Mounika Nagamalla

Project: Quality Assurance – Viavi Solutions HSE-800

Involved in the quality assurance of Viavi’s HSE-800 high-speed QSFP testing devices, focusing on both functional validation and performance benchmarking.

Responsibilities & Contributions:

• Led the validation of device performance across various linear rates, frame sizes, and profile types.
• Verified protocol traffic handling, including VLAN, QinQ, MPLS, LACP, and LAG.
• Tested device scalability by simulating maximum supported clusters and Traffic Flow Groups (TFGs) at full bandwidth.
• Conducted comprehensive performance, stress, and stability tests to assess system robustness under diverse load conditions.
• Managed test planning and story assignment for streamlined execution, using Jira and Xray for traceability.
• Performed manual testing of newly implemented features, covering a broad range of use cases and edge scenarios.
• Automated functional and regression test cases using Python, and carried out API testing using Bruno.
• Logged, tracked, and verified defects using the bug tracking system to ensure issue resolution.
• Executed compatibility testing on virtualization platforms such as KVM and ESXi.

Project: Quality Assurance – Adtran Netventa Devices

Worked on the functional and performance validation of Adtran’s Netventa network devices, focusing on regression, stress testing, and automation to ensure product stability and customer satisfaction.

Responsibilities & Contributions:

• Validated the performance and core functionality of Netventa devices across multiple releases and maintenance builds.
• Executed regression test suites for every PI (Program Increment) to ensure consistency and stability.
• Conducted development testing for enhancements and modifications in existing functionalities.
• Recreated customer-reported issues, and verified bug fixes to support defect resolution.
• Performed stress testing using Spirent Test Center (STC) to assess product behavior under high-load conditions.
• Created detailed test plans for every non-functional requirement (NFR), and conducted thorough test case reviews.
• Automated test plans and customer-reported Jira cases using Python and Robot Framework.
• Worked across multiple operating systems, including Linux/Unix, Windows XP, Vista, and Windows 7.
• Utilized tools and technologies such as Python, Robot Framework, and Selenium for test development and execution.

Project: Quality Assurance – D-Link Business Gateway Devices

Focused on ensuring the quality and reliability of D-Link's Business Gateway devices through structured test planning, execution, and feature validation.

Responsibilities & Contributions:

• Designed and organized test cases by grouping related functionalities into defined test groups, and assigning clear priority levels based on business impact.
• Categorized test cases as critical, major, or cosmetic to guide execution strategy, and support release decision-making.
• Maintained comprehensive test execution records for traceability and historical reference.
• Validated Layer 2 and Layer 3 switching and routing features, including VLAN, STP, LACP, IGMP Snooping, ARP, Static Routing, RIP, NAT, and PPPoE.
• Verified VPN functionalities, including OpenVPN, IPSEC VPN, PPTP, and L2TP tunneling protocols.
• Ensured the overall quality and stability of business gateway features across multiple firmware releases.

Project: Quality Assurance – Next-Generation Wireless Platform & Beam-x Smart Scan Feature

Focused on the validation of a next-generation integrated wireless platform featuring 802.11ac backhaul and 802.11n access capabilities in a single device. Additionally, responsible for ensuring the quality and performance of the Beam-x Smart Scan feature across multiple product lines.

Responsibilities & Contributions:

• Created and executed detailed test cases for end-to-end feature validation.
• Conducted upgrade/downgrade testing and entry criteria validation for Point-to-Point (PTP) and Point-to-Multipoint (PTMP) devices.
• Performed hardware quality testing following any hardware modifications or updates.
• Executed comprehensive GUI and CLI-based testing to validate feature behavior and configuration workflows.
• Verified switching and routing features, including VLAN, STP, LACP, IGMP snooping, ARP, static routing, RIP, NAT, and PPPoE.
• Conducted throughput performance testing using NetIQ Chariot, IXIA, and iPerf3 to validate system capacity and network efficiency.
• Tested and validated the Beam-x Smart Scan feature across different product variants, such as LCP, MONACO, and NGP.
• Conducted outdoor testing scenarios to assess real-world performance and Smart Scan accuracy.
• Tracked and reported defects using Bugzilla, ensuring timely resolution, and regression verification.