Tapan Patwardhan
Sunnyvale,CA
Summary
Dynamic Principal Software Engineering Manager with over 15 years of expertise in developing large-scale distributed systems, big data pipelines, and application security. Proven leadership in guiding a team of 15+ engineers at Cisco, successfully delivering APIC infrastructure and advanced features for distributed systems. As a Senior Tech Lead and core contributor at Cisco Secure Workload, played a pivotal role in building the Workload Security product, focusing on large-scale data processing and micro-segmentation. Recognized for exceptional problem-solving skills and the ability to collaborate effectively with customers to address critical real-world challenges while managing multiple projects with precision and meeting tight deadlines.
Overview
16
16
years of professional experience
Work History
Principal Software Engineering Manager
Cisco APIC Controller, Cisco Systems Inc.
07.2022 - Current
- Manage a 15 member team mentoring and managing the feature delivery, quality and timely release cadence of the product.
- Lead architect in creating a new bootstrapping workflow for APIC cluster, effectively increasing the reliability of APIC cluster bring-up by 2x and reducing the time by 50%.
- Lead a team to create a new set of workflow APIs to facilitate various cluster operations that helped streamline the operations for APIC cluster.
- Lead a team to deliver an automated workflow to migrate APIC deployment from physical servers to virtual machines, essentially easing APIC deployment operations and helping ease the supply chain backlog.
- Managed team to deliver crucial security enhancements to ensure that APIC infra is meeting the security key standards as per Cisco Security team guidance.
- Managed team and architected the solution for solving disaster recovery for customers, giving a one-touch auto recovery for customers in case of a disaster., making sure the customers data and operations are all intact.
- Created a very robust automation and CI/CD pipeline for the new projects to ensure very high code quality and automated benchmarking.
- Improved the APIC upgrade workflow by increasing reliability, reducing time and increasing visibility.
- Drove high-level strategic planning of development efforts across multiple projects to optimize resource utilization and shorten development times.
- Led development on 3-4 simultaneous projects, multi-tasking across several deliverables while remaining in direct control of development paths.
- Cultivated partnerships between engineering, product and UX personnel to create holistically designed final products.
Senior Technical Leader
Cisco Secure Workload (Tetration), Cisco Systems Inc.
05.2017 - 07.2022
- Leading efforts to come up with a Unified Policy architecture for Cisco Security Business Group.
- Designed and implemented high scale BYOD service architecture using secure Kafka and Spark.
- Architected Tetration Alerts Notifier for sending alerts to various external systems, which is heavily used by customers for real-time monitoring.
- Lead engineer in designing connectors infra for unifying all external systems under one single architecture.
- Working on designing a solution for cloud workload protection with agentless segmentation.
- Developed a Spark pipeline for anomaly detection, based on external threat intelligence feeds and providing real time monitoring for such anomalies.
- Designed and implemented a solution to bring metadata from widely deployed external systems like Cisco ISE, AD and ServiceNow to improve Tetration’s policy discovery and enforcement for customers.
- Key contributor in coming up with a secure and fully managed Kafka as a service for Tetration, with in-built security and certificate management.
- Leading efforts to create a horizontally scalable microservices architecture using Kubernetes.
Senior Technical Leader
Insieme Networks (acquired by Cisco)
08.2012 - 05.2017
- Worked on highly scalable Data Center switches in forwarding plane.
- Lead Architected in designing Endpoint Manager which was responsible for L2/L3 forwarding and distribution of endpoints through the fabric.
- Designed and implemented forwarding layer which can learn and program line-rate data(100G/sec) and
- Lead engineer to design and simulate tests on ASIC to ensure ASIC functionality meets all expectations and can go for production.
- Lead designer for multiple customer use-cases, including designing and developing solutions for customers with quick turnaround time.
- Key contributor in creating SDK layer to make most of the forwarding code platform agnostic.
- Lead engineer for analyzing customer Data Center deployments and solving deployment issues.
- Lead multiple efforts in helping customers with real-time monitoring and debugging of the whole ACI fabric
Software Development Engineer
Alcatel-Lucent (Now Nokia)
05.2010 - 08.2012
- Worked on carrier grade routers for 4G (LTE - Serving/Packet GW)
- Session manager is the core module coordinating all modules and passing on the information to data path.
- The module is also responsible for managing all subscriber information and interacting with various charging servers.
- The module functions on a multi-core platform with multiple instances sharing common memory.
- Responsible for adding support for new call flows and features in the session manager state machine.
- Responsible for adding support to make the system redundant as well as geo-redundant
Summer Internship
Sipera Systems Inc.
01.2008
- Worked on Microsoft OCS – Installation and configuration of Consolidated Edge Server topology involving Remote client, Edge server and OCS server.
- Developed a matrix of SIP call flows with features and Call Servers.
Education
Master of Science - Computer Science
University of Georgia
AthensBachelor of Engineering - Computer Science
Institute of Engineering & Technology
Indore, IndiaSkills
- Proficient in C, C, Java, Golang, Python, and Scala
- MongoDB, MySQL, RocksDB, TSDB, HDFS
- Kafka, Spark, Hadoop, Docker, JupyterHub, Grafana
- SDN, Data Center Networking, L2/L3 Forwarding, 4G LTE
- Distributed Systems and Architecture, Microservices Architecture, ETL, Big data Analytics
- AWS, GCP, Kubernetes, Kinesis, PagerDuty (Working knowledge)
Timeline
Principal Software Engineering Manager
Cisco APIC Controller, Cisco Systems Inc.
07.2022 - Current
Senior Technical Leader
Cisco Secure Workload (Tetration), Cisco Systems Inc.
05.2017 - 07.2022
Senior Technical Leader
Insieme Networks (acquired by Cisco)
08.2012 - 05.2017
Software Development Engineer
Alcatel-Lucent (Now Nokia)
05.2010 - 08.2012
Summer Internship
Sipera Systems Inc.
01.2008
Master of Science - Computer Science
University of Georgia
Bachelor of Engineering - Computer Science
Institute of Engineering & Technology
Activities & Achievements
- Awarded 10+ patents in the field of Network Security and Analytics.
- Poster “Aerial Viewer: A Framework for aerial video surveillance” at CS Research meet in UGA.
- Won Intra House Chess Competition in School.
- Awarded H.H. Krishnaji Rao Paur Prize for best student musician in School.