Dec 2024 – May 2025 · 5 mos · Bangalore Urban, Karnataka, India · Hybrid

•  Problem-solving for the next-generation SRX4700 firewall, which is built to meet the
• needs of customers, cloud providers, and large enterprises.
•  Gained a deep understanding of the firewall architecture, including packet processing, flowd daemon, and data processing queue, and optimized it to better serve customer needs.
•  Completed end-to-end implementation of Flowd thread monitoring and latency
• measurement. Resolved a 2.5-year-old fast BFD flap issue caused by the Flowd Daemon getting blocked during warm session removal, leading to high CPU usage.
•  Contributed to the Multi-Node High Availability (MNHA) infrastructure, which supports four identical SRX devices with matching hardware configurations.

Apr 2023 – Nov 2024 · 1 yr 7 mos · Bengaluru, Karnataka, India · Hybrid

•  Spearheaded troubleshooting and optimization efforts on Cisco 8000 Series Routers, achieving a remarkable 30% increase in throughput and scalability, enhancing performance from 10.8 Tbps to 260 Tbps.
•  Drove the redesign of switch architecture tailored to customer needs, resulting in significant reliability improvements and a 25% reduction in latency for mission-critical applications.
•  Championed the implementation of Docker and Git for containerization and version control, slashing deployment times by 40% and boosting team productivity across development cycles.
•  Led the deployment of SONiC microservice architecture, streamlining startup sequences and high-level design, which facilitated a modular and scalable network infrastructure, yielding a 25% reduction in operational costs.

Jan 2022 – Apr 2023 · 1 yr 3 mos · Bengaluru, Karnataka, India · Remote

•  Spearheaded advanced problem-solving initiatives for Tofino™, the world’s first end-user programmable Ethernet switch, driving significant innovation and exceeding customer expectations within the XFG CE Team.
•  Leveraged deep expertise in P4 data plane programming to architect and implement cutting-edge solutions, enhancing the P4-16 portable switch architecture for optimal performance tailored to diverse customer requirements.
•  Engineered highly efficient Docker files for major Linux distributions, including Ubuntu, CentOS, and Debian, streamlining deployment processes and ensuring cross-platform compatibility, resulting in faster time-to-market.
•  Served as Lead Engineer, expertly resolving critical customer challenges related to the Packet Processor, Ingress/Egress, Parser/Deparser, and Traffic Manager/Packet Replication Engine, delivering high-impact technical solutions that significantly improved product reliability and performance.

Dec 2019 – Jan 2022 · 2 yrs 1 mo · Gurgaon, Haryana · Remote

• Worked on feature development and enhancements for the 6500 Family. Currently focused on packet injection and extraction using FrameLib over VDP channels. I am the individual owner of the IP-Protection feature, responsible for handling issues related to failover scenarios between primary and backup paths.
• Key contributions include:
•  Implemented a headless command flow to program the csManager → csAgent → HAL → BCM stack for assigning unique MAC addresses per VRF, enabling communication across looped ports.
•  Enhanced the RTRV mechanism to proactively collect logs before the system enters a failure state, aiding in faster root cause analysis.
•  Designed and developed CP_Proxy, which significantly improves debug velocity by allowing the data plane to replay control plane events on development systems—speeding up issue reproduction and resolution.

May 2019 – Dec 2019 · 7 mos · Bengaluru Area, India

• Contributed to feature development and enhancements for EX4300 and EX4300MP platforms. Investigated and resolved a critical crash issue on the RE-Backup node that occurred despite the RE-Master operating normally during forwarding decisions.
• Key responsibilities and achievements:
•  Leading the EVPN VXLAN Layer 2 Gateway feature development, including complete topology implementation and validation.
•  Driving the Broadcom SDK upgrade from version 6.3.x to 6.5.x, managing a complex three-way merge that incorporates legacy changes spanning over 7 years.

Jul 2017 – Apr 2019 · 1 yr 9 mos · Bengaluru Area, India · Hybrid

• Worked on feature development and enhancements for the NCS6K platform, including:
•  Hashing optimization for the multi-SDR model to improve load distribution.
•  BGP-PIC backup path enhancements, involving CEF chain modifications for faster convergence.
•  Contributed to the implementation of 1.5/2-stage forwarding architecture for improved packet
• processing efficiency.
•  Designed and implemented a Tree Bitmap structure for efficient storage of leaf, prefix, and label
• information in both shadow memory and hardware.
•  Introduced VRF and VRF-SCALE improvements to strengthen support for single and multi-
• dimensional routing models.
• Updated Data Plane RIB and FIB chains to support high-scale routing scenarios and ensure consistency across control and forwarding planes.

Jun 2015 – Jun 2017 · 2 yrs · Bengaluru Area, India

• Currently involved in protocol architecture development, focusing on lightweight communication mechanisms for video transport with flow control over UDP.
• Key contributions include:
•  Implemented epoll-based architecture to efficiently handle concurrent client connections.
•  Optimizing the design to maximize transmission throughput while ensuring low latency and reliability in video delivery.

Jan 2014 – Jun 2015 · 1 yr 5 mos · Chennai Area, India

• Responsible for feature development on IOS-XR, tailored to specific client requirements. Worked extensively on network protocols such as SNMP and TCP/IP, contributing to their integration and enhancement within the platform.
• Key highlights:
•  Involved in secure message monitoring and transmission using Cisco’s Lightweight Messaging (LWM) Model, ensuring asynchronous encryption and reliable delivery.
•  Focused on protocol robustness, performance tuning, and maintaining compliance with security and operational standards across various network layers.

Mar 2013 – Sep 2013 · 6 mos · Manama, Bahrain

• Involved in network planning, design, and end-to-end configuration to meet specific infrastructure and performance requirements.
• Responsibilities included:
•  Assessing network requirements based on workload, scalability, and redundancy needs.
•  Designing and implementing network topologies, including IP addressing, routing protocols, VLANs, and security policies.
•  Configuring switches, routers, and firewalls to ensure seamless communication and optimized traffic flow.
•  Conducting pre-deployment testing and validation to identify potential issues and ensure high availability.
•  Collaborating with cross-functional teams to align network configurations with application and system architecture goals.