Sr Software Engineer – BIOS, AWS Hardware Engineering, Firmware Development

Job Description

The AWS BIOS Engineering team creates and maintains custom firmware solutions for Amazon’s innovative server platforms. Our BIOS/UEFI implementations are industry-leading in security, performance, and operational excellence, and are critical to the success of AWS’s massive-scale infrastructure that millions of customers rely on daily. Our BIOS engineers solve complex firmware challenges and build robust, secure bootloader solutions that enable AWS to maintain its competitive edge in data center infrastructure.
The ideal candidate will be a senior firmware engineer with 7+ years of hands-on embedded or BIOS/UEFI development experience. You will bring deep expertise in x86 platform architecture, secure boot implementations, and low-level system programming. You will have a track record of leading complex firmware projects end-to-end and collaborating with silicon vendors on platform bring-up and reference code integration. You will gain intimate understanding of AWS’s custom server firmware stack and analyze it for both current needs and future scalability. You will collaborate with internal teams (hardware, validation, security) and external partners (silicon vendors, ODMs) while leading critical firmware development efforts.
Design and implement custom UEFI/BIOS features for AWS server platforms
– Optimize boot time performance and platform initialization sequences
– Work with hardware teams on board bring-up and platform validation
AWS’s custom server platforms require specialized firmware solutions that maximize performance, security, and reliability at scale. Your BIOS developments will directly impact millions of servers running in AWS data centers worldwide, requiring unique optimizations that benefit our infrastructure and customers.
Work on cutting-edge server platforms and next-generation silicon
– Direct impact on AWS infrastructure efficiency and security
– Ownership of critical firmware components from design through deployment
– Collaboration with industry leaders in data center infrastructure
– Access to advanced hardware labs and debug equipment
– Work with a team of experienced firmware engineers
– Join our diverse engineering organization where you’ll help deliver the firmware foundation for AWS’s global infrastructure. UEFI/BIOS Development:
– Develop and maintain UEFI/BIOS code for server platforms
– Create and maintain Platform Reference Code (PRC)
– Coordinate BIOS development efforts
– Platform Integration:
– Interface with CPU/GPU vendors (Intel, AMD and Nvidia) for new platform bring-up
– Review technical specifications and design documents
– Lead architecture discussions and technical planning
– Establish coding standards and best practices
Project Management:
– Coordinate between international teams (US and Taiwan)
– Track project timelines and deliverables
– Interface with product management and customer teams
Why AWS*
Amazon Web Services (AWS) is the world’s most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.
*When we feel supported in the workplace and at home, there’s nothing we can’t achieve in the cloud.
*Here at AWS, it’s in our nature to learn and be curious. Our employee-led affinity groups foster a culture of inclusion that empower us to be proud of our differences. Ongoing events and learning experiences, including our Conversations on Race and Ethnicity (CORE) and AmazeCon (gender diversity) conferences, inspire us to never stop embracing our uniqueness.
*We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional.”
7+ years of non-internship professional software development experience
– 6+ years of programming with at least one software programming language experience
– Experience as a mentor, tech lead or leading an engineering team
– 6+ years of bare-metal firmware OR BIOS/UEFI development experience in C (not embedded Linux or kernel driver development)
– 6+ years of bare-metal firmware development experience in C on MCUs, SoCs, or server platforms
Bachelor’s degree in computer science or equivalent
– BIOS/UEFI/EDK2/Coreboot development experience on x86 or ARM server platforms
– Experience with ACPI, SMM, PCIe enumeration, secure boot, or platform RAS features
– Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
communicate effectively and respectfully with employees, supervisors, and staff to ensure exceptional customer service; and follow all federal, state, and local laws and Company policies. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness and professionalism, and safeguard business operations and the Company’s reputation. Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave.