# Senthil Arunachalam

> Senthil Arunachalam is a founding member and engineering leader at ORDR whose career connects the switching era at Cisco, wireless and software-defined networking at Aruba Networks, and the present challenge of finding and securing connected assets. Public biographies credit him with more than 20 years in wired and wireless technology, leadership on Cisco Catalyst 2K and 3K products, and engineering responsibility at ORDR; patent records also document his work on multicast switching, wireless handoff, data-path encapsulation, and a 2024 ORDR assignment.

- **Role:** Founding Member/Head of Engineering at ORDR
- **Organizations:** ORDR, CloudPost Networks, Aruba Networks, Cisco Systems
- **Education:** B.S. in Electrical Engineering, National Institute of Technology, Tiruchirappalli, M.S. in Electrical Engineering, California State University, Northridge
- **Known for:** Credited by company biographies with leading development of Cisco Catalyst 2K and 3K switch products., Led software engineering work for wireless and software-defined networking products at Aruba Networks., Joined ORDR in 2015 and helped establish its engineering organization as a founding member.

## Career timeline

- **Before 2015** — Held engineering leadership positions in Cisco's Enterprise and Data Center Switching business units, including work associated with Catalyst 2K and 3K switches.
- **Before 2015** — Served as Director of Engineering at Aruba Networks with responsibility for software development in wireless and software-defined networking products.
- **2015** — Joined ORDR at its founding as an engineering leader.
- **2017** — Appointed a director of CloudPost Networks India Private Limited, later ORDR India Private Limited, according to Indian corporate records.
- **2020** — Shared ORDR's launch of its IoT Discovery Program and Ordr Core on LinkedIn.
- **2024** — Executed an assignment to ORDR Inc. for U.S. patent application 18/636,152.

## Achievements

- Credited by company biographies with leading development of Cisco Catalyst 2K and 3K switch products.
- Led software engineering work for wireless and software-defined networking products at Aruba Networks.
- Joined ORDR in 2015 and helped establish its engineering organization as a founding member.
- Named as an inventor on granted patents covering source-specific multicast switching, encrypted wireless data-path encapsulation, and fast wireless handoff.
- Served as a director of ORDR's Indian subsidiary beginning in 2017.

## Latest updates

- **2024-10** — A USPTO record shows Arunachalam assigning U.S. patent application 18/636,152 to ORDR Inc.
- **2023-09** — He reposted ORDR material about growing demand for connected-device security, asset inventory, and protection across IT, IoT, IoMT, and OT environments.

## Links

- Website: https://ordr.net
- LinkedIn: https://www.linkedin.com/in/senthilarunachalam

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Profile page: https://yespress.io/senthil-arunachalam
Published by YesPress — https://yespress.io
Last updated: 2026-09-27