initiatives, focusing on the design of well-documented, secure, and highly available Cloud Infrastructure architecture;

Executes change and request management using Jira and various technologies to architect, develop, and iteratively deploy enterprise-grade software;

Holds accountability for delivering proactive service, application, and performance enhancements, implementing best practices in DevOps methodologies;

Provides round-the-clock Cloud Operations Support for over 20 microservices, implementing and maintaining the best DevOps practices;

Achieved the configuration of 20 AWS accounts to host more than 20 microservice applications within a six-month project timeline. This endeavor significantly increased application isolation, consistency, precise cost measurability, scalability, mobility, and achieved over 99.5% high availability while ensuring a critical 40% annual cost reduction.

Manages and upkeeps large-scale SaaS applications within AWS, integrating them into a DevOps environment while ensuring rigorous version control and code repository management;

Oversees the migration of company infrastructures towards modern Kubernetes, Docker, or VMware clusters for enhanced efficiency;

Develops custom code to achieve automation objectives and implements end-to-end monitoring utilizing Python and Shell Script for continuous surveillance;

Executes change and request management using Jira and diverse technologies, contributing to the development and iterative deployment of enterprise-grade software;

Takes accountability for proactive service, application, and performance, leveraging tools such as Prometheus, Grafana, NewRelic, among others;

Addresses technical issues adeptly by implementing precise strategies aligned with leading DevOps practices, providing round-the-clock support for over 500 Linux OS;

Played a pivotal role in the team responsible for migrating IT Infrastructure from traditional Linux servers to Kubernetes clusters within the AWS EKS Cloud environment;

Throughout the project, orchestrated the migration of over 3000 servers within a span of 6 months, resulting in a remarkable increase in IT services availability (over 99.5%) and achieving a critical annual cost reduction of 30%.

Drives continuous improvement initiatives for cloud-based SaaS systems, actively contributing to overall design enhancements and capacity planning;

Oversees the execution of database software patches and upgrades as part of an AWS Cost Optimization Project;

Conducts comprehensive tech reviews, proactively plans, implements, and maintains operational services for databases, focusing on robust backup and recovery strategies;

Takes charge of Database Consolidation Planning, prepares the Database CI/CD Environment, and leads migrations for Database Consolidation across diverse environments, including AWS, Microsoft Azure, IBM VMWare, and On-Premises Datacenters.

Designs, plans, installs, operates, and maintains Infrastructure across On-Premise, AWS Cloud, and VMWare Cloud Infrastructure. Actively oversees technical operations, providing mentorship and guidance to a team of 5-10 professionals;

Analyzes, implements, and refines DevOps practices, establishing continuous build environments for clients while streamlining processes for efficiency;

Implements automation using appropriate tools and crafts comprehensive, efficient practices within the DevOps framework;

Maintains and oversees the DevOps platform's tool stack and components, utilizing Prometheus for monitoring purposes;

Executes hardware and software updates, migrations, and consolidations. Holds responsibility for budget planning and envisaging future service layout, providing Infrastructure, Database, and Security as a Service;

Designs strategies to ensure SLA-based 24/7 proactive support in alignment with ITIL Foundation V3 standards.

Oversees the Infrastructure Service Layout at IBM Services, ensuring the delivery of highly available, resilient, and scalable solutions;

Acts as a technical leader, directing the design and implementation of information systems, effectively managing a team of three professionals throughout the process;

Holds primary responsibility for crafting the architectural design of infrastructure environments, encompassing Linux, Windows, and RDBMS Systems, within the framework of overall services architecture;

Conducts in-depth analysis of existing systems, provides recommendations on new technologies, and contributes to the development of strategic plans and technology roadmaps;

Designs and implements tailored solutions for memory, CPU, storage, backup, and disaster recovery systems, aligned meticulously with clients’ specific needs;

Demonstrates innovation by creating practical solutions for complex problems and ensuring SLA-based 24/7 support;

Manages a spectrum of migration, integration, and installation projects while delivering architectural programs that synchronize IT initiatives with the overarching business strategy.

Administers, upgrades, and maintains database environments, overseeing Oracle, MySQL, and MSSQL systems, along with high availability setups such as VMWare HA, Oracle RAC, and Replication Systems;

Designed and configure system environments for both Windows and Linux systems, leading system installations, enforcing standards, and scheduling upgrades as necessary;

Monitors performance tuning and ensures automation through shell, batch, and Pl/SQL using Crontab for optimized system functionality;

Develops comprehensive database solutions, defining physical structures, functional capabilities, security protocols, and backup/recovery specifications;

Leads database system installations and implements optimal access techniques, while also maintaining ongoing performance and resolving issues promptly, evaluating and integrating new releases for system enhancement;

Provides round-the-clock support for infrastructure and database operations, troubleshoots technical issues, and identifies bottlenecks for swift resolution.