Senior AI Security Engineer & Threat Modeling Leader

Smartsheet; United States; Remote; USD 205,000 - 258,000; Full time

Benefits offered by this job

Medical/dental coverage

401k match

Monthly stipend

Flexible time away

Paid holidays

Parental leave

Volunteer day

Udemy courses

Job summary

Smartsheet is seeking a Principal Security Engineer to own the highest-leverage security work across a modern SaaS platform. You will lead threat modeling and product security reviews, define AI security risk methodology, and set SDLC security standards.

This senior IC role reports to the Manager, Application Security and can be Bellevue-based or fully remote within the US. You will drive security requirements into design, influence architecture decisions, and mentor teammates to scale security

Qualifications

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Responsibilities

• Lead threat modeling and product security reviews for high-risk features.
• Define AI security methodology across product, engineering, and third-party AI integrations.
• Shape AppSec technical direction: secure coding guidelines, CI/CD security strategy, and toolchain across SAST, SCA, secrets, IaC.
• Mentor AppSec engineers and align security requirements with design-phase gates.

Skills

Threat modeling

AppSec leadership

AI security

Architecture reviews

Mentoring

SAST/SCA/IaC

Communication

Cross-functional influence

US work eligibility

Programming languages

Tools

GitLab CI/CD

AI tooling

LLM-integrated review workflows

Job description

Smartsheet is seeking a Principal Security Engineer to own the highest-leverage security work across a modern SaaS platform. You will lead threat modeling and product security reviews, define AI security risk methodology, and set SDLC security standards.

This senior IC role reports to the Manager, Application Security and can be Bellevue-based or fully remote within the US. You will drive security requirements into design, influence architecture decisions, and mentor teammates to scale security