Security Engineer (AI)

Location: On-site only in the San Francisco Bay Area or Singapore offices; relocation and visa support are available for strong full-time candidates to the US or Singapore.

Company

hirify.global builds infrastructure for creating reinforcement-learning training data and evaluations for frontier AI agents, along with a marketplace for selling them to frontier labs.

What you will do

• Own hirify.global’s security roadmap across product, cloud and infrastructure, corporate security, incident response, and compliance.
• Lead detection and incident response from initial signal through alerting, investigation, containment, and postmortem.
• Secure APIs, the platform, cloud infrastructure, and data systems through threat modeling, design and code reviews, authentication and authorization controls, and secrets management.
• Build monitoring, detection, and incident-response capabilities and convert incidents and emerging threats into lasting improvements.
• Own SOC 2 and customer trust, including control design, security questionnaires, policy management, vendor reviews, and audits.
• Partner with legal, commercial, engineering, and operations to enforce requirements for data access, provenance, permitted use, retention, deletion, isolation, and auditability.

Requirements

• Strong security engineering fundamentals with hands-on experience across areas such as infrastructure security, detection and response, and identity.
• Experience leading security incidents end-to-end, from detection and containment through root-cause analysis and follow-up engineering.
• Experience implementing or operating SOC 2 or a comparable security framework and translating requirements into technical and operational controls.
• High agency, sound judgment, and the ability to prioritize material risks and drive implementation under uncertainty.
• Strong communication skills for collaboration with founders, engineering, operations, legal, auditors, customers, and external partners.
• On-site availability in the San Francisco Bay Area or Singapore is required.

Nice to have

• Experience as an early security hire or building a security program from scratch at a fast-growing startup.
• Experience securing AI/ML infrastructure, agent execution environments, data platforms, developer tools, or systems that run untrusted code or process sensitive data.
• Experience protecting licensed, proprietary, or customer-provided data and operationalizing contractual access, use, retention, and deletion requirements.
• Experience finding CVEs, creating security tooling on GitHub, participating in bug bounty programs, or presenting and writing about security work.
• OSCP, AWS Security Specialist, OSWE, CKS, or GIAC hands-on certifications.

Culture & Benefits

• Join an approximately 25-person team of AI startup founders, researchers, and International Olympiad medalists.
• Work in a fast-growing, profitably scaling startup with eight-figure funding and strong revenue growth.
• Receive competitive compensation and full-time employment.
• US employees receive fully covered medical, dental, and vision insurance, plus 401(k) and commuter benefits.
• Office meals, a company-wide holiday break, PTO, paid holidays, Equinox membership, and access to AI development tools.

Hiring process

• Applications are reviewed on a rolling basis.
• The process includes two technical interviews followed by a two- to three-day work trial.