Staff Software Security Engineer, Labs & Advanced Research

Alex Loftus; New York (NY); Hybrid; USD 180,000 - 320,000; Full time

Job summary

Anthropic Security Labs is seeking a Staff + Software Security Engineer to own a portfolio of high‑risk, high‑value security projects. You are a strong software engineer with deep expertise in at least one area such as firmware or hardware security, applied cryptography, OS/kernel, or formal methods.

You’ll prototype fast, collaborate with research and infrastructure teams, and turn experiments into credible plans and shipped results. If frontier AI security excites you, this role fits.

Qualifications

• Strong software engineering foundation with breadth in multiple domains.
• Deep expertise in at least one area such as firmware/hardware security or cryptography.
• Ability to prototype and ship hard research bets.
• Experience with isolation, attestation, or trusted execution environments.
• Willingness to operate in a fast, high-risk security research environment.

Responsibilities

• Own Security Labs projects end to end from scope to hand-off.
• Stand up novel security infrastructure quickly and safely.
• Collaborate with research and infrastructure teams to test workflows.
• Convert experimental results into writeups shaping security architecture.
• Help pick the next round of bets and influence industry security practices.
• Build trusted security controls and verifications across systems.

Skills

Software engineering

Firmware security

Hardware security

Applied cryptography

OS / kernel internals

Hypervisor internals

Formal methods

Reverse engineering

Security research

Autonomous decision making

Job description

Anthropic Security Labs is seeking a Staff + Software Security Engineer to own a portfolio of high‑risk, high‑value security projects. You are a strong software engineer with deep expertise in at least one area such as firmware or hardware security, applied cryptography, OS/kernel, or formal methods.

You’ll prototype fast, collaborate with research and infrastructure teams, and turn experiments into credible plans and shipped results. If frontier AI security excites you, this role fits.