Senior Information Security Engineer (Detection, Automation & AI)

Location: Foster City, California, United States; hybrid workplace

Salary: $190,000–$228,000 per year base salary, plus potential RSUs, Zoox Stock Appreciation Rights, and sign-on bonus.

Company

Zoox develops fully autonomous vehicle fleets and the supporting mobility ecosystem, combining robotics, machine learning, and automotive technology.

What you will do

• Design, test, maintain, and tune high-fidelity SIEM detections mapped to the MITRE ATT&CK framework.
• Architect SOAR playbooks and Python-based integrations using REST APIs to automate security operations and reduce response times.
• Build LLM-powered workflows and agentic tools that analyze, summarize, and enrich security alerts for faster investigations.
• Serve as a senior escalation point during incidents, guiding containment, eradication, and recovery.
• Monitor and secure AWS and on-premise workloads across multiple operating systems.
• Lead post-incident reviews and convert root-cause findings into preventive controls and detections.

Requirements

• 8+ years of experience in information security, security operations, or DevSecOps engineering.
• Hands-on experience with Splunk or ElasticSIEM for log analysis and detection creation.
• Strong Python skills and experience building security tools, API integrations, and automation pipelines.
• Experience designing and maintaining playbooks in a modern SOAR platform.
• Practical experience using LLM APIs for security logs, alert analysis, or triage workflows.
• Strong knowledge of AWS security services and incident-response lifecycles, including experience as an incident commander or handler.

Nice to have

• CISSP, GCIA, GCIH, or AWS Certified Security – Specialty certification.
• Experience with Terraform or other Infrastructure as Code tools.
• Open-source security contributions, including tools or Sigma rules.

Culture & Benefits

• Hybrid work environment in Foster City.
• Paid time off, including sick leave, vacation, and bereavement leave, plus unpaid time off.
• Zoox Stock Appreciation Rights and Amazon Restricted Stock Units.
• Health, long-term care, disability, and life insurance.
• Fast-moving, execution-oriented environment focused on autonomous mobility.