Senior Enterprise Secruity Engineer

Thumbtack
Ontario
Workplace: RemoteFull timeFunction: Solutions Engineering & Sales EngineeringExperience: 6+ yearsSkills: ["Problem-solving","Communication","Leadership"]

Security-focused role building and shaping the security landscape for Thumbtack's AI-enabled enterprise platforms. Lead threat modeling, guardrail design, and IAM hardening for non-human identities, while partnering across IT, Engineering, Legal, and Privacy to drive secure adoption of AI tools and integrations at scale.

Loading

Loading job details...

Preparing the role view and application actions.

FursaFursa
Thumbtack
Thumbtack
2 months ago

Senior Enterprise Secruity Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 18 hours agoStatus: Live

Job Summary

Security-focused role building and shaping the security landscape for Thumbtack's AI-enabled enterprise platforms. Lead threat modeling, guardrail design, and IAM hardening for non-human identities, while partnering across IT, Engineering, Legal, and Privacy to drive secure adoption of AI tools and integrations at scale.
Location: Ontario
Workplace: Remote
Employment Type: Full time
Job Function: Solutions Engineering & Sales Engineering

Key Responsibilities

  • •Provide security design and architecture reviews for enterprise applications, SaaS platforms, and internally developed systems.
  • •Develop threat models and propose technical guardrails for AI tooling and agentic systems, including non-human identities and safe defaults for agent behavior.
  • • Harden IAM across the enterprise, focusing on non-human and delegated identities and least-privilege lifecycle hygiene.
  • •Design and validate guardrails and reusable patterns for safe AI usage, including authentication, authorization, data access, and observability by design.
  • •Mentor engineers and partner teams, drive security improvements, and contribute to incident response and post-incident learning.

Key Requirements

  • •6+ years of experience in security engineering, enterprise security, application security, cloud security, or a related field.
Experience:6+ yearsEnterprise securitySecurity engineeringCloud security
Skills:Problem-solvingCommunicationLeadership
Tech Stack:IAMOAuthOIDCSAMLSCIMAWSGCPMCPSaaSAI

Company Brief

Thumbtack
Provides an online marketplace connecting local service professionals (home improvement, events, lessons, and more) with customers seeking quotes, reviews, and booking tools to hire vetted contractors and providers.
Industry: Online Marketplaces
Company Size: Enterprise (1,001+ employees)
Growth: Scaleup
Headquarters: San Francisco, United States
Founded: 2008
WebsiteLinkedIn