Frontier AI Infra Security Architect

Fluidstack; California; On-site; USD 150,000 - 210,000; Full time

Job summary

Fluidstack is building frontier AI compute infrastructure and seeks a security-focused engineer to shape the architecture that keeps model weights and training environments safe. You will run security design reviews, define isolation across hardware, firmware, hypervisor, and software layers, and help ensure multi-tenant boundaries under real adversarial pressure.

Join a mission to secure AI compute, leverage confidential computing concepts, and translate research into practical, deployable

Qualifications

• Experience securing AI/ML/HPC infrastructure.
• Proven track record in systems security.
• Ability to translate research into deployable architecture.
• Publication or shipped work in security is a plus.

Responsibilities

• Lead security design reviews for AI compute systems.
• Identify and mitigate risks across hardware to orchestration layers.
• Define isolation and multi-tenant boundaries under adversarial pressure.
• Track new accelerators and interconnect generations for security impact.

Skills

Security fundamentals

Systems security

ML/AI infrastructure

Threat modeling

Job description

Fluidstack is building frontier AI compute infrastructure and seeks a security-focused engineer to shape the architecture that keeps model weights and training environments safe. You will run security design reviews, define isolation across hardware, firmware, hypervisor, and software layers, and help ensure multi-tenant boundaries under real adversarial pressure.

Join a mission to secure AI compute, leverage confidential computing concepts, and translate research into practical, deployable