Staff Engineer, Firmware Engineering

Western Digital

4 - 9 years

25 - 30 Lacs

bengaluru

Posted:1 day ago| Platform:

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Skills Required

computer science system architecture c++ jtag communication protocols debugging dma pcie hardware firmware

Work Mode

Work from Office

Job Type

Full Time

Job Description

Key Responsibilities

PCIe Driver Development:
Design and implement firmware for the devices
PCIe driver
, ensuring robust and high-speed communication with the host. You will be responsible for handling interrupts, managing queues, and optimizing data flow.
Data Path Engineering:
Develop and optimize firmware for the
DMA engine
, orchestrating high-bandwidth data transfers between the host and on-device memory.
Hardware Interface:
Implement and manage firmware for
MMIO (Memory-Mapped I/O)
and
Mailbox
communication, enabling the host software to configure the device and send commands.
Protocol Implementation:
Work on firmware that implements a subset of the
NVMe
protocol or similar high-performance interfaces to streamline data and command transfers.
Debugging and Optimization:
Utilize your expertise to debug complex, system-level issues related to PCIe, DMA, and MMIO. You will profile the firmware and optimize its performance to maximize the throughput of ML workloads.
Collaboration:
Work closely with the host-side software teams, hardware engineers, and other firmware engineers to ensure a cohesive and high-performing end-to-end solution.Qualifications

Required Qualifications

Experience:
4+ years of hands-on experience in firmware or embedded systems development.
Technical Expertise:
- Strong proficiency in
  C/C++
  for low-level programming.
- Hands-on experience with
  PCIe
  and developing firmware or drivers for high-speed interfaces.
- Solid understanding of system architecture, including
  DMA engines
  and
  MMIO
  .
- Experience with implementing communication protocols via a
  Mailbox
  or similar shared memory mechanisms.
- Familiarity with the
  NVMe
  specification is a plus.
Debugging Skills:
Proven ability to debug complex hardware-firmware interactions using tools like JTAG/SWD, logic analyzers, and protocol analyzers.
Problem-Solving:
Strong analytical skills and a passion for solving challenging, low-level problems.

Education:

Bachelors or Masters degree in Computer Science, Electrical Engineering, or a related field

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