Ritesh Chavan

Cisco ISE & Wireless Lead Engineer with 8+ years of experience in NAC, 802.1X authentication, TACACS+, WLC 9800, Aruba Wireless, Enterprise WLAN, and Network Security Operations. Expertise in Cisco ISE deployment, posture, wireless troubleshooting, RF optimization, Cisco Catalyst infrastructure, and enterprise wireless support. Strong hands-on experience in Cisco ISE migration, TACACS administration, Aruba Wireless, Meraki troubleshooting, team leadership, and stakeholder coordination.

Team Lead – Network Engineering - Velocis Systems Pvt. Ltd. - Maharashtra, India

(2023-11)

Leading enterprise Cisco ISE and Wireless infrastructure projects.

• Managing a team of network engineers for technical delivery and operations.
• Handling Cisco Catalyst 9800 Wireless Controller deployment and troubleshooting.
• Managing Wired/Wireless 802.1X authentication, Posture, and TACACS+ implementation.
• Performing Cisco ISE upgrades, migration, patching, and policy optimization.
• Coordinating with Cisco TAC and Aruba TAC for critical issue resolution.
• Handling enterprise WLAN troubleshooting, RF optimization, and escalation management.

Sr. Network Support Engineer - Tech Mahindra Ltd. - Maharashtra, India

(2022-07 - 2023-11)

• Provided L2/L3 support for Cisco ISE and Wireless infrastructure.
• Worked on Dot1x, MAB, TACACS+, and Posture troubleshooting.
• Supported Cisco WLC 9800, 5520, and 3504 Wireless Controllers.
• Handled wireless client connectivity, authentication, and roaming issues.
• Worked on ITIL-based incident, change, and problem management.

Network Engineer - Velocis Systems Pvt. Ltd. - Maharashtra, India

(2021-06 - 2022-07)

• Managed Cisco Wireless and Aruba wireless deployments.
• Supported Cisco ISE authentication and authorization configurations.
• Worked on WLAN optimization, AP deployment, and RF troubleshooting.
• Handled enterprise network troubleshooting and customer support.

Network Engineer - Dimension Data India Ltd. (NTT DATA) - Maharashtra, India

(2019-03 - 2021-06)

• Worked on enterprise network operations and wireless support.
• Managed routing, switching, and WLAN troubleshooting activities.
• Supported enterprise users for wireless connectivity and network operations.

Technical Support Engineer - Vodafone – Super Wi‑Fi Go - Maharashtra, India

(2017-03 - 2019-02)

• Supported enterprise and customer wireless deployments.
• Performed wireless troubleshooting and network support operations.
• Handled Wi‑Fi connectivity, AP troubleshooting, and customer support.

Bachelor of Engineering - Electronics & Telecommunication - Sant Gadge Baba Amravati University (2016)