Platform Security Engineer, DRTM / Secure Launch

Anthropic · San Francisco, CA | New York City, NY | Seattle, WAsenior

In short

▸Ingeniero de seguridad de plataforma que implementa y extiende DRTM en x86 y ARM para garantizar arranque seguro y atestación.
▸Trabaja en firmware, bootloader, kernel y hardware; participa activamente en comunidades abiertas como Linux y TianoCore.
▸Destaca por liderar el trabajo en DRTM en el entorno público, con impacto directo en estándares de seguridad de bajo nivel.

Clear written communication: this role produces specifications, design docs, and public

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What they ask for

✓Experiencia práctica profunda con DRTM, SRTM, TPM 1.2/2.0 y cadenas de medición de arranque
✓Conocimiento avanzado de C, ensamblador, kernel de Linux y fundamentos de arranque (UEFI, ACPI, SMM)
✓Historial comprobado de contribuciones significativas al código abierto en Linux, TianoCore o GRUB
✓Capacidad para trabajar en la frontera hardware/firmware con herramientas como JTAG y serial
✓Habilidades de liderazgo técnico con proveedores y OEMs
✓Comunicación escrita clara para documentación técnica y publicaciones

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DRTMIntel TXTAMD SKINITARM equivalentsSRTMTPM 1.2TPM 2.0LinuxTianoCoreGRUB

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About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role Anthropic is building the platform security foundation for the infrastructure that trains and serves frontier models. This role owns Dynamic Root of Trust for Measurement (DRTM) across that fleet: bringing it up on x86 and ARM, building the attestation and isolation properties it makes possible, and hardening the parts of the platform that DRTM alone does not cover. The work sits at the lowest layers of the stack: firmware, bootloaders, kernel, and the silicon features underneath them. It is also unusually public. We expect the DRTM work done here to land upstream, and the person in this role will be a visible participant in the Linux and firmware communities rather than a consumer of them. Security carries the same design weight as performance and scalability at datacenter scale. You will partner closely with our firmware security, hardware, and OS hardening engineers, and directly with vendor and OEM partners whose DRTM implementations we depend on. Key responsibilities DRTM adoption and integration: • Own adoption and integration of DRTM hardware security features across Anthropic infrastructure, on both x86 and ARM platforms • Implement attestation services and the additional security and privacy capabilities that DRTM presence enables • Design and implement a bootloader-agnostic solution for initiating and relaunching DRTM sessions • Investigate further hardening of existing DRTM solutions: PPAM to isolate SMM on x86, VMM features to isolate UEFI runtime services, ACPI handling and hardening in DRTM environments Vendors and upstream: • Interface with vendor and OEM partners on their DRTM solutions: refine requirements jointly and determine which changes are desirable and feasible • Publish relevant DRTM work upstream and help carry Linux Secure Launch maintainership as tboot is retired • Act as technical lead in architecture and design, and disseminate the work through technical papers, conference talks, and community engagement • Assist other Anthropic teams with their own open source efforts and upstream interactions Broader low-level platform work: • Build and harden other platform security features, including confidential computing solutions such as TDX and SEV • Support custom operating system artifacts, implement device drivers for custom hardware and features, and do firmware diagnosis and enhancement work • Debug and diagnose kernel and system-level issues on production hardware • Take on investigative work in new technical areas and old unsolved ones (for example, the distinct security problems in dTPMs and fTPMs) Minimum qualifications • Deep hands-on experience with measured boot and roots of trust: DRTM (Intel TXT, AMD SKINIT, ARM equivalents), SRTM, TPM 1.2/2.0, and the measurement chains built on them • Strong C and assembly, with deep Linux kernel and early-boot fundamentals (bootloaders, UEFI, ACPI, SMM) • A record of landing non-trivial work upstream in Linux, TianoCore, GRUB, or a comparable community • Comfort at the hardware/firmware boundary and with the debugging that comes with it: JTAG, serial, platform-level bring-up, silicon errata • Strong technical cross-functional leadership and direction setting, including with external vendors and OEMs • Clear written communication: this role produces specifications, design docs, and public

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