Senior AI Security Engineer: Threat Modeling & SDLC

Smartsheet; Bellevue (WA); On-site; USD 180,000 - 240,000; Full time

Job summary

Smartsheet is seeking a Principal Security Engineer to own the highest-leverage application security work across a modern SaaS platform, leading threat modeling and product security reviews.

This senior IC reports to the Manager, Application Security and can be based in Bellevue, WA or remotely from anywhere in the US where Smartsheet is a registered employer. Expect broad influence across architecture decisions and security standards.

Qualifications

• 10+ years in application security with leadership.
• Experience owning threat modeling programs at scale.
• Hands-on with AI-integrated apps and LLM security.
• Ability to influence architecture decisions with data.

Responsibilities

• Lead threat modeling and security reviews.
• Define AI security methodology across practice.
• Shape SDLC controls for secure coding and pipelines.
• Mentor AppSec engineers and drive capability.
• Collaborate with product and engineering leadership.

Skills

Threat modeling

Product security

AppSec engineering

Security reviews

AI security

Security leadership

Tools

SAST

SCA

IaC scanning

Job description

Smartsheet is seeking a Principal Security Engineer to own the highest-leverage application security work across a modern SaaS platform, leading threat modeling and product security reviews.

This senior IC reports to the Manager, Application Security and can be based in Bellevue, WA or remotely from anywhere in the US where Smartsheet is a registered employer. Expect broad influence across architecture decisions and security standards.