Experience

Nutanix

• United States
• Software Development
• 700 & Above Employee

• Technical Director (DR & Backup Group)

  • May 2018 - Present

• Sr. Staff Engineer (DR & Backup Group)

  • May 2016 - May 2018



NetApp

• United States
• IT Services and IT Consulting
• 700 & Above Employee

• Principal Engineer (Data Management Group)

  • Oct 2011 - Apr 2016

  Technical Lead & Architect responsible for architecture, design and implementation of Sync/Async DR, Backup, Data Management and Data Mobility control plane in Clustered Data Ontap.Technical Lead responsible for architecture, design of extensions to the control plane to enable cross-platform (other NetApp platforms and Cloud) Backup.Technical lead for geo-distributed product development team.Presenter of Integrated Data Protection Portfolio to customers at NetApp RTP EBC (Executive Briefing Center).Member NetApp TAB (Technical Advisory Board) responsible for validating architectural correctness and inter-module dependencies for all features in Clustered Data Ontap.

• Senior Engineer (SAN Technology Group)

  • Jul 2005 - Oct 2011

  Technical Lead and Architect responsible for architecture, design, implementation and delivery of the SAN core data-path components and SCSI protocol processing components for Clustered Data Ontap.Architect and Technical Lead of the SCSI Target Team that designed implemented and delivered the SCSI Target for Clustered Data Ontap. - Shared nothing distributed implementation of SCSI protocol. - Provides enterprise class scalability, availability, reliability, supportability and interoperability. - Supports VmWARE VAAI, Thin Provisioning, Atomic Test & Set, XCOPY Copy Offload - Supports Microsoft ODX. - Supports FCP & iSCSI - Also executes in a Linux user-space mock environment (enabled rapid development & comprehensive unit-test). - Later ported to FlashRay platform.Created a comprehensive SCSI Target Specifications that is used for end-to-end testing and qualification in every release.Part of the seed team responsible for the investigation, competitive analysis and architecture for a Tier 1 enterprise class SAN Storage Appliance.Implementer in the Fibre Channel Driver team.



Brocade

• United States
• Computer Networking Products
• 700 & Above Employee

• Senior Staff Engineer (Platform Software Group)

  • Feb 2001 - Jul 2005

  Technical lead for Brocade's Fabric OS kernel drivers group. Responsible for design, implementing and enhancing Fabric OS kernel components (Routing Driver, Blade Driver, Switch Driver and FC Driver).Member of the core architecture team (4 members) responsible for Brocade’s next-generation Fabric OS kernel architecture.Member of team that conceptualized inter-fabric routing in Fibre Channel networks.Member of the team that designed and implemented the prototype of "V-Switch" -- a fabric-based asymmetric storage virtualization platform on Brocade switches.



Insight Solutions

• Transportation/Trucking/Railroad

• Senior Software Engineer

  • Jun 1997 - Jan 2001

  Worked on the following client projects: - Hewlett-Packard: HP-UX and embedded Firmware Drivers for Tachyon TL/TS Fibre Channel adapters. HP-UX Device Driver for PCI 10/100 Ethernet adapters. - Cisco: Platform software for Cisco MGX8850 Multi-Service Switch. - Sun Microsystems: Systems Management and components of Cluster Membership Manager for Sun Cluster 2.0. - SGI: IRIX commands CERT/security vulnerability fix.



Comit Systems, Inc

• Semiconductor Manufacturing
• 1 - 100 Employee

• Software Engineer

  • Nov 1996 - May 1997

  Worked on the following client projects: - XILINX: Various components of Xilinx EDA software.



Center for Development of Advanced Computing (C-DAC)

• India
• Appliances, Electrical, and Electronics Manufacturing
• 1 - 100 Employee

• Member Technical Staff (GIST Group)

  • Jun 1993 - Oct 1996

  Design and implementation of word processors, terminal emulators, UNIX device drivers and X-Windows extensions to enable Indian Language display and processing.Member of the team that conceptualized and developed the C-DAC Citizen's ID Card system for voter ID cards.



Pertech Computers Limited

• System Software Engineer

  • Sep 1991 - May 1993

  Designed and Implemented a UNIX print scheduler to handle heavy duty application specific printing.Fixed various kernel and SCSI driver bugs in PCL ONIX (UNIX variant for PCs).