Athanasios Kastanis
Sr IT Engineer at Honeywell
Based in Brno, Czech Republic
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Seniority
Staff
Department
Information Technology
Location
Brno
Industry
Appliances; Electrical; and Electronics Manufacturing
Company size
128K
Contact information
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a•••••••@honeywell.com
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Background
About Athanasios Kastanis
Experienced Sr. Network Engineer with a demonstrated history of working in the telecommunications industry. Skilled in wireless implementation and troubleshooting, including WLAN refreshes. My expertise extends to SDWAN deployment and troubleshooting, ensuring optimal network performance and reliability. I have extensive experience in performing software upgrades, both manually and via Cisco DNA, for a range of devices including C3650, C3850, C9300, C9500, Nexus and Dell switches. My role involves troubleshooting LAN connectivity issues and addressing RADIUS and TACACS authentication problems, including whitelisting devices in Cisco RADIUS ISE and configuring devices in TACACS ISE. With a strong focus on network security, my security expertise encompasses working with firewall vendors and proxies, managing firewall rules, routing, VPN and client VPN tunnels. I am skilled in conducting vulnerability assessments to identify and mitigate potential security risks, ensuring robust protection for network infrastructures. Currently working at Honeywell as Senior Network Engineer, functioning also as EMEA Backup OPS Leader.
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