Platform Security Engineer, OpenBMC

About this role

Anthropic seeks a founding Platform Security Engineer to design and secure OpenBMC-based management firmware across its server infrastructure. You'll balance shipping production features on x86/Arm platforms with hardening firmware against sophisticated threats, embedding security from the ground up.

What you'll do

• Design and ship OpenBMC firmware features using Yocto/OpenEmbedded for x86 and Arm platforms from bring-up through production
• Implement management stack using DMTF/OCP standards (MCTP, PLDM, SPDM, Redfish) and IPMI/KCS for sensors, telemetry, and logging
• Own BMC security posture including secure boot, attestation, authenticated updates, and rollback protection
• Lead threat modeling and secure design reviews; coordinate vulnerability disclosure with vendors and upstream
• Build verification tooling including static analysis, fuzzing, and firmware extraction with CI gating
• Manage hardware/firmware boundary work across I2C, SPI, PCIe, BMC-to-BIOS communications, and thermal/power management

What they're looking for

• OpenBMC/BMC firmware development on x86 and Arm platforms
• C/C++ and Python programming with deep Linux kernel/user-space knowledge
• Yocto/OpenEmbedded build systems
• DMTF standards (MCTP, PLDM, SPDM, Redfish) and IPMI
• Firmware security including secure boot, attestation, and root of trust
• Hardware interfaces: I2C/I3C, SPI, PCIe, SMBus, eSPI/LPC
• Firmware debugging, reverse-engineering, and vulnerability research
• Cross-functional leadership and vendor communication

Benefits

• $405,000 annual salary
• Hybrid work with 25% minimum office presence
• Visa sponsorship available
• Opportunity to build foundational infrastructure at early-stage AI company
• Cross-functional collaboration with hardware and security teams