Sangeetha Krishna

• Device Connectivity Troubleshooting using Redfish & ICMP
  Developed a robust troubleshooting module for detecting device connectivity using Redfish protocol, ICMP, and hostname/IP-based validation.
  Enabled faster root-cause identification and simplified diagnostics for system administrators managing large-scale server infrastructure
• Designed and delivered a secure, Backup & Restore option for management infrastructure using SFTP with configurable ports and directory-based backups, enabling reliable disaster recovery and seamless configuration restoration across 500+ enterprise customers.
• Achieved 94% offboarding efficiency with ~25K devices and drove end-to-end performance optimization by identifying bottlenecks, refactoring service logic, reducing redundant database calls, and optimizing stored procedures—improving execution latency and system throughput under peak load.
• Pioneered an AI-assisted development workflow by structuring feature requirements in capability.md and leveraging prompt engineering to drive implementation, accelerating feature delivery while maintaining high-quality, production-ready standards.
• Built internal developer productivity tools using MCP and Windsurf, including defect pre-analysis through log ingestion, RCA automation, priority-based issue segregation, and Jenkins build failure auto-remediation—reducing manual triage effort and accelerating debugging and issue resolution.
• Feature Scoping & Development Partnered with product managers and architects to translate business goals into scalable technical solutions, ensuring clear requirements, strong alignment, and efficient execution. Participated in backlog grooming and translated high-level product requirements into technically feasible engineering tasks.
• Defect Management & Bug Scrum Ownership
  Handled ownership of bug scrums, ensuring triage, prioritization, and timely resolution of defects across development and QA cycles.
  Coordinated across teams to unblock critical issues and improve release quality.

SCM (Strata Cloud Management)

Contributed to Strata Cloud Manager (SCM), Palo Alto Networks’ cloud-native centralized management platform for next-gen firewalls, delivering scalable security, remote browser isolation, and compliance capabilities for enterprise customers at global scale.

• Integrated Auto-VPN capabilities to enable secure, zero-touch connectivity across geographically distributed cloud environments, eliminating manual network configuration and improving deployment efficiency for enterprise-scale setups.
• Contributed to quantum cryptography readiness by integrating support for emerging cryptographic standards, strengthening long-term platform security against evolving threat models.
• Remote Browser Isolation (RBI) Feature Enablement
  Implemented support for RBI, enhancing cloud-delivered security by isolating web browsing activity in remote containers.
  Worked across multiple teams to integrate RBI with SCM UI and backend pipelines; handled cross-functional dependencies, and contributed across multiple release cycles.
• FIPS Compliance Support
  Added FIPS (Federal Information Processing Standards) support to a key microservice, ensuring compliance with U.S. federal cybersecurity requirements.
  Conducted thorough testing and validation to meet cryptographic standards, securing adoption in government and regulated industry sectors.
• Plugin Code Optimization & Refactoring
  Refactored and optimized existing plugin architecture to improve runtime performance, maintainability, and scalability.
  Reduced technical debt and enhanced throughput under high load by removing redundant operations and optimizing control flows.
• Quality and Team Enablement. Proactively conducted bug scrums, ensuring timely triage and resolution of critical issues. Mentored new joiners, conducted code reviews, and ensured best practices in Python, RESTful API design, and microservice architecture.
• Customer On-Call Support
  Collaborated with SRE and customer success teams and served as part of the customer on-call rotation, ensuring quick turnaround for production issues, especially during high-impact scenarios. Diagnosed issues in real-time, collaborated with SRE and customer success teams, and provided hotfixes where necessary.

DNA Center - Enterprise Network Management and Automation Platform

Contributed to key feature development in Cisco DNA Centre (DNAC).

Delivered scalable, user-centric solutions focused on visibility, security, and operational simplicity.

• Umbrella Integration Workflow: Engineered end-to-end integration with Cisco Umbrella, enabling DNS-layer security, threat visibility, and policy-driven compliance automation within DNAC.
• Access Point (AP) Refresh: Designed and implemented the AP Refresh feature to support bulk upgrades and migration of Access Points, simplifying hardware lifecycle management, and improving network scalability.
• Packet Capture / Path Trace Tool: Developed the Path Trace feature integrated with Wireshark, allowing administrators to visualise end-to-end network paths and perform real-time packet inspection, accelerating issue diagnostics, and resolution.
• Collaborated with cross-functional teams, product managers, and enterprise to ensure alignment with enterprise needs, and enhanced the overall user experience across features.

Polaris WebUI - Enterprise Network Management Platform.

• Contributed extensively to the Polaris WebUI, a centralised platform for managing network devices, configurations, and health monitoring across enterprise environments.
• Delivered key features:
  NetFlow Integration: Built a unified UI for NetFlow traffic analytics across Cisco platforms, enhancing visibility into bandwidth usage and traffic patterns.
  Web-based CLI : Developed a browser-based interface for executing CLI commands on switches and routers, significantly reducing manual effort and improving configuration consistency.
  Communication Manager Express (CME), enabling web-based provisioning of VoIP phones, phone pool configuration, and call routing on IOS routers.
• Led cross-team coordination, mentored engineers from partner teams (Wipro), and ensured high-quality, timely delivery of features aligned with enterprise scalability and usability standards.