Founding Security Engineer — AI Platform

Raydar; San Francisco (CA); On-site; USD 230,000 - 300,000; Full time

Benefits offered by this job

Competitive equity

Visa sponsorship possible

Job summary

Raydar is seeking a senior security engineer to define and implement the security program for a fast-growing AI platform. You will architect the security stack across LLM pipelines and cloud infra, collaborate with engineering on threat modeling, and lead audits for enterprise customers.

You will report to the CTO as the first dedicated security hire, with opportunities to scale into a team as the company grows, including potential visa sponsorship for the right candidate.

Qualifications

• 7+ years of security engineering experience.
• Strong architecture, application, and cloud security judgment.
• Experience shaping a security program in fast-moving tech.
• Ability to work with engineers on remediation and secure design.

Responsibilities

• Define and build security architecture across LLM pipeline, cloud infrastructure, and customer products.
• Partner with engineering on threat modeling, vulnerability discovery, and secure design before ships.
• Harden multi-tenant isolation and support multi-region data residency with infra teams.
• Own penetration tests, vulnerability scans, remediation programs, and security policies.
• Manage internal device, access, identity, and security operations.
• Serve as technical authority for audits, customer questionnaires, and enterprise reviews.
• Build roadmap for durable security program scalable to Fortune 500 customers.
• Report directly to co-founder and CTO; role starts as senior IC with growth potential.
• Comfort operating independently while communicating clearly with technical leadership.

Skills

Security engineering

Cloud security

Application security

Threat modeling

Penetration testing

Vulnerability management

Communication with leadership

Education

Software engineering or Computer Science degree

Tools

TypeScript

IAM

Job description

Raydar is seeking a senior security engineer to define and implement the security program for a fast-growing AI platform. You will architect the security stack across LLM pipelines and cloud infra, collaborate with engineering on threat modeling, and lead audits for enterprise customers.

You will report to the CTO as the first dedicated security hire, with opportunities to scale into a team as the company grows, including potential visa sponsorship for the right candidate.