Raveesh D'Silva Email & Phone Number

San Jose, Ca, Us

Santa Barbara, Ca, Us

Involved in testing Wi-Fi & networking features on Sonos products.* Participated in design reviews, testing, and validation, ensuring that NPI deliverables met high-quality standards.* Support for 802.11 ax/ac/n/a/g/b standards and WEP, Open AP, WPA/WPA2/WPA3 Security standards.* Sonos Speaker network roles: Standalone Player, Home Theater (HT) Primary & Home Theater (HT) Satellite.* Sonos Speaker network modes: Open AP, Standalone & Sonosnet mode.* Boot sequence, power states and Wi-Fi/BT settings on Out-of-box & Fully configured Speaker.* Test various WiFi features like CSA, deauthentication, Wake on WiFi/DHCP/other sources, Multi-SSIDs, WiFi encryption, Channel Frequencies, Channel widths, ARP reply, GTK renewal & DHCP renew using OpenWRT.* Wi-Fi performance testing on Sonos Speakers using iperf tool.* Troubleshoot Wi-Fi and networking issues using dmesg, kmsg, wpa_supplicant logs, different logs and messages in Diagnostics Tool.

Scottsdale, Arizona, Us

** Onsemi closed Quantenna Wi-Fi division in November, 2022Involved in testing Wi-Fi features and running throughput tests on next generation WiFi (SoC) chips: Single-Band, Dual-Band Selectable, Dual-Band Concurrent and Triple-Band solutions that support 802.11ax/ac/n/a/g/b standard.* Performance testing of APs in various modes such as: Bridging, Routing, Repeater, Small to Large Packet Size, IOT (InterOperability Testing), Rate vs Range (RvR), TxBF, MU-MIMO, OFDMA, OTA (Over-the-Air)* Hands on experience with validation of MU-MIMO & OFDMA features in 802.11ax (WiFi 6/6E) and 802.11ac (WiFi 5) Access Points. * Expertise in configuring and testing various IOT clients for Wi-Fi feature and performance validation.* WiFi Interoperability testing: Association, Association longevity, TCP & UDP DL/UL, Roaming on 2.4GHz, 5GHz & 6GHz frequencies ranges on different 802.11 standards. * Bringing up test suites to implement the end user environment in the lab through Shield Rooms, RF Shield boxes, Azlite boxes, Attenuators and Turn Table set ups. * Developing and running user/test scripts and testbed config scripts to test various features in an existing automation frame work.* Debugging AP serial logs and packet capture logs containing MCS values, EVM, RSSI, SU/MU/OFDMA percentage packets, throughput rate, Client/AP config. and other Wi-Fi related information.* Wireless security: WEP, Open, OWE, WPA/WPA2/WPA3 and 802.1X Enterprise Security (EAP/PEAP/LEAP)

Morrisville, Nc, Us

ExtremeCloud IQ (XIQ) is an industry-leading and visionary approach to cloud-driven networking. It delivers unified, full-stack management of wireless access points, switches, and routers and enables onboarding, configuration, monitoring, troubleshooting, reporting, and more.* Deployment of Network Policies & Templates on APs, Switches and Routers.* Extensive experience in testing & deployment of: • 802.11ax (Wi-Fi 6/6E), 802.11ac (Wi-Fi 5), 802.11n (Wi-Fi 4), 802.11 a/b/g radio profiles & AP templates on Cloud managed indoor/outdoor APs.• Validated support of Wi-Fi 6E (802.11ax-6GHz RF band) channels and different Channel bandwidths on AP4000, Extreme’s first-to-market Wi-Fi 6E access point.• Design and testing of WiFi-6E (6GHz - UNII 5-8) radio profile along with other settings like Channels, Channel bandwidths, OFDMA, WMM QoS settings, DL/UL MU-MIMO, WPA3, OWE & 802.1x EAP. • WiFi Interoperability testing: Association, Association longevity, TCP & UDP DL/UL, Roaming on 2.4GHz, 5GHz & 6GHz frequencies ranges on different 802.11 standards.• Heat Maps. Heat maps display a wide range of data about your wireless network coverage, including RSSI, SNR, channels, data rates, and interference.• Switch: VLAN ports, display VLAN ports and configure Trunk ports • Device Health, Client Health, Wi-Fi Health, Network Health & Application Health monitoring applications of XIQ.• Client detection, Topology, Device Management/Monitoring and Notifications.* Wireless security: WEP, WPA/WPA2/WPA3 and 802.1X Enterprise Security (EAP/PEAP/LEAP).* Worked closely with product managers and scrum team members in UX/UI & dashboard design, and implementation of features.

San Jose, California, Us

Aruba Central is a unified cloud-based network operations, assurance and security platform that simplifies the deployment, management, and optimization of wireless, wired and SD-WAN environments.* Technically guided and mentored a team of engineers in Santa Clara, CA and Montreal, Canada.* Deployment and testing of 802.11ac (Wi-Fi 5), 802.11n (Wi-Fi 4) and 802.11a/b/g radio profiles & AP templates on indoor/outdoor APs.* Rogue AP Detection and Classification: Developed a system to detect and classify Valid APs, Rogue APs, Suspect Rogue APs, and Interfering APs in wireless and wired environments. Utilized AP radio stats, air stats, RSSI, and Switch MAC address tables to identify unauthorized APs.* Wi-Fi Client detection, VisualRF (Wi-Fi Heatmap), Topology, Device Management/Monitoring and Notifications.* Designed and configured wireless test-beds consisting of AP Controllers, Switches, Access Points and Instant APs.* Conduct Load and Stress testing with 150K-200K Access Points & 15K switches using simulators.* Experience in cloud performance monitoring tools like Grafana and New Relic.* Hands-on experience with the queuing system such as RabbitMQ and Kafka.* Knowledge and experience working with RESTful services and APIs.* Tested cloud applications on AWS cloud consisting of Kubernetes, Docker, Kafka, Cassandra, Redis, Elastic Search & NGINX.

San Jose, Ca, Us

Team Lead: 2006 - 2011. Technical Lead: 2012-2017Cisco Prime Collaboration Provisioning/Monitoring Network Management Application: Effectively manage collaboration devices across multiple clusters and locations with a centralized dashboard for swift problem identification, isolation, and troubleshooting. Real-time views provide continuous operational status updates for comprehensive monitoring and diagnostics.With automated processes for initial deployment and "day-2" additions and changes, Cisco Unified Provisioning Manager facilitates rapid installation and maintenance of Cisco Unified Communications components via REST API, AXL, SQL & SSH.* Technically managed, mentored and guided a team of test engineers in San Jose, Infosys & HCL in Software Development activities.* Real-time dashboard, device discovery, and management for Cisco Call Manager Clusters, Gateways, PoE Switches, APs and IP Phones.* Validated user and product provisioning via REST API, AXL, SQL, and SSH on Cisco Unified Communications Manager, CCMBE, Unity, CUCXN, IMP, CUCME & CUE.* Designed and configured VOIP testbeds with Nexus Switches, Cat6k, Cat4K, IP Phones, APs, Remote Routers, UCS C Series Servers and related systems.* Implemented VTP domains with multiple VLANs. Configured Cisco switches with layer 3 switching, trunking and port aggregation to support Data and Voice VLANs for IP phone connections.* Verified Device Discovery, LDAP Synchronization, Batch provisioning, User Groups, User Roles, and RBAC.* Tested Cisco 1040 product with various CODEC types and features like TFTP, DHCP, SCCP, Syslog, and SNMP Trap generation.* Data and voice traffic analysis using Sniffer Pro/Wireshark, focusing on RTP, DHCP, and Syslog messages.* Evaluated SRST Monitoring Management, IP Phone Reachability, Syslog, SNMP Trap, and Email notification features.

M.S., Engineering Science (Telecommunications, Networking & Computer Science)

Bachelor Of Engineering - Be, Electronics & Communications

Pre-University

Education record