Arun Thomas

Arun Thomas is a Principal Engineer in the Network Platform Group, Cisco Systems. Arun serves as an architect on the Cisco Catalyst Center. His primarily responsibilities include the Catalyst Center API footprint, the networking platform that enables all the applications on Cisco Catalyst Center, and improving the serviceability of the platform. He's often pulled in to address thorny problems with the internals of Catalyst Center, and engages with customers and partners, both to collect feedback on new ideas or implementations, and to troubleshoot when obstacles arise. He was instrumental in driving the commitment to API backward compatibility, continues to be actively engaged with ensuring that new capabilities are backed with API support, and participates in exposing many of these capabilities via the AI Assistant and MCP server efforts. In addition, more recent work includes efforts around integrating post quantum cryptography, and enabling support for Cisco Live Protect. Arun engag