Staff Security Engineer — AI & Product Security Leader

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

Benefits offered by this job

Medical, Vision, Dental

Vacation policy

Parental leave

401(k) benefits

Job summary

Mixpanel, Inc. is hiring a Staff Security Engineer to partner with product and engineering teams to design and run secure systems. You will define security for AI adoption, harden pipelines, and deliver platform-level protections across design, code, and deployments.

This hands-on role requires threat modeling, security feature delivery (SSO, auditing, encryption), and governance of secrets and CI/CD security. You will mentor engineers and drive secure defaults across the org.

Qualifications

• Over a decade of security engineering, with product or infrastructure focus.
• Experience shipping security features or platform changes with product/engineering teams.
• Deep understanding of the SDLC and hardening at each stage.
• Hands-on GitHub org security: SSO, access, reviews, secret scanning, tokens.
• Experience designing and rolling out secrets management and rotation.
• Expertise in authentication, authorization, audit logging, and encryption.
• Cloud security with IAM and network controls (GCP/AWS).
• Kubernetes security: RBAC, policies, admission controllers, image security.
• Security for AI/LLM systems and governance of AI adoption.
• Strong cross-team influence and pragmatic risk tradeoffs.

Responsibilities

• Partner with product and engineering from the start to threat model and set security requirements.
• Design and implement security features such as SSO, SCIM, fine-grained access, and logging.
• Lead strategic risk remediation, prioritizing by impact and driving multi-quarter efforts.
• Define security baselines for cloud and Kubernetes environments and enforce them.
• Set the security approach for AI usage and guardrails for AI tools and vendors.
• Own SDLC security configuration across GitHub and CI/CD pipelines.
• Centralize and manage secrets, ensuring rotation and minimized exposure.
• Build trusted relationships with leadership and align security work with roadmaps.
• Mentor engineers and scale security reviews using AI tooling.

Skills

10+ years experience

Product security

Infrastructure security

Security features

GitHub security

Secrets management

Kubernetes security

AI security

Cross-team leadership

Threat modeling

Job description

Mixpanel, Inc. is hiring a Staff Security Engineer to partner with product and engineering teams to design and run secure systems. You will define security for AI adoption, harden pipelines, and deliver platform-level protections across design, code, and deployments.

This hands-on role requires threat modeling, security feature delivery (SSO, auditing, encryption), and governance of secrets and CI/CD security. You will mentor engineers and drive secure defaults across the org.