# Simran Suri > Engineering Leader | Distributed Systems | Microservices | Backend | Security | Networking Location: Mountain View, California, United States Profile: https://flows.cv/simransuri Experienced in designing and developing large, scalable, and complex software systems. Skilled at complete software development lifecycle (SDLC), leading teams and managing projects across different cross functional teams (Product, Marketing, Support) to deliver robust, high quality software. I am passionate about taking on challenges and genuinely care about delivering solutions that make a difference to the end user. Expertise in: Distributed Systems, Microservices, Infrastructure, Routing protocols, IS-IS, Network Security and Cryptography, TCP/IP, Networking, Algorithms and Data Structures, Systems and Platform development ## Work Experience ### Software Engineer @ Illumio Jan 2021 – Present ### Principal Software Engineer @ Palo Alto Networks Jan 2018 – Jan 2021 ### Software Engineer @ Nokia (formerly Timetra Networks) Jan 2009 – Jan 2018 | United States - Architected, designed and implemented 40+ core features in the platform, IP and IS-IS modules for the 7450/7750/7950 SR L2/L3 service edge and core routers - Interacted with Product Managers to analyze feature requirements, assist with RFC standards drafting, and hash out feature details and design - Technically led the IS-IS routing protocol team and owned the code base for the IS-IS routing protocol - Assisted QA, Systems Test, 4LS customer support and other teams to debug and resolve issues - Enhanced software design and refactored existing code to make it faster, scalable, stable and maintainable - Sample features designed and implemented: Shortest Path First (SPF) Dijkstra graph algorithm and related extensions/enhancements using tunnels and loopfree alternate (LFA) policies RSVP Traffic Engineering (TE) database for intra-area/inter-area CSPF, Dynamic ABR selection & SDN B-VPLS L2 SPB (Shortest Path Bridging) Authentication Keychain mechanism using MD5/SHA algorithms for hitless transition ISIS multi-instance and multi-topology ISIS Async/lockless operation High Availability, Redundancy & 64-bit ISSU IP Ethernet Unnumbered interface support for RSVP & ISIS ### Senior Software Design Engineer @ Ericsson Jan 2006 – Jan 2009 | United States - Worked on Systems software/components for legacy Ericsson and next-gen Redback L2/L3 routers and switches. - Designed and implemented features such as cross-platform multicast IPC (inter process communication) framework, semaphore order checking and lock prevention, and QoS programming to minimize network latency ### Software Engineer @ Nortel Jan 2004 – Jan 2006 | United States - Designed and implemented GSM Wireless Voice Core Mobile Switching Center (MSC) component features and fixes - Fixed and enhanced functionality in the areas of Network Signaling, Systems Software, Mobility & Supplementary Services ### Software Engineer Intern @ NetHawk Oyj Jan 2003 – Jan 2004 | United States - Designed and developed modules to enhance the NetHawk EAST testing tool for wireless protocols - Worked with customers to determine issues and worked to provide fixes ### Programmer Analyst @ Infosys Technologies Ltd. Jan 1999 – Jan 2001 - Performed requirements analysis and generated functional specifications to solve customer problems in the networking and telecom domain - Used Java, CORBA, C++, Reverse Engineering, Rational Rose, Rational Purify, TCL-Tk to architect and design customer solutions - Led teams to implement critical customer modules with highest quality (SEI CMM 5) ## Education ### Doctor of Philosophy (Ph.D.) in Computer Science The University of Texas at Dallas ### MS in Computer Science and Networking The University of Texas at Dallas ### BE in Electronics and Telecommunications Savitribai Phule Pune University ### Science in Math and Economics The Lawrence School Sanawar ## Contact & Social - LinkedIn: https://linkedin.com/in/simransuri --- Source: https://flows.cv/simransuri JSON Resume: https://flows.cv/simransuri/resume.json Last updated: 2026-04-11