• Successfully architected, implemented and deployed cloud-based and containerized GoLang Automatic Configuration Server (ACS) to manage and monitor Cradlepoint multi-vendor 4G and 5G Radios. Deployment of ACS was performed using Kubernetes and Docker. ACS also maintained an SQL Postgres database of currently connected radios and their status• Integrated ACS with other backend, distributed services such as Redis for caching andAWS Kafka for event publishing• Implemented event & performance metric collection (observability) of ACS server usinggRPC and protocol buffers• Made several modifications to Ericsson's EP5G platform including changes to the Linuxbased SALT master and minion framework

• Formulated architecture for implementing an embedded Container Runtime to run multiple parallel containers on an STM32 IOT Discovery Board as a referenceimplementation• Architecture addressed challenges that needed to be overcome significant obstacles as previous efforts were not successful: running multiple containers in parallel, memory constraints and latency• Successfully ported open-source, C language based WASM micro-runtime to STM32 IOT Discovery Board running FreeRTOS and implemented Container Runtime based on WASM micro-runtime• Increased available RAM by more than 50% on STM32 IOT Discovery Board by remapping RAM configuration• Dramatically reduced latency by almost 15 fold which allowed container services to run at near native speeds by using Ahead of Time (AOT) compilation of container services• Implemented Fleet Provisioning and Device Provisioning services using FreeRTOS and integration with AWS IOT Core and orchestration hub• Designed support for reading of all sensor data off STM32 IOT Discovery Board Temperature, Humidity, Proximity, Accelerometer, Motion, Magnetometer• Created GitHub Software Development Kit (SDK) to allow end-users to configure and deploy containerized services. SDK included all required artifacts including online documentation that was developed using Docsify and GitHub Pages

• Primary engineer hired to design and implement entire cloud-based, multi-tenant IOT orchestration hub for the building and deployment of tiny container services to MicroControllers (MCUs) - the far edge. Orchestration hub was completely implemented in GoLang with containerized backend services running and deployed at AWS and Azure• Developed GoLang CLI using Cobra CLI package, GraphQL and Auth0. The CLI is also used as the primary enabler for automating CI/CD pipelines• Implemented GraphQL backend interface to support our React based Web interface and GoLang CLI• Transport and messaging from the Orchestration Hub to the devices (MCUs) was implemented using MQTT and Google Protobuf messages via AWS IOT Core Service as well as Mosquito MQTT broker• Fully integrated Orchestration Hub with AWS IOT Core and AWS Lambda to support fleet provisioning including certificate and key management• Orchestration Hub, Web GUI and CLI interfaced with Auth0 to provide authentication and authorization• Implemented ELK Stack including FileBeat to collect events from Orchestration Hub in order to provide auditing and a timeline of device related activity• Assisted firmware engineers in solving major technical hurdle with respect to dynamically changing the page size in our container runtime

• Reduced compute resource consumption and OPEX costs at each of Boingo's venues by over 50% by re-Architected Boingo's on-premise Venue appliance which involved moving subscriber management capabilities to a private VMWare cloud and moving the network controller to public AWS cloud• Designed and implemented GoLang based controller for managing multiple Boingo Venues,deployed as a Kubernetes PODs running in AWS and using Elastic Cache service to cache session data• Implemented NodeJS and React GraphQL and Micro-service framework for Boingo's Venue Management Platform• Architected and implemented RBAC security framework using Auth0 and Node.js, and successfully integrated framework with Boingo's Venue Management Platform• Designed bandwidth throttling solution to limit subscriber bandwidth when their usage reaches a carrier specific threshold

• Architected and implemented a GoLang NFVI Analytics platform that included NFVI compute node metrics and discovery agent in conjunction with a REST based service framework and Web UI to support discovery, topology and metrics collection from the NFVI agents• Designed a GoLang based distributed time-series metrics collection platform which was scalable to support the ingestion of 1.2 million metrics/second. The platform was based on the InfluxData stack. and was integrated with the above NFVI Analytics system as well as Spirent's Methodology Center and CloudStress products.• Designed and implemented a GoLang REST based chassis administration service that uns on all Spirent chassis, appliances and virtual chassis products that provides complete administration capabilities for managing and monitoring these devices

• Collaborated with Systems Engineering and Product Marketing team in producing EMS Product Requirements Documents and Functional Specifications• Architected Element Management System (EMS) which implemented full FCAPS functionality and provided a management server for managing GSM and UMTS location products. Technologies included AdventNet WebNMS framework, MySQL and Hibernate. EMS also included SNMP based Northbound Interface used for integration with third party NMS platforms• Architected and implemented complete agent-based management framework for GSM and UMTS wireless network location products which consists of SNMP and Telnet Interfaces to support full FCAPS management model• Hired, staffed and managed EMS Development Team in Bangalore India, which consists of 1 Software Manager, 4 EMS software developers and 1 Agent developer

• Architected EMS a multi-tiered JAVA based product framework and performed technology assessment and selection. The EMS, which ran on Linux, Windows and Solaris, was used to manage the company's router product line. Technologies used included JBOSS, Hibernate, JMS, Java WebStart/Swing and MySQL• Performed hands-on C development of embedded CORBA, SNMP, Netflow agents, and real-time probe collection system for the company's routing platform for integration and interoperability with the EMS• Successfully planned, delivered and exceeded delivery schedule of 4 releases of the EMS product

• Designed and implemented hardware platform abstraction API that encapsulated the differences in hardware platforms that the Data Domain Restorer product executed. The platform API provided a set of generic functions that provide information about the disk subsystem, CPU, environmentals, memory and enclosure services• Designed Data Domain proprietary MIB that encompasses the Data Domain Restorer product line and implemented SNMP Agent for the DD Restorer product using the Net/SNMP Agent stack. • Integrated SNMP MIB with HP/OpenView which provided a set of customized menu bar item, pop-up menus, graphs and tables• Implemented CLI to support the configuration of the SNMP Agent and NTP Daemon

• Responsible for leading a team of 6 Engineers in the design and development of a new Test Equipment infrastructure framework. This was a component-based framework based on J2EE technologies including Session Beans & Entity Beans for persistence as well as JMS for asynchronous messaging and event notifications.• Responsible for architecting a distributed software framework for the company’s new test equipment product line in the Performance Analysis for Broadband market. These responsibilities include working and communicating closely with product marketing and the various development groups, evaluating key technologies used for development of the infrastructure, define software methodologies for delivering the software infrastructure, and delivering a software infrastructure architecture specification. The architecture specification included UML component diagrams as well as highlighted the main architectural design patterns used with the framework.• Designed and implemented TCL based Automation interface to the infrastructure platform. This required the design and implementation of JMX Management Beans to provide a CORBA interface to the TCL environment, and the implementation of a CORBA Service to provide a CORBA to EJB adapter to access the EJB based framework.

• Responsible for architecting and implementing JAVA based infrastructure to support company's Disk Based Content Addressable Server/Disaster Recovery Product. The infrastructure includes JAAS, Java Logging, JDBC Database Access, Event Notification and Service Management.

• Primary responsibilities included interfacing with our product marketing team to obtain product requirements for the on-box Element/Network Management (EMS/NMS) application suite for the company’s Multi-Router product and to architect and implement the infrastructure platform for this application suite. Technical team Lead for a group of 7 engineers working on EMS/NMS development. Write Architecture and Functional Specification Documents. Give technical presentations to marketing and upper management on EMS/NMS architecture. Design and implement major infrastructure components of this architecture.• Designed and implemented multi-tiered, distributed Java based on-box Element Management platform for the company’s Multi-Router product. This management platform provides the capabilities to provision and monitor the various hardware/software resources on the Multi-Router chassis and to provide FCAPS. The Java based system was implemented around a CORBA foundation that provided access to the underlying infrastructure components via JNI at the lowest layer. The upper layers included an XML/CORBA bridge for handling northbound XML/SOAP requests, as well as providing the native CORBA interface to the upper tier business objects and GUI components. The upper tier used Tomcat as the servlet/jsp container to house the GUI and business object components. This platform also provides the interfaces necessary to communicate with our off-box EMS.• Designed and implemented Management CLI plugins in C for controlling/monitoring the EMS as well as Router Provisioning CLI plugins for managing the provisioning and un-provisioning of individual routers.• Integrated product specific EMS GUI and SNMP MIB and trap definitions with HP OpenView as well as created product specific symbols that are displayed on OpenView discovery maps.• Ported Kaffe Java Virtual Machine to run under NetBSD on our PowerPC platform.

• Designed and developed Java based distributed SAN Management Platform for managing and monitoring various vendor’s (Brocade, Vixel, Gadzoox, Emulex, Crossroads, etc) SAN switches, hubs and controllers as well as correlating information for rendering fabric topologies. This was a 3-tier system, which was architected to use XML and TCP/IP sockets as the primary means for the request/response protocol between the layers. The lowest layer used an XML to SNMP Bridge to translate XML requests into SNMP requests to the specific SAN devices for devices with out-of-band management capabilities as well as direct interfaces to in-band management capable devices. The middle layer used an SNMP discovery algorithm as well as in band interfaces to discover all the SAN based devices in the network and stored all collected information in a centralized JDBC database. The upper tier used Jetty Web Server, Servlets, and Swing based applets to provide the GUI.• Designed and implemented SNMP Agent using Java programming and AdventNet SNMP Agent Toolkit for company’s SAN Intelligent NIC Card. This agent was designed to run as a service under Windows2000/NT.• Designed and developed Java based agent for managing the workstation platform running the company’s NIC card. This agent was implemented in JAVA and used JNDI to register with a centralized LDAP server used for discovery of the agents, as well as provided an XML/RPC interface for managing the agent.