Create AWS infrastructure framework, deployment process and support CI/CD. Implement infrastructure as code with CodePipeline and CloudFormation templates; automate cloud application and infrastructure processes. Deploy and manage Kubernetes cluster with Istio mesh; set up monitoring and alerting in CloudWatch; create Selenium UI validation tests and integrate with pipeline; troubleshoot escalated operation issues.

Senior DevOps Engineer at Raiffeisen Bank

January 1, 2019 - May 1, 2021

Automate and support development processes; integrate new AWS cloud-based applications with existing banking environment; manage production secrets; set up monitoring and alerting including Kibana/Grafana; configure identity provider integration with external SAAS; troubleshoot complex cloud issues.

Senior DevOps Automation Manager at SAP Hungary

January 1, 2015 - December 1, 2018

Lead a team of engineers to automate SAP SuccessFactors DC implementations; create release deployment processes for SAP HCM apps in SAP Cloud and public cloud (AWS, Azure); manage CI/CD integration with Rundeck and Jenkins; analyse performance bottlenecks and optimize applications in cloud environments; manage onsite/offshore teams using Agile Kanban and Scrum.

Middleware specialist at Nokia-Microsoft

June 1, 2013 - December 1, 2014

Middleware datacenter platform creation and application migration to new platform; plan and manage migration of Iplanet/Sun One servers to new x86 VMware RHEL Satellite platform; upgrade and migrate Oracle WebLogic servers and portal; manage JDK upgrades and performance tuning.

Principal engineer at Oracle Hungary Ltd.

September 1, 2012 - June 1, 2013

Oracle OBIEE 11g/weblogic specialist; build internal HRA Data Warehouse processes; design fact/dimension data structures; develop BI reports/dashboards; perform ETL/informatica/dac work; assist in data migration projects (e.g., Oracle EMEA iRecruitment).

Senior Performance engineer / consultant at Credit Suisse

January 1, 2010 - August 1, 2012

Banking platform optimization and performance tuning; participate in design phase, plan performance testing scenarios; conduct PT runs with LoadRunner; analyze results and propose performance improvements for core CS platform.

J2EE senior developer at Nokia/Espoo

February 1, 2007 - December 1, 2009

Design and implement J2EE applications based on WebLogic Portal; develop portlets, EJBs, web services; perform performance tuning and deployment automation; manage Unix/Linux deployment scripts and support BEA patches.