CareerPlan

Platform Security Engineer

San FranciscoFull-time2026-10-13 → 2026-11-10

Core

Hardening AWS infrastructure and codebase security, leading incident investigations, and building security tooling for an AI-powered user interview platform.

Role type

Senior IC Platform Security Engineer (Cloud & App)

Builds

Secure AWS infrastructure, Terraform code, application architecture, and security automation tooling.

Domain

SaaS / AI Research Platform / Cloud Security

Deliverable

production ML models | infrastructure

Required skills

AWS security, Terraform/IaC, application security, incident investigation, SIEM detection engineering, security automation, threat modeling, penetration testing coordination, secrets management, identity and access management.

Preferred skills

SANS FOR509 certification, purple teaming, technical project management, cloud forensics.

Technologies

AWS, Terraform, SIEM, Python/Scripting

Responsibilities

Identify and remediate security risks across AWS infrastructure and application code; partner with engineering to design secure systems; lead technical investigations during security and privacy incidents; tune SIEM detection rules and improve telemetry; develop security tooling and automation; coordinate external penetration tests.

Seniority

Senior, hands-on IC