Cisco Systems, Massive Scale Infrastructure Group, San Jose, California, USA.• Led multicast technology validation for Cisco Silicon One fixed and distributed platforms/Cisco 8000 series from launch. Resolved production network issues for customers like Comcast and Deutsche Telecom in collaboration with account team and escalation team. • Directed validation efforts for customized high-scale multicast solution for Charter Communications. Led development and test effort across multiple releases, meeting regularly with customer-facing team to understand Charter’s internal test lab and deployment environment. Released early trial software for validation by Charter and Cisco; successfully met all requirements with no significant issues. • Spearheaded investigation and validation of issues and solutions for Deutsche Telekom after performance degradation upon software update. Gained insights into deployment and degradation, replicated issues to identify the root cause, and collaborated with the development team to devise a solution. Led validation efforts resulting in successful release that met expectations and was subsequently released to additional customers.• Guide and define quality standards for Cisco Silicon One Edge, serving as leading member of SDK verification team to ensure new ASIC SDK will meet expectations.

Cisco Systems, Service Provider Business Unit, San Jose, California, USA. (May 2017 – Sept 2019)• As one of the leading members of the validation team which delivered the first Broadcom Jericho2 based 400G product family for Cisco, I was responsible for ensuring all the multicast features meet product specifications for customers’ initial deployment.• Obtained requirements from our account team and ensure the functionality, scale, and performance of our new product/software features meet the expectation of our customers such as ATT, Verizon, British Telecom., KDDI, COLT, Charter Communications, and Reliance Communications etc..Cisco Systems, Core Software Group, San Jose, California, USA. (May 2014 – April 2017)• Validated functionality and performance of all supported multicast features on Data Center networks using EVPN VxLAN with Nexus 9000 product family.

Cisco Systems, Network Operating System Technology Group, San Jose, California, USA.• Rectified the design and verified the quality of multicast features in a new data center solution, Dynamic Fabric Automation (DFA), on Nexus 6000/7000 platforms.• Ensured software quality for new IOS XE features developed for targeted customers o BGP C-Multicast Route Signaling with MLDP (Customers: French Telecom) o Multicast Service Reflect (Customers: NBC, Bloomberg, London Stock Exchange, etc.) o IPv6 PIM Passive (Customer: NTT DoCoMo) o MLD Proxy (Customer: General Dynamics)

Cisco Systems, Network Software and System Technology Group, San Jose, California, USA.• Assimilated the operational principles of different protocols in IP Multicast and their interoperability with other technologies such as IGP, BGP, QoS, NAT, VPN, MPLS, IPSec, etc.• Investigated the Scalability and Performance of different multicast features on various Cisco IOS-XE Platforms: ASR1000, 3800, 7200, 7600 series, Catalyst 4000 and Catalyst 6000 series.• Wrote detailed test plans to provide test coverage on new Multicast features for Cisco IOS-XE and implement the test plans by writing Tcl scripts.• Analyzed our current test inventory and identify gaps in our test coverage.• Worked closely with the development teams to reproduce software errors, and compile necessary analytical information to accelerate the software debugging process.