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

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 boot loader solutions that enable AWS to maintain its competitive edge in cloud computing.

The ideal candidate is an innovative self‑starter with deep expertise in UEFI/BIOS development. You will be a firmware specialist with comprehensive knowledge of x86 and ARM
64 architecture, secure boot implementations, and low‑level system programming. You will gain an intimate understanding of AWS's custom server firmware stack, analyze it for current needs and future scalability, and leverage your system‑level expertise to find optimal solutions to complex boot‑time challenges. 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
• Debug complex firmware issues using tools like ITP, Scan Tool, and JTAG
• Optimize boot time performance and platform initialization sequences
• Implement secure boot mechanisms and firmware security features
• Develop and maintain Power‑On Self Test (POST) code
• Create firmware update mechanisms and recovery solutions
• 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 r BIOS developments will directly impact millions of servers running in AWS data centers worldwide, requiring unique optimizations that benefit our cloud 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 cloud computing
• Access to advanced hardware labs and debug equipment
• Opportunity to influence future server architecture decisions
• Work with a team of experienced firmware engineers
• Join a diverse engineering organization that fosters inclusion and innovation

• Develop and maintain UEFI/BIOS code for server platforms
• Implement ACPI tables and power management features
• Create and maintain Platform Reference Code (PRC)
• Debug complex firmware issues using ITP and JTAG tools

• Work directly with ODM partners
• Coordinate BIOS development efforts
• Review and validate ODM‑provided BIOS code
• Support manufacturing bring‑up and validation

• Interface with CPU/GPU vendors (Intel, AMD, Nvidia) for new platform bring‑up
• Integrate and rebase Reference Code packages
• Support system validation and debugging

• Provide technical leadership in advanced features
• Mentor junior BIOS engineers
• Review technical specifications and design documents
• Lead architecture discussions and technical planning
• Establish coding standards and best practices

• Coordinate between international teams (US and Taiwan)
• Track project timelines and deliverables
• Interface with product management and customer teams

• Maintain relationships with silicon vendors
• Participate in industry forums and standards bodies
• Keep up with emerging technologies and industry trends

• Amazon Web Services (AWS) is the world’s most comprehensive and broadly adopted cloud platform.
• Amazon values diverse experiences and encourages applicants whose career paths are non‑traditional.
• We value work‑life harmony and flexibility as part of our working culture.
• An inclusive team culture fosters learning, curiosity, and collaboration.
• Mentorship and career growth opportunities are available to all employees.

• 5+ years of non‑internship professional…