Hybrid Staff Security Engineer for AI Platform

WRITER; San Francisco (CA); Hybrid; USD 183,000 - 240,000; Full time

Benefits offered by this job

Generous PTO

Medical, dental, and vision coverage

Parental leave

Stock options

401k

Job summary

WRITER is seeking a Staff Security Engineer to embed security into the AI platform, partnering with engineering to threat-model architectures and build automated controls that scale. You’ll secure training data pipelines, AI agents, and APIs, while enabling velocity and trust in a fast-growing enterprise environment.

You will lead security assessments, implement SAST/DAST in CI/CD, and champion secure coding standards.

Qualifications

• 4+ years of hands-on application security engineering in large-scale production systems
• Experience securing AI/ML powered platforms and data pipelines

Responsibilities

• Embed security into AI platform architecture desde day one
• Lead threat modeling for new features and secure architectures
• Manage and evolve the application security program (SAST/DAST in CI/CD)
• Perform secure coding reviews and build reusable security patterns
• Lead security assessments and penetration testing across applications, services, and APIs
• Design controls for data pipelines, model training environments, and customer agents

Skills

Threat modeling

Application security

Secure coding

AI security

Security engineering

Penetration testing

Automation

Tools

SAST

DAST

CI/CD security

Vulnerability management

Job description

WRITER is seeking a Staff Security Engineer to embed security into the AI platform, partnering with engineering to threat-model architectures and build automated controls that scale. You’ll secure training data pipelines, AI agents, and APIs, while enabling velocity and trust in a fast-growing enterprise environment.

You will lead security assessments, implement SAST/DAST in CI/CD, and champion secure coding standards.