Sagar Gattepally has ** years of experience in analysis, design, and development of Software. He is a generalist and has in-depth knowledge and experience in building IoT, IIoT, Cloud Services(AWS, GCP, Azure, OpenStack), Cloud metering/billing, Container technologies, Cloud Native, Cloud Big Data Analytics, Application performance, Security & Vulnerability assessments and resolutions, Legal compliance, Virtual reality and Multimedia software research in Fuji Xerox, Many Telecom BSS/OSS implementations, and Banking industries. Lots of experience working in Agile, DevOps, product development and customer-oriented teams.

Specialties: * Generalist, Leadership, Software Architecture, Cloud, Analytics, Automation, virtualization, App Security, App Performance, DevOps, and Agile.

Cisco Security Green Belt Ninja.

Patents:

Model creation using visual markup languages (US8411086)

Skills

Cloud native Architecture, development, deployment. Kubernetes, Istio, Helm,

Kops, Docker.

Security Single SignOn (Keycloak, CAS, OpenSSO, Ping Identity), threat

modelling, threat risk assessment, threat detection.

Data Data modelling, data pipelines, Apache Nifi, data science tools

(Apache Zepppelin), NoSQL (Cassandra, MongoDB), RDBMS

(MySQL, Postgres, Oracle), NewSQL (CockroachDB, yugabyte,

presto)

Field of work IoT, IIoT, Digital transformation, Cloud services, Computer

Networking

Director, Architecture Dec 2018 – Present

Daikin Silicon Valley Innovation Center:

Responsible for inception, architecture, development, DevOps of an IoT platform. Building from ground up using 100% cloud native OSS stack. Moving towards digital transformation platform.

Leading an agile team in the areas of architecture, security, DevOps, digital transformation, policies for building the IoT cloud platform using OSS CNCF technologies. The platform is built to run on any cloud, manage/connect any device, understand any data, and integrate with any application. Our slogan is Any Cloud, Any Device, Any Data, and Any application.

Platform already hosts various thermostats, IAQ sensors, health sensors, residential/commercial HVAC equipment, weather sensors/data, integrates with multiple other third party clouds, and various other data sources. It supports protocols like MQTT, AMQP, CoAP, and HTTPS.

Using software Kubernetes, Istio, Docker, Keycloak, Apache Kafka, Apache Flume, Apache Hadoop/HDFS, Apache Spark, Apache Nifi, Apache Zeppelin, python, pyspark, sparksql, npm, NodeJS, EFK (Elastic Search, FluentBit, Kibana), Prometheus, grafana, metric-server, Helm, Kops, OWASP ZAP.

Technical Leader, Cisco Systems Aug 2010 – Nov 2018

Cisco Cloud (CIPS):

Leading development of cloud services management application using microservices architecture on Openshift container platform. Technologies involved are Dockers, Container technologies, Openshift/Kubernetes container platform, Kafka, Cassandra, Openstack API, Ping Identity.

Cisco Cloud (GIS): October 2016 – October 2017

Leading software development of CITEIS cloud orchestration engine for OpenStack clouds using Java, python, RabbitMQ, StackStorm, etc. Also working on providing identity federation for Openstack clouds. Role includes enforcing software development principles, code review, mentoring and requirements gathering.

Cisco Cloud (CIS) Jan 2015 – September 2016

Led development, design and implementation of OpenStack Cloud Telemetry platform architecture. We built a next generation analytics solution with Apache Spark, StreamSets, HDFS, Kafka to collect IaaS, PaaS, SaaS Cloud data to generate usage and other analytical data. Developed a new BSS API based on Python Flask and Spark Data Frames and MySQL queries. These micro services are targeted to run on Kubernetes. Technologies used: Apache Spark, Stream Sets, Kafka, Cassandra, MySQL, CI/CD, DevOps, Docker, Kubernetes, Ansible, Python, RabbitMQ.

Cisco ISE Aug 2010 – December 2014

Worked as an architect for Cisco Identity Services policy engine, a security policy management platform that automates and enforces context-aware security access to network resources. Provided new architecture for ISE distributed systems to scale massively while securing the data. Researched and developed prototypes based on databases like Casandra, MongoDB, Oracle, MySQL for performance and clustering features.

Worked on ISE Feed Services, a Cisco “cloud” service that provided a platform for Cisco to provide various feeds to the Cisco customer products. Feed Services Admin & Partner portals are integrated with Cisco.com login using Ping Identity Federation. Have complete understanding of SAML and Identity management. Designed and developed Feed Services data analysis that included weekly trend graphs using Google charts API.

Was involved in architecture and design of external Mobile device management (MDM) integration with ISE. Created a common Cisco MDM API for Partners like MobileIron, Good, Airwatch etc to allow integration with MDM Vendors.

Fuji Xerox R&D (FXPAL) Sr Research Engineer Jan 2005 – May 2010

Worked on Corporate Memory, Smart Spaces (Virtual Reality, Augmented reality, sensors integration and motion capture), and Video Search.

The Corporate Memory project combines technologies for seamlessly capturing enterprise content—such as documents, web pages, email, presentations, and meetings—with technologies for proactively helping employees discover these resources while they work. Built with Liferay, Lucene, Alfresco, CAS, LDAP, and Spring.

http://www.fxpal.com/research-projects/corporate-memory/

Smart Spaces is an exploration of human interaction within smart environments.

Using state of the art spatial sensors, like depth cameras, acoustic arrays, and tracking devices, we created sensitive-space applications for interacting with large data, with complex systems, and with other people. Provided augmented spaces where local and remote collaborations are informed by real-time, ambient and archival data streams in combination with live input. Virtual and mixed-reality systems for collaboration, particularly in industrial settings were developed using multi-user 3D Virtual World environment. Integrated many devices like Wiimote, 3Dconnexion, Mobile Bluetooth devices to use with 3D environments

http://www.fxpal.com/research-areas/smart-spaces/

http://www.fxpal.com/research-projects/the-virtual-factory-industrial-collaboration-environments/

MediaMagic is an interactive video search system, designed to enable users to efficiently search video using a flexible interface and rich visualizations. It was developed using Java,

http://www.fxpal.com/research-projects/interactive-video-search/

Southwestern Bell Technical Lead May 2002 – Dec 2004

Worked on SBC’s GIS (Geographical Information Systems), Postal address validation system, Yahoo DSL, and Ameritech DSL customers migration to SBC projects.

GIS project involved adding data layers in geographical maps to help SBC dealers view proprietary information interactively on maps. This project involved development of Apache Axis SOAP webservices, Arc IMS, Arc SDE, XSLT, and XML.

Postal address validation project involved design and development of enterprise wide address validation system. This solution helped save millions of dollars every year. This project involved working with JMS, Sonic MQ, Soap web-services. Yahoo DSL project involved design and development of J2EE services for IBM WebSphere. Ameritech DSL customer data migration involved development of java migration services that run as part of the overall migration system.

US Interactive Sr. Engineer / Prof Consultant October 1999 – April 2002

Worked as a technical consultant and evangelist for the company’s EAI product called ConnectEx. ConnectEx is developed in java, and utilizes JMS services for messaging. Developed integration EAI services (aka Connectors) in java to integrate several telecom systems like CRM, Billing, Ordering, Provisioning. Implemented the solution in various telecom companies like China light and power telecom (CLP) in Hong Kong, Vodafone/Mannesmann Mobil funk in Dusseldorf, European Telecom International in Vienna. Integration involved in-depth understanding the systems. Worked with several databases like Oracle, MySQL and Telecom systems like Vantive CRM, Portal Infranet Billing, NCR Data WareHouse, NCR CRM, Amdocs billing, and Kenan Arbor Billing. In addition, this role required great amount of client interactions and work at client locations.

Sr. Software Consultant / Lead, Logica January 1999 – October 1999

Worked on Queastor Businsess API (QBAPI) services for the Queastor retail banking product. The services were developed in COM/DCOM.

Software Engineer/ Lead, Shri MM Softek Ltd June 1996 – December 1998

Designed and developed a Co-Operative Banking product in Visual C++ (MFC). Later, ledd the team in designing and development of Shares Sub-module for the product.

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