Responsibilities:Lead and oversee the Infrastructure Service Owner team, managing three dedicated professionals, and foster a collaborative, high-performance work environment.Collaborate with various bank and IT domains to gather requirements, assess technology needs, anddesign comprehensive IT solutions that align with the company's ISO standards.Develop and maintain a strategic technology roadmap, ensuring that all system designs, enhancements, and implementations are in compliance with ISO and other relevant industry standards.Act as a subject matter expert on infrastructure architecture, providing guidance and recommendations for hardware and software selections, data center management, and network configurations.Drive the evaluation and adoption of emerging technologies, cloud solutions, and infrastructure best practices to enhance system performance, scalability, and security.Conduct regular reviews and assessments of existing IT infrastructure, identifying areas for improvement, cost optimization, and risk mitigation.Establish and maintain strong vendor relationships, negotiating contracts, and ensuring cost-effective procurement of hardware and software resources.Collaborate with cross-functional teams to define and implement disaster recovery and businesscontinuity strategies, minimizing system downtime and data loss.Impact:Successfully streamlined the Infrastructure Service Owner team's operations.Facilitated the adoption of automation tools and processes.Implemented proactive monitoring and alerting systems, reducing incident.Established clear KPIs and performance metrics for the Infrastructure Service Owner team.As the IT Solutions Architect and Team Leader of the Infrastructure Service Owner team, I have leveraged my expertise to drive strategic IT initiatives, ensure ISO compliance, and optimize infrastructure operations, ultimately contributing to enhanced system performance and cost savings.

Responsibilities:Led and managed a dedicated team responsible for the Core Banking Systems and Web/MobileBanking Systems of Alpha Bank's subsidiaries, overseeing day-to-day operations, system enhancements, and user support.Collaborated closely with cross-functional teams, including developers, analysts, and businessstakeholders, to ensure the seamless integration and functionality of banking systems.Defined and executed strategic roadmaps for system upgrades, maintenance, and enhancements, aligning technology initiatives with business objectives.Monitored system performance, security, and compliance, proactively identifying and mitigating potential risks and vulnerabilities.Facilitated regular meetings and communication channels to gather feedback from end-users,addressing their concerns and requirements promptly.Conducted in-depth analysis of system metrics and performance data to identify areas for improvement and implement process optimizations.Managed vendor relationships and negotiated contracts for software and services, ensuring cost-efficiency and service quality.Developed and maintained comprehensive documentation, including system configurations, processes,and procedures.Impact:Oversaw the implementation of critical security enhancements for Web and Mobile Banking Systems.Improved customer satisfaction by 15% through the implementation of user-friendly features and streamlined processes in the Mobile Banking App.Reduced operational costs by renegotiating vendor contracts, resulting in a 10% cost savings insoftware licenses and maintenance.Collaborated with the IT team to execute a disaster recovery plan, ensuring business continuity.As the Service Owner for Core Banking and Web/Mobile Banking Systems, I effectively combinedleadership, technical expertise, and strategic vision to deliver tangible improvements in systemperformance, security, and user satisfaction while optimizing operational efficiency.

Responsibilities:2nd Level Application support Manager/Team Lead. (Technologies used Linux, Unix, Aix (IBM Cluster), Kubernetes, MySQL, Oracle SQL, MSSQL, Java, C++, .Net, Nginx, Jboss)Team management and development of 15 2nd level application support engineersKey customer account focal point for production support matters.Incident and Problem Management (ITIL) Incident Reports for Major IncidentsKnowledge Base Article writting and reviewImpact:Overall Backlog reduced by 30%Impoved the resolution times of Major incidents via usage of KB articlesTrained 8 2nd level application support engineers

Responsibilities:2nd Level Application support engineer. (Technologies used Linux, Unix, Aix (IBM Cluster), Kubernetes, MySQL, Oracle SQL, MSSQL, Java, C++, .Net, Nginx, Jboss)Incident and Problem ticket handling (ITIL) via Jira ticketing toolAutomations through Bash Shell and Python scripting languagesIncident Reports for Major IncidentsKnowledge Base Article writting and reviewOn call Shifts during off business hoursImpact:Provided application support for two of the Major Intralot Customer (OPAP and Hellenic Lotteries)Improved the Knowledge base space by establishing standard guidelinesImproved system stability by applying automation scripts

Responsibilities:Member of the US and Global Deployment Comverse (Xura) Team.(Technologies used: RedHat Linux, Solaris, Unix, Veritas Cluster, Oracle SQL, Cisco, IBM BladeCenter, VMWare, Mullins, EMC Storage Solutions)Voice Mail, WHC, NFM, Prepaid, Fundial deployment and upgrade.Impact:Member of the Greek team that delivered the new Voicemail system to Cosmote.

Responsibilities:Technical support of Comverse (Xura) systems. (Technologies used: RedHat Linux, Solaris, Unix, Veritas Cluster, Oracle SQL, Cisco, IBM BladeCenter, VMWare, Mullins, EMC Storage Solutions)Member of the US and Global TAC NGVM Comverse (Xura) TeamComverse (Xura) Voice Mail, WHC, NFM, Prepaid, Fundial deployment, maintenance and upgrade.On call Shifts during off business hoursImpact:Contributed into the overall global ticket backlog reduction.Participated in 4 major project including Russian DST change and Cosmote Voicemail TUI upgrade)Member of US (Boston) team that upgraded Verizon Systems

Mandatory service to the Greek Army as a wireless communications field engineer.Provided service and support to military wireless communication devices.

Incoming, outgoing calls about customer problems, immidiate problem solution on banking matters

IntershipBuild and repair computer systems, install or repair local networks, Hardware and software solutions

Managing product orders and sales worldwide. Invoicing and returns. Administrating the computer systems (backup, updating the electronic storage).Customer service support.

build and repair computer systems, install or repair local networks, Hardware and software solutions