Sr. Firmware Engineer

Job ID: 200047145Posted: 2026-08-12Location: United States, Washington, RedmondSalary: USD $119,800 - $234,700 per yearEmployment type: Full-TimeWork site: 3 days / week in-officeRole type: Individual ContributorTravel: Less than 25%Profession: Hardware EngineeringDiscipline: Firmware EngineeringCompany: MicrosoftOverviewMicrosoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent Cloud” mission. SCHIE delivers the core infrastructure and foundational technologies for Microsoft's over 200 online businesses including Bing, MSN, Office 365, Xbox Live, Teams, OneDrive, and the Microsoft Azure platform globally with our server and data center infrastructure, security and compliance, operations, globalization, and manageability solutions. Our focus is on smart growth, high efficiency, and delivering a trusted experience to customers and partners worldwide and we are looking for passionate engineers to help achieve that mission. As Microsoft's cloud business continues to grow the ability to deploy new offerings and hardware infrastructure on time, in high volume with high quality and lowest cost is of paramount importance. To achieve this goal, the Host Services team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware. We are looking for engineers with a dedicated passion for customer focused solutions, insight and industry knowledge to envision and implement future technical solutions that will manage and optimize the Cloud infrastructure. We are looking for a experienced Firmware Engineer to join the team. Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees, we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond. ResponsibilitiesDevelop 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.QualificationsRequired 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:This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.