Valentin Stefan

Valentin Stefan is a Senior System Engineer at ACI Worldwide since January 2020, focusing on implementing, configuring, and designing complex systems for various clients while also analyzing and maintaining existing systems. Prior experience includes roles at AT&T, where responsibilities involved maintaining development environments and automating provisioning in cloud settings, and at Voya Financial, managing a diverse range of production environments and supporting VMware infrastructures. Valentin also served in different capacities in companies such as Liquid Analytics and Convergys, overseeing system administration and development projects. With a strong educational background in Computer Science and multiple certifications, including Oracle DBA and WebSphere Application Server, Valentin demonstrates extensive expertise in systems engineering and administration across various platforms and technologies.