Zeljko “Jay” Vasiljevic

Zeljko “Jay” Vasiljevic, a seasoned cybersecurity professional holding CISSP and GCFA certifications, currently serves as a Senior Cyber Security Analyst at FirstEnergy since May 2025. Prior to this role, Vasiljevic was a Technical Lead II in Cyber Security at Lincoln Electric, where responsibilities included leading incident response efforts and driving security innovations. Vasiljevic's earlier experience includes a Senior Security Analyst position at Sherwin-Williams, focusing on incident response and risk management, as well as system engineering roles at Thompson Hine LLP and McKesson, where system integrity and security updates were prioritized. Vasiljevic's foundational education in Cyber Security and Forensic Technology was obtained from Kent State University.