Platform Firmware Engineer

About The Role

Own the platform firmware that brings our AI accelerator systems to life and keeps them secure, healthy, and observable — from secure boot and the hardware root of trust, through embedded-controller/BMC and device firmware, to power management, telemetry, and the debug infrastructure that keeps the platform running at scale.

What You'll Do

• Platform firmware — develop firmware across the stack: boot ROM/bootloaders, embedded controllers / BMC, and device firmware for our accelerator silicon and systems
• Secure boot & root of trust — measured/verified boot, code signing and chain-of-trust, authenticated firmware update (anti-rollback), and secure debug
• Power management — power sequencing, PMIC/voltage-rail control, DVFS, and power/thermal protection and budgeting
• Monitoring & telemetry — sensors, health/RAS, error logging, and platform management/observability interfaces
• Debug & bring-up — JTAG/scan and debug infrastructure; board and post-silicon bring-up

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• Partner with silicon/architecture, hardware/board, and software teams on firmware interfaces, threat modeling, and HW/SW co-design
• Assisted tool flows to accelerate development and review
  
  

What We're Looking For

• Strong C and assembly for embedded/firmware; bare-metal or RTOS on ARM (or similar)
• 5+ years developing platform/system firmware — boot, BMC/embedded controllers, and device firmware
• Hands-on with secure boot / hardware root of trust, code signing, and secure/anti-rollback update

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• Power-management firmware — power sequencing, PMIC/voltage regulators, DVFS, and thermal/power telemetry
• Platform monitoring & debug — sensor/telemetry, RAS/error handling, JTAG/debug, and management interfaces
• Comfort at the HW/SW boundary — reading datasheets/specs, lab bring-up, scopes/logic analyzers
• (Optional) Rust for firmware/embedded development; OpenBMC, UEFI/coreboot; accelerator/GPU/server firmware; applied crypto & key management; TEE (TrustZone); side-channel/fault-injection awareness; standards (NIST SP 800-193, FIPS 140-3); SBOM/supply-chain security
  
  

Compensation

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Final offers depend on level, location, and skills relevant to the role. Additional compensation: equity grant per company guidelines; medical / dental / vision; 401(k); standard PTO.

Visa Sponsorship

DensityAI sponsors qualified candidates for H-1B, O-1, TN, E-3, and other employment-based visas, and we welcome applicants on F-1 OPT and STEM-OPT. Work authorization is required at start; we provide immigration support to secure or transfer status.

Export Controls

Aspects of this role may involve access to information subject to U.S. export controls (EAR/ITAR). We may discuss licensing or scope adjustments during the interview.

Equal Opportunity

DensityAI is an Equal Opportunity Employer. We do not discriminate on the basis of race, color, religious creed, national origin, ancestry, physical or mental disability, medical condition, genetic information, marital status, sex, gender, gender identity, gender expression, age (40+), sexual orientation, military or veteran status, pregnancy, or any other status protected by law. We comply with the California CROWN Act and provide reasonable accommodations on request.

Full compensation packages are based on candidate experience and relevant certifications.

California pay range

$250,000 - $370,000 USD