Staff BIOS/Platform System Engineer
Monolithic Power Systems, Inc.2 months ago
San Jose, CA, USAStaff+
Base Salary
$140k - $220k/yr
Responsibilities
- Lead BIOS-level bring-up and validation for new hardware platforms, including CPU, chipset, and DDR5/DDR6 memory subsystem debugging.
- Develop and execute validation plans for BIOS features, power management, security features, and boot flows.
- Support manufacturing and sustaining engineering through BIOS customization, factory programming, and field issue resolution.
- Analyze and customize BIOS/UEFI firmware for AMD EPYC/Ryzen, Intel Core/Xeon, and ARM-based platforms.
- Troubleshoot POST failures, memory training errors, PCIe enumeration problems, and thermal or power-sequencing anomalies.
- Configure and validate DDR5 memory subsystems, including SPD/XMP programming, memory training, RAS features, and JEDEC compliance.
- Use JTAG/ITP debuggers, logic analyzers, oscilloscopes, protocol analyzers, and serial consoles for hardware and firmware debugging.
- Collaborate with systems, hardware, design, applications, and silicon vendor engineers on platform bring-up and validation.
- Author issue logs, validation reports, debug guides, and technical documentation, and participate in design reviews and bring-up planning.
Requirements
- Bachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a closely related field.
- At least 3 years of hands-on BIOS/UEFI firmware development or validation experience.
- Experience with at least two of AMD, Intel, or ARM CPU architectures and their associated firmware technologies.
- Strong understanding of DDR5 memory architecture, training algorithms, SPD/MR registers, and RAS features.
- Proficiency in C/C++ and scripting with Python and Bash for firmware development and automation.
- Experience with UEFI/EDK2, SMM, DXE, PEI driver development, and ACPI/ASL.
- Familiarity with JTAG debuggers, protocol analyzers, oscilloscopes, and serial console interfaces.
- Understanding of PCIe, USB, I2C/SMBus, SPI, LPC, UART, and GPIO interfaces.
- Ability to read and interpret hardware schematics, datasheets, and silicon vendor documentation.
- Preferred qualifications include experience with AMD PSP, Intel ME/CSME, ARM TrustZone, OpenBMC, IPMI/Redfish, server RAS, PCIe Gen 5, CXL, JEDEC DDR5 compliance, power-management frameworks, silicon bring-up, Git, CI/CD pipelines, and agile engineering workflows.
Benefits
- Competitive salary and equity compensation.
- Health, dental, and vision coverage, plus life and disability protection.
- 401(k) with company match and Employee Stock Purchase Program.
- 11 company-paid holidays and 15–20 days of paid time off depending on tenure.
- Generous discretionary company bonuses and potential stock compensation for eligible positions.
- Flexible work arrangements and professional development support.
- Access to pre-production hardware, silicon support, and a dedicated debug lab; occasional travel to vendor or customer sites may be required.
About Monolithic Power Systems, Inc.
Monolithic Power Systems designs and sells analog and mixed-signal power-management semiconductors—such as DC-DC converters, PMICs, power modules, motor and LED drivers, and battery-management ICs—used by OEMs in industrial, telecom infrastructure, cloud/datacenter, automotive, and consumer devices. The company monetizes through chip and module sales, plus evaluation hardware with supporting software and reference designs. Founded in 1997 and headquartered in West Palm Beach, Florida, it is a public company traded on NASDAQ.