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Founding Security Engineer (AI Security) | San Francisco

Aspiron Search • United State
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Join a cutting-edge AI security startup as their first security hire, shaping company-wide security policies, incident response, and cloud infrastructure while advancing adversarial AI testing. This hands-on role demands deep AWS/Terraform expertise, senior security engineering experience, and a proactive mindset to build and scale security from the ground up.

Key Highlights
First security hire at a high-growth AI security startup backed by frontier labs and Fortune 500 clients
Full ownership of security strategy, policies, incident response, and cloud security (AWS/Terraform/IAM)
Opportunity to pioneer adversarial AI testing (prompt injection, agent attacks) and expand into broader security domains
Key Responsibilities
Design and implement robust AWS security foundations, including Terraform and IAM configurations
Review new AI features with engineering teams before deployment to ensure security compliance
Develop and enforce company-wide security policies, incident response protocols, and governance frameworks
Lead enterprise customer security reviews in collaboration with the sales team
Set and execute the security roadmap, ensuring continuous improvement of the security posture
Conduct adversarial testing of AI agents, including prompt injection and agent-to-agent attack scenarios
Oversee document sharing, network security, and all aspects of company-wide security infrastructure
Technical Skills Required
Amazon Web Services Terraform Security Engineering
Benefits & Perks
Base salary + significant equity (top-market compensation)
Health, dental, and vision coverage for employees and dependents
Daily meals provided (lunch and dinner)
Visa sponsorship and relocation support
Nice to Have
Experience with Google Cloud Platform (GCP)
Background in competitive programming (CTFs), bug bounties, or vulnerability research
Prior startup experience with broad ownership of security initiatives

Job Description

Founding Security Engineer | AI Security | San Francisco (on-site)

I'm retained with a seriously well-funded AI security company, build by a team fresh out of frontier labs and working with the very same labs now and across fortune 500s.

They're looking for their first security hire - full remit and a bar set right at the top of the market.

Day to day, you’ll be:

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