Senior Product Security Engineer — AI-Driven Defense

Quiet Capital; San Francisco (CA); Remote; USD 175,000 - 200,000; Full time

Benefits offered by this job

Meaningful equity

Remote‑first culture

Quarterly offsites

Flexible PTO

Health benefits and parental leave

Job summary

Doppel is building the future of social engineering defense with an AI-native platform. We seek a Product Security Engineer to embed security into engineering workflows, conduct architecture reviews, and mature our security tooling and guardrails across Google Cloud Platform.

You will partner with engineering teams to scale security programs, lead vulnerability management, and enable secure AI-assisted development.

Qualifications

• 5–7 years of experience in product security, cloud security engineering, software development or related field.
• Practical experience applying AI and agentic workflows to accelerate security reviews, vulnerability triage, and remediation.
• Strong knowledge of Google Cloud Platform (GCP) services and security best practices.
• Hands-on experience with penetration testing coordination, threat modeling, and risk assessment.
• Proficiency in Python and cloud-native programming or scripting for security automation and IaC.
• Familiarity with designing least-privilege IAM and conducting access reviews.
• Ability to communicate security risks clearly to engineering and leadership.

Responsibilities

• Partner with product and engineering teams on architecture reviews and threat modeling.
• Evaluate AI-assisted security workflows to increase coverage and speed up reviews and remediation.
• Improve and maintain security tooling and CI/CD safeguards.
• Strengthen security controls throughout the SDLC and by using IaC for guardrails.
• Serve as a GCP security SME advising on networking, data protection, and monitoring.
• Implement least-privilege IAM and durable security guardrails through policy-as-code.
• Drive vulnerability management from triage through remediation with SLAs.
• Coordinate penetration testing engagements and remediation and retesting.
• Shape and scale the security program by identifying gaps and communicating progress to leadership.
• Provide practical documentation and training to enable secure development.

Skills

Product security

AI security workflows

GCP security

Penetration testing

Python / IaC scripting

IAM – least privilege

Security communication

Tools

ASPM platform

Job description

Doppel is building the future of social engineering defense with an AI-native platform. We seek a Product Security Engineer to embed security into engineering workflows, conduct architecture reviews, and mature our security tooling and guardrails across Google Cloud Platform.

You will partner with engineering teams to scale security programs, lead vulnerability management, and enable secure AI-assisted development.