# Girish Jagadeesha > Staff Software Engineer, Zscaler Location: San Francisco Bay Area, United States Profile: https://flows.cv/girishjagadeesha Senior software engineer with 10+ years of experience in Networking industry. Currently I am working in HPE Aruba. Previously I have worked in Ericsson, Tellabs and Alcatel in Layer 3 unicast and multicast protocols. I have also worked with Cisco and have designed and implemented Layer 2 protocols there. I have also worked in design and implementation of many infrastructure technologies for the system as well. At Ericsson I was the technical lead for ERS 5.0 releases. I have been involved with the system design, project and release planning, leading and working closely with multiple teams across geographies. ## Work Experience ### Staff Software Engineer @ Zscaler Jan 2021 – Present | San Jose, California, United States ### Senior Software Engineer @ Aruba, a Hewlett Packard Enterprise company Jan 2016 – Jan 2022 ► Worked on enhancing and supporting Aruba’s configuration manager. Added new features like multiversion, upgrade and downgrade capability, and Inclusive language support for the configuration module ► Configuration as a service: Worked on enhancement and support of configuration module’s migration into cloud. ### Systems Engineer @ Ericsson Jan 2013 – Jan 2016 ► Worked as technical coordinator for ERS 5.0 release. Was responsible for technical inputs to the project, coordinating with all teams and prioritizing projects. ► Restructured OSPF, MSDP, VRRP and various other infrastructure components to remove bottlenecks and improve performance. ► Designed and led various new enhancements to ERS routing suite, including support for Interoperable IP networks for IS-IS, BFD support for IPv4 and IPv6 multicast, VR awareness of VRRP and others. ► Worked on changes for IS-IS protocol in IPOS as part of support for segment routing. Implemented IS-IS enhancements for distribution of Link-State, Traffic Engineering information using BGP. ### Sr Software Engineer @ Tellabs Jan 2011 – Jan 2013 ► Designed and developed VPN Manager for Tellabs 9200 platform using Metaswitch's DCL code. ► Restructured Metaswitch's DCL code of Route Label Manager by rewriting RLM state machine in DCL codebase, adding new MIBs, HA and ISSU support. ► Developed and maintained Tellabs GENIOS’s FIB. Enhanced it to support HA and restart capabilities, also added support for Layer 3 Virtual Private Network (L3VPN) ### Software Development Engineer Specialist @ Alcatel-Lucent Jan 2008 – Jan 2011 ► Enhanced PIM implementation by adding support for point to multipoint tunnel interfaces and source redundancy using PIM. Provided on-going support and maintenance of PIM. ► Designed and developed extension of MTRACE to support IPV6 protocol. ### Software Engineer @ Cisco Jan 2006 – Jan 2008 ► Designed and developed of Data center bridging capability exchange protocol (DCBXP) for NX-OS. Also implemented a full-fledged Link Layer Discovery Protocol (LLDP) which is used by DCBXP. ► Developed and maintained plugin infrastructure which allowed customers to load software dynamically into a running system. ► Involved in enhancement and maintenance of File system daemon (fs-daemon) which provides an easy access and view, of the file system to the Command Line Interface (CLI) ### Student Programmer @ Information Sciences Institute Jan 2004 – Jan 2006 ► Designed and developed a simulator for a new computer architecture; a machine capable of doing operations on graphs in parallel. ► Developed a web based tool, for perceptron model analysis. ### Software Engineer @ Intel Technologies Inc Jan 2002 – Jan 2004 ► Designed and implemented various intel delivery tools that gave insight into the delivery performance of freight carriers, to customers based on various conditions. ► Developed various freight tools which enabled Intel Finance to optimize freight expenses. ## Education ### MS in Computer Science University of Southern California ### BE in Computer Science RV College Of Engineering ## Contact & Social - LinkedIn: https://linkedin.com/in/girish-jagadeesha --- Source: https://flows.cv/girishjagadeesha JSON Resume: https://flows.cv/girishjagadeesha/resume.json Last updated: 2026-04-12