padmakiran nakka

• Working on several network security products as ASMS, Appviz, ObjectFlow, Cloud Flow, Prevasio
• Design, develop, and execute performance test strategies for firewall analyzer systems under varying network loads.
• Conduct latency, throughput, and scalability testing to evaluate system behavior under stress, peak, and endurance conditions.
• Collaborate with product managers, architects, and developers to define performance KPIs (e.g., TPS, latency, resource utilization).
• Translate business requirements into technical performance benchmarks (e.g., max concurrent sessions, log ingestion rates).
• Identify bottlenecks in firewall rule processing, log correlation, and data storage performance.
• Work closely with development teams to fine-tune firewall rule engines, database queries, and log processing pipelines.
• Recommend hardware/software optimizations (CPU, memory, disk I/O, network stack) for improved performance.
• Validate fixes for performance-related defects and regressions.
• Provide performance insights to QA, DevOps, and SRE teams for capacity planning and scalability improvements.
• Document performance test results, best practices, and tuning guidelines for internal stakeholders.
• Support customer escalations related to performance issues by reproducing and analyzing real-world scenarios.

• Conduct performance testing and engineering of products at Vodafone to ensure high scalability and longevity with minimum downtime
• Participate in various product management planning and discussions
• Measurement of the performance of the products and microservices by conducting various types of performance tests - scalability, load, endurance, etc.
• Benchmarking of the product and individual components/ microservices
• Identification of various performance issues in specific modules or services in the products
• JVM tuning for optimized memory distribution and usage on the application stack
• Performance evaluation for App, DB servers for scalability and stability under various load conditions
• Engage with development, platform and data science team for analyzing performance bottlenecks
• Setting up the environment for performance testing through terraform and service deployment through ansible
• Creation/control of EC2 instances using AWS console
• Publish the performance test results to the senior management

Major Projects at VOIS
SOLISTIS – Vodafone Germany
 Led performance testing for migration of legacy systems to AWS-based cloud services.
 Developed VuGen test scripts and monitored server-side metrics using AWS CloudWatch.
 Prepared detailed performance reports to ensure seamless system integration.
CIAM Portal – Vodafone Egypt
 Validated VF portal access management and ensured KPI compliance.
 Conducted performance tests using HP LoadRunner 12.63 with HTTP calls.
EVO – Vodafone Europe
 Executed Performance Acceptance Testing (PAT) for EVO S4 FIN/SCM solutions.
 Measured and optimized performance for S4 HANA applications using LoadRunner
EVO SAP-SRM – Vodafone Europe
 Conducted release-based performance testing for SAP’s SRM module.
 Automated non-functional test cases using LoadRunner 11.04, 11.5.