Santosh Sarangi

About Santosh Sarangi

Actively looking for new opportunities. Firmware and Embedded System Developer with multiple years of experience in Storage Backplane Engineering, Storage HBA controller, SAS Expander firmware, Embedded OS, Device Drivers, Enterprise Data storage solutions (Logical Volume manager, file systems, software RAID, back-up and recovery) and I/O virtualization. I have extensive and in-depth knowledge of the entire storage firmware and software stack and embedded data center solutions. I have technically managed engineering team of eight people. Dell PowerEdge software/firmware ecosystem, Storage Backplane Engineering, HBA Controller Engineering, Sideband and Inband system Management. NVMe RAID controller for Boot and data solution. Participated in the design of Dell PowerEdge systems, focusing on Scalability, Reliability and Security. SAS/SATA, PCIe, NVMe, UBM protocols, communication protocols like UART, I2C/MCTP, SPI, TCP/IP, Ethernet. Good understanding on SSD technology - HIL, FTL, Flash controller, etc. C/C++ system programming, Shell scripting, Python, FreeRTOS, Threadx, Linux. SAS Analyzers, GHs Multi debugger, gdb, dbx, Valgrind, Coverity, Perforce, CVS, GIT, SVN, JIRA, etc. Storage management products, Storage provisioning, I/O Virtualization, Software RAID, Logical Volume Managers, Unix file systems, SAN/NAS/DAS, EMC Symmetrix & VNX. SCRUM/Agile processes and distributed code reviews. Strong problem-solving skills, including the ability to find creative solutions to difficult problems. Solid understanding of software engineering principles, crafting and developing firmware using C/C++ programming. Excellent stakeholder management skills such as communicating with product managers, peer teams, partners, and senior management.

Experience

1. Sr Principal Engineer

   Dell Technologies

   Sep 2021 — Present · Bengaluru, IN

   Responsible for driving preparation, review and evaluation of embedded server storage software/storage/hardware requirements, specifications for Backplane (Passive, SAS and PCIe Switch Solutions) and HBA Controller Engineering Development.• Involved in development of firmware/cli stack of NVMe RAID controller for boot and data solution.• Design and implementation of Backplane sideband interface with BMC and Host Controller, BMC memory map, UBM FRU data (SFF-TA-1005) and Backplane FRU data.• Engineered SAS JBOD topologies tailored to various scalability and reliability requirements [ Multi-path redundant Daisy chain].• Review and implement test strategies for embedded software running on microcontrollers in backplane ecosystems.• Review and Influence Hardware/Software Design, system Architecture from Internal Teams and Vendors.• Responsible for Integrating Backplane solutions on various PowerEdge software/firmware ecosystem like Sideband System Management, Inband Management, BIOS, Drives, Controller and Operating Systems.

Education

• Utkal University

  BE

• National Centre for Software Technology

  PGDST

• Ravenshaw University, Cuttack

  PUC

• Birla Institute of Technology and Science, Pilani

  Master of Technology - MTech