# Prem Jonnala > Principal Software Engineer at MapR Technologies Location: San Jose, California, United States Profile: https://flows.cv/premjonnala Expertise in building innovative, high-quality and robust software systems / solutions. Specialties - System/Software Architecture Proven track record in developing applications to low level system software Application and System software for multi-billion dollar Catalyst 4000, 4500 and 3800 series of switching products Innovative with patents in several areas – systems, protocols, security and others ## Work Experience ### Principal Software Development Engineer @ MapR Technologies Jan 2016 – Present | Hyderabad Area, India ### Sr. Principal Software Engineer @ Broadcom Inc. Jan 2015 – Jan 2016 | Hyderabad Area, India Worked on developing open-source drivers for Broadcom networking chipsets, and co-ordinating with open source community for defining the driver interfaces and functionality. ### Technical Leader @ Cisco Systems, Inc. Jan 1999 – Jan 2016 | San Francisco Bay Area * Cloud gateway to schedule jobs across heterogeneous clouds. * XML, XSL/XSLT, XPath, JSON technologies based compiler - Lead on the scripting based compiler for automatic code generation. * Python/Perl based software / ASIC qualification environment. Involved developing infrastructure and scripts to validate ASIC functionality before manufacture. * Python based profiler for software profiling. * Layer-2 to Layer-7 (stateless/stateful) classification - Software Lead involved closely with System/Hardware Architecture, Software Design, etc. for the Application Services card. Team of 15+ engineers. * Software Lead for ASIC verification by software/hardware co-existence for next-gen platform. * Low level System Bringup including support for new File Systems, Rommon (bootloader), TLB management, etc. * Power over Ethernet (PoE)** - Cross-Cisco expert involved in driving various software/hardware issues in many generations of technology, across various platforms. * Protocols - Power Negotiation Protocol** (a variant of this adopted by IEEE 802.3at) * Security/Qos - Design and Development of features such as Port Security**, Dynamic Arp Inspection** (DAI), Cos Mutation, etc. ** Patents filed/issued in these areas ## Education ### MS in Computer Science New Mexico State University ### B.E. in Computer Science & Engineering Osmania University ## Contact & Social - LinkedIn: https://linkedin.com/in/pjonnala --- Source: https://flows.cv/premjonnala JSON Resume: https://flows.cv/premjonnala/resume.json Last updated: 2026-04-12