Jeff Thullen
About Jeff Thullen
Jeff Thullen is a Senior Network Architect with extensive experience in network access control and security, currently working at The Cincinnati Insurance Companies. He has a strong background in managing Cisco technologies and has held various roles in network architecture and management since the 1990s.
Work at The Cincinnati Insurance Companies
Jeff Thullen has been employed at The Cincinnati Insurance Companies since 2011, where he currently holds the position of Sr. Network Architect. His tenure at the company spans over 13 years. Prior to his current role, he served as a Sr. Network Analyst from 2004 to 2011 for a total of 7 years. His work is based in the Cincinnati, Ohio area, specifically in Fairfield, OH.
Education and Expertise
Jeff Thullen studied at The Ohio State University, where he earned a Bachelor of Science (B.S.) degree in Management Information Systems from 1989 to 1993. He also attended Colerain High School from 1986 to 1988. His educational background supports his extensive expertise in network architecture and management.
Background in Network Security and Management
Jeff Thullen has extensive experience with Cisco NAC and Cisco ISE, which are critical for network access control and security. He is proficient in managing and configuring Cisco Catalyst 6500 series switches and has expertise in configuring and managing Cisco ASA 55x0 series firewalls. Additionally, he is skilled in implementing and managing Remote Access VPN and SSL VPN solutions.
Mobile Device Management Experience
Thullen has a strong background in Mobile Device Management, ensuring secure and efficient management of mobile devices within the network. This experience is essential for maintaining security and functionality in modern enterprise environments.
Previous Experience at Ohio Casualty Group
Before joining The Cincinnati Insurance Companies, Jeff Thullen worked at Ohio Casualty Group as a Network Team Leader from 1994 to 2004 for a total of 10 years. This role contributed to his extensive knowledge and skills in network management and architecture.