Senior Security Engineer
Posted 2 days ago
About the Role
This Senior Security Engineer role sits at the heart of a fast-scaling enterprise AI platform, owning application security end-to-end. You will partner directly with product engineering teams to embed security across the full software development lifecycle, protecting sensitive customer data at scale. It is a high-ownership position that is well suited to a strong software engineer moving into security or an experienced AppSec engineer who thrives in a high-velocity environment.
What You'll Do
Design and implement application security controls across a multi-tenant AI agent platform, including secure coding practices, threat modeling, and vulnerability management.
Partner with product engineering to integrate security from design through deployment throughout the SDLC.
Build security tooling and automation that lets developers ship quickly while surfacing and remediating vulnerabilities fast.
Lead security code reviews and architecture assessments for new features, with particular focus on AI model integration points and customer data handling.
Respond to security incidents involving application vulnerabilities and drive post-incident improvements.
What We're Looking For
4 or more years of combined software engineering and security experience, with at least 3 years at a hyper-growth or VC-backed company.
Hands-on infrastructure or application-level security engineering experience; a pure compliance or GRC background is not a fit.
Strong CS fundamentals, ideally from a rigorous undergraduate program.
Practical experience with GCP or AWS cloud security.
Familiarity with security tooling such as Semgrep, CodeQL, SAST, DAST, IAST, and container security practices.
Comfort working across Python codebases, Kubernetes environments, and CI/CD pipelines.
Experience as an early or founding security engineer at a startup is a plus.
Demonstrated rapid career progression or early promotion is a plus.
Compensation & Benefits
Base salary range: $200,000 to $330,000 USD annually, plus equity. Visa sponsorship is not available for this role.
Location
On-site in San Francisco, California, USA, five days per week.
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