Anthropic AI Security Fellow jobs in United States
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Anthropic · 1 week ago

Anthropic AI Security Fellow

positionSan Francisco Bay Area
timeFull-time
remoteHybrid
seniorityNew Grad
money$3,850/wk - $3,850/wk

Anthropic is a public benefit corporation dedicated to creating reliable and beneficial AI systems. They are seeking an AI Security Fellow to help accelerate the defensive use of AI in securing code and infrastructure through research and empirical projects.

Artificial Intelligence (AI)Foundational AIGenerative AIInformation TechnologyMachine Learning
badNo H1Bnote

Responsibilities

Help accelerate defensive use of AI to secure code and infrastructure
Use external infrastructure (e.g. open-source models, public APIs) to work on an empirical project aligned with research priorities, with the goal of producing a public output (e.g. a paper submission)
Undergo a project selection & mentor matching process
Participate in research discussions and contribute to the AI safety research community

Qualification

AI safety researchCybersecurityPython programmingEmpirical ML researchDeep learning frameworksCollaborationCommunicationProblem-solving

Required

Have a strong technical background in computer science, mathematics, physics, cybersecurity, or related fields
Thrive in fast-paced, collaborative environments
Can implement ideas quickly and communicate clearly
Fluent in Python programming
Available to work full-time on the Fellows program for 4 months
We require at least a Bachelor's degree in a related field or equivalent experience

Preferred

Contributed to open-source projects in LLM- or security-adjacent repositories
Demonstrated success in bringing clarity and ownership to ambiguous technical problems
Experience with pentesting, vulnerability research, or other offensive security
A history demonstrating desire to do the 'dirty work' that results in high-quality outputs
Reported CVEs, or been awarded for bug bounty vulnerabilities
Experience with empirical ML research projects
Experience with deep learning frameworks and experiment management

Benefits

Access to benefits (benefits vary by country)
Funding for compute (~$15k/month) and other research expenses
Optional equity donation matching
Generous vacation and parental leave
Flexible working hours

Company

Anthropic

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Anthropic is an AI research company that focuses on the safety and alignment of AI systems with human values.
dateFounded in 2021
location
San Francisco, California, USA
people-size501-1000 employees
web-link
https://www.anthropic.com

Funding

Current Stage
Late Stage
Total Funding
$33.74B
Key Investors
Lightspeed Venture PartnersGoogleAmazon
2025-09-02Series F· $13B
2025-05-16Debt Financing· $2.5B
2025-03-03Series E· $3.5B

Leadership Team

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Dario Amodei
CEO & Co-Founder
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Daniela Amodei
President and co-founder
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Recent News

Techmeme
Sources: Sequoia is planning a big investment in Anthropic, joining a round led by GIC and Coatue, which are investing $1.5B each; Anthropic aims to raise $25B+ (George Hammond/Financial Times)
2026-01-19
Techmeme
Similarweb: Claude's web audience more than doubled in December 2025 compared with December 2024, as many coders spent their holiday breaks on a "Claude bender" (Bradley Olson/Wall Street Journal)
2026-01-19
PYMNTS.com
Sequoia Seeks Part in Anthropic’s $25 Billion Funding Round
2026-01-19
Company data provided by crunchbase