Technologist, Firmware Engineering

Western Digital

10 - 15 years

35 - 40 Lacs

bengaluru

Posted:13 hours ago| Platform:

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Skills Required

computer science system architecture c++ linux memory management resource allocation pcie windows firmware protocol designing

Work Mode

Work from Office

Job Type

Full Time

Job Description

Technologist, Software Engineering

Key Responsibilities

Multi-OS PCIe Driver Development:
Youll architect and implement high-performance
PCIe drivers
for both the
Linux
and
Windows
operating systems. This includes handling device enumeration, interrupt management, and resource allocation.
Custom Protocol Design:
Design and implement a custom,
NVMe-like protocol
that operates over
PCIe MMIO
. Youll be responsible for the entire host-side implementation, including:
- Doorbell Registers:
  Design and implement the mechanism for host software to signal the device by ringing
  doorbells
  to submit commands.
- Command Queues:
  Manage command submission and completion queues in memory.
- Interrupt Handling:
  Develop the interrupt service routines (ISRs) to handle device-generated interrupts and notify the host of command completions and events.
- DMA Engine Control:
  Orchestrate the
  DMA engine
  to move data efficiently between the host and device without CPU intervention.
Memory Management:
Architect the software for accessing the devices
SRAM and DRAM
over the
PCIe BAR (Base Address Register) space
, ensuring optimal performance and cache coherency.
ONNX Runtime Integration:
Collaborate closely with the team responsible for the ONNX runtimes execution provider to ensure a seamless and high-performance integration.

Debugging & Optimization:

Experience:
10+ years in system software development.
Kernel-Mode Expertise:
Extensive experience designing and developing
kernel-mode drivers
for both

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