Jahanavi Krishnakumar

Project: Cisco N9k data centre OS that simplifies deployments and cloud management with automation and modular design. Enhanced L2/L3 features and applications from scratch using embedded C and C++, Sandbox, and NX-OS to improve data centre network performance. Built CLI for Precision Time Protocol (PTP) and VLAN, and implemented port security and Ephemeral m., in creasing feature reliability. Automated testing and CI/CD practices; Led a 12-member team; Delivered critical features including partial diff, configuration replacement, and rollback, boosting system reliability by ~35%.

Project: Cisco IOS-XR carrier-grade network operating system designed for high-end routers, enabling network infrastructures globally. Designed OpenConfig models and telemetry for OSPF, improving network observability by 30%. Automated unit tests using MPTE, GNMI, and XRU T, cutting test time by 40%. Analyzed change requests, conducted code reviews, and resolved customer-reported issues with a 95% resolution rate. Mentored a 12-member team, driving architectural improvements and feature delivery.

Project: Cisco UPS to enable independent scaling of wired and wireless network designs in Catalyst 3850 switches with LAN controller functionality. Developed host routing and LI packet encryption/decryption for LI packets using OpenSSL, enhancing data security and meeting strict compliance requirements. Automated testing processes using TAAS, reducing defect rate and accelerating release cycles.