Microsoft

Sr. Firmware Engineer

Microsoft$119K — $234K *
Consumer Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Doctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field with 1+ year technical experience or equivalent OR Master's with 4+ years OR Bachelor's with 5+ years.
  • 5+ years designing and developing firmware solutions.
  • 4+ years of experience in C, C++, and Rust with a proven production-quality output.
  • 2+ years working with industry-standard interfaces and protocols (PCIe, I2C, SPI, USB, UART).
  • Ability to meet Microsoft security requirements, including the Microsoft Cloud Background Check.

Responsibilities

  • Develop and maintain firmware and driver solutions for Microsoft's custom silicon platforms.
  • Contribute throughout the product lifecycle from architecture to productization.
  • Design key firmware components and driver interfaces for SoC bring-up.
  • Participate in firmware architecture and design reviews to ensure reliability and performance.
  • Drive hardware-software integration for new silicon capabilities in Azure.
  • Collaborate with hardware engineering teams to deliver platform capabilities.
  • Partner with OS and software teams to apply new technologies across the Azure fleet.

Benefits

  • Comprehensive health coverage including medical, dental, and vision plans.
  • Retirement savings plan with company match.
  • Paid time off, including vacation and holidays.
  • Opportunities for professional development and training.
  • Employee discounts on Microsoft products and services.
Full Job Description
Responsibilities

  • Develop and maintain firmware and driver solutions for Microsoft custom silicon platforms, including MAIA (AI accelerator) and COBALT (general-purpose compute), deployed across the Azure fleet.
  • Contribute across all phases of the product lifecycle, from architecture and design through silicon bring-up, validation, manufacturing, and productization.
  • Design and develop key firmware components, including driver interfaces, system libraries for SoC bring-up, low-level hardware protocols, and platform features.
  • Participate in firmware architecture and technical design reviews, ensuring scalable, reliable, and high-performance solutions for Microsoft custom silicon platforms.
  • Drive hardware-software integration efforts to enable new silicon capabilities and accelerate feature deployment across Azure infrastructure.
  • Collaborate closely with silicon, board electrical, and hardware engineering teams to design, enable, and deliver new platform capabilities for Azure infrastructure.
  • Partner with operating system and software platform teams to integrate and deploy new technologies and features across the Azure fleet.


Qualifications

Required Qualifications:
  • Doctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 1+ year(s) technical engineering experience
    • OR Master's Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 4+ years technical engineering experience OR Bachelor's Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 5+ years technical engineering experience
    • OR equivalent experience.
  • 5+ years of professional experience designing and developing firmware solutions.
  • 4+ years of experience in C, C++, and Rust, with a strong track record of delivering production-quality software.
  • 2+ years of experience with two or more industry-standard interfaces and protocols, including PCIe, I2C, SPI, USB, and UART.


Other Requirements:

Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings:

Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud Background Check upon hire/transfer and every two years thereafter.

Preferred Qualifications:
  • Experience with UEFI and ARM Trusted Firmware (ARM-TF) is a plus.
  • Experience with ARM64 SoCs and Armv8 architecture, including boot flows, trusted firmware, and system initialization, is a plus.
  • Experience using AI-assisted and agentic development tools to accelerate issue triage, debugging, root-cause analysis, and feature development.
  • Experience diagnosing and resolving complex hardware-software integration issues.
  • Experience collaborating effectively across silicon, hardware, operating system, and platform software teams.
  • Doctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 3+ years technical engineering experience with coding OR Master's Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 6+ years technical engineering experience with coding OR Bachelor's Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 8+ years technical engineering experience with coding OR equivalent experience.


#SCHIE

Firmware Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-corporate-pay

This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.

About Microsoft

Microsoft is an American multinational corporation that develops, manufactures, licenses, supports, and sells a range of software products and services. Microsoft’s devices and consumer (D&C) licensing segment licenses the Windows operating system and related software, Microsoft Office for consumers, and the Windows Phone operating system. The company’s computing and gaming hardware segment provides Xbox gaming and entertainment consoles and accessories, second-party and third-party video games, and Xbox Live subscriptions; surface devices and accessories; and Microsoft PC accessories. Its phone hardware segment offers Lumia smartphones and other non-Lumia phones. Its D&C segment provides Windows Store, Xbox Live transactions, and Windows phone store; search advertising; display advertising; Office 365 Home and Office 365 Personal; first-party video games; and other consumer products and services as well as operating retail stores. Microsoft’s commercial licensing segments license server products, including Windows Server, Microsoft SQL Server, Visual Studio, System Center, and related Client Access Licenses (CALs); Windows Embedded; Windows operating system; Microsoft Office for business, including Office, Exchange, SharePoint, Lync, and related CALs; Microsoft Dynamics business solutions; and Skype. Its commercial segment offers enterprise services, including premier support services and Microsoft consulting services; commercial cloud comprising Office 365 Commercial, other Microsoft Office online offerings, Dynamics CRM Online, and Microsoft Azure; and other commercial products and online services. The company markets and distributes its products through original equipment manufacturers, distributors, and resellers, as well as online.

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Learn more about Microsoft
Size
181,000 employees
Market Cap
$1,762.4 billion
Industry
Net Income
$51.3 billion
Founded
1975
5 Year Trend
+15.5%
Revenue
$153.2 billion
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