Staff Security Engineer - Platform & AI Security Leader

VulnU; San Francisco (CA); On-site; USD 230,000 - 300,000; Full time

Benefits offered by this job

Paid parental leave

Equity

Job summary

Mixpanel is seeking a Staff Security Engineer to partner with product and engineering teams to design, review, and ship security features across the platform. You will drive threat modelling, implement SSO/SCIM, audit logging, encryption, and key management, and lead security improvements across cloud, Kubernetes, and CI/CD pipelines.

You will mentor engineers, define secure defaults, and ensure best practices for AI-enabled product features, with a hands-on focus on remediation and risk

Qualifications

• Deep expertise in threat modeling and secure design review across product lifecycles.
• Strong background in security architecture and engineering governance.
• Experience collaborating with product and engineering teams to ship security features.

Responsibilities

• Threat model AI-powered product features and workflows; define guardrails.
• Design and implement security features (SSO, SCIM, audit logging, encryption, key management).
• Harden SDLC, CI/CD pipelines, and GitHub org security including access controls and secret management.
• Define and drive security baselines for cloud and Kubernetes environments; manage workload identity and RBAC.

Skills

Threat modeling

Secure design review

Security architecture

Cross-team collaboration

Tools

HashiCorp Vault

AWS

GCP

Terraform

GitHub Actions

Secret scanning

OIDC

SBOMs

Kubernetes

Job description

Mixpanel is seeking a Staff Security Engineer to partner with product and engineering teams to design, review, and ship security features across the platform. You will drive threat modelling, implement SSO/SCIM, audit logging, encryption, and key management, and lead security improvements across cloud, Kubernetes, and CI/CD pipelines.

You will mentor engineers, define secure defaults, and ensure best practices for AI-enabled product features, with a hands-on focus on remediation and risk