SAINATH CHATHARASI

CCNA Certified Network Engineer | Wireless Automation Testing | Cisco DNAC

- Experienced in Wireless Network Automation, specializing in Cisco DNA Center (DNAC) and cutting-edge networking protocols such as Wi-Fi 6/6E, BGP, L2/L3 protocols (VLAN, STP, OSPF, EIGRP).

- Managing 3 physical testbeds at Cisco’s lab and 1 virtual testbed, optimizing cost-efficient testing while ensuring performance and scalability.

- Developing and executing Wireless Automation test suites using PyATS frame work based on Python, validating technologies including AP association, wireless controllers (WLC), BGP routing, 802.11ax (Wi-Fi 6), WPA3, RRM (Radio Resource Management), and SD-Access.

- Trigger Automation runs through Jenkins Job with specific job configurations.

- Debugging and analyzing automation run results to validate DNAC quality, raising CDET/Product defects for issue tracking and resolution.

- Collaborating closely with Cisco teams from the client’s location to efficiently meet project targets and requirements.

- Expanded Solution Sanity Wireless suite coverage by 29%, effectively handling multiple testbeds.

- Enhanced test coverage by introducing new test cases in Solution Sanity Automation, improving product efficiency.

- Actively tracking and resolving automation script issues via JIRA, while raising CDET tickets for DNAC-related defects.

- Providing troubleshooting insights and logs to Cisco teams for faster issue resolution.

- Led the setup of two physical testbeds in Cisco’s lab, designing JSON and YAML files to define network topology for automation runs.

- Contributed to HCL’s AI Force technology, assisting in training models and feeding data to automate future tasks efficiently.