Hakan YILDIRIM

* Leading DevOps, SRE and Cloud Platform teams and projects. * Responsible for designing, planning, managing and providing security of DevOps life cycle, cloud and middleware platforms.(AWS ECS, Azure AKS) * Responsible for planning, organizing and execution of next generation banking strategies to leverage business needs and overall performance. * Analyzing the needs of product and infrastructure teams and providing solutions to meet business objectives. * Leading transformation of legacy applications and platforms to cloud and opensource environment. * Leading implementation of new technologies and investment decision initiatives. * Ensuring that the operational quality standards are achieved with the most efficient indicators. * Managing crisis situations, which may involve complex software, cloud and middleware related problems. * Handling and managing IT change requests within the organization. * Managing the purchasing process of IT software, hardware, licenses and services.

* Leading development of DevOps applications and designing CI/CD pipelines. * Working with software development and infrastructure teams internationally leading DevOps transformation. * Responsible for implementing DevOps best practices into product teams. * Leading implementation of DevSecOps tools and needed developments in CI/CD pipelines. * Designing and implementing microservice segmentation automation with adoption terraform in VMware NSX-T and development workflow in JIRA. * Provision and configuration of on-prem cloud environment in automated way with Infrastructure as Code approach. * Hands on experience with AWS, Azure Cloud Platform and on-prem cloud environments. * Leading development of tools and inhouse applications for monitoring our software development and release processes. * Responsible for containerization application and runtime management on cloud platforms. * Responsible for code quality and security. * Leading setting up monitor and alerting services such as ELK, Prometheus and Grafana. * Experience with Unix/Linux/VM systems.

* Planning architecture, providing maintenence, tuning, configuring security, monitoring, installation and administration of IBM WAS/IHS, WebLogic, JBOSS and Tomcat application servers. * Researching Private Cloud IaaS and PaaS structures, installing and implementing RedHat Openshift environment, working with developers about microservice implementations on that platform. Performing load test and monitoring behaviour of containers, installing local GIT repository. Monitoring applications and infrastructure with hawkular and dynatrace. * Leading and implementation of various critical projects such as internet/mobile banking, CMS, social media projects, campaign management system and POS/virtual POS systems. * Planning infrastructure, deciding platform and application server for the new applications to be deployed. * Performing load and stress tests on applications and taking actions based on the results. * Troubleshooting and problem root cause analysis of application server, OS, code level issues and taking preventive actions. * Investigation of new technologies and providing implementations such as assuring high availability of applications at problem times/deployment times, log management, replicated cache/session solutions and OpenShift PaaS monitoring. * Installation & administration of CA Wily APM. * Designing and planning of infrastructure architecture, installation and administration of cache and session management products such as WebSphere Extreme Scale, IBM Datapower xc10, RedHat JDG servers. * Shell script development for deploying applications to WAS automatically, monitoring of OS resources. * Contribution to the development of my team. * Making documentation for the installation of the products and troubleshooting the problems.

* Installation & administration of IBM WAS, IIS application servers. * SUSE Linux installation maintenance and technical support, security configurations. * Administration of CheckPoint firewall and Cisco LoadBalancer. * Problem determination and diagnosis, monitoring, tuning and trend analysis. * Installation & administration of CA Wily APM. * Installation & administration of WebSphere Portal Server, WebSphere Process Server, BAM server, IBM LDAP Server, IBM Omnifind Application. * Working with several groups like system administrators, architects and application developers

* Installation & administration of IIS, Microsoft Active Directory, Microsoft Exchange Servers. * Installation & administration of CheckPoint firewall,websense, configuring site to site VPN solutions for branches. * Problem analysis, solution and reporting. ( performance analysis, root-cause analysis etc. ) * IT Procurement related task.

* Installation & administration Microsoft Exchange Server. * Installation & administration of CheckPoint firewall,websense. * Network configuration of Motorola routers. * Problem analysis and technical support of connection problems of branches.