Senior Information Security Engineer (Detection, Automation & AI)

Foster City, CAInformation Technology and Applications – Information Security /Full-time /HybridWe are seeking a Senior Information Security Engineer who views security operations through an engineering lens. In this role, you won't just stare at a pane of glass watching alerts roll in; you will be the architect behind how those alerts are generated, triaged, and automated. You will lead our detection engineering efforts, build robust automation pipelines using SOAR and APIs, and pioneer the integration of Large Language Models (LLMs) to supercharge our incident response and alert-triage workflows. If you love Python, Linux, AWS, and treating security operations as code, this role is for you.In This Role, You Will...Detection Engineering & SIEM OperationsDesign, build, test, and maintain high-fidelity detection logic within our SIEM platform.Map detections to the MITRE ATT&CK framework to ensure comprehensive visibility across threat vectors.Continuously tune alerts to minimize false positives and reduce alert fatigue for the operations team.Automation & Tooling (SOAR & APIs)Architect and implement automated playbooks within our SOAR platform to drive down Mean Time to Respond (MTTR).Develop custom Python scripts, tools, and integrations leveraging REST APIs to connect disparate security tools and data sources.Treat infrastructure and configuration as code, ensuring automated deployments and consistency.Next-Gen Triage & AI IntegrationDesign and implement workflows that leverage LLMs (Large Language Models) to automatically analyze, summarize, and add context to incoming security alerts.Build prompt engineering pipelines or agentic workflows that assist analysts during active investigations, drastically cutting down initial triage time.Incident Response & Cloud InfrastructureAct as a senior escalation point for security incidents, guiding the team through containment, eradication, and recovery according to established Incident Response procedures.Monitor and secure workloads across AWS and on-premise environments with various operating systems.Conduct post-incident reviews to identify root causes and build automated preventions/detections to ensure the same incident doesn't happen twice.Qualifications8+ years of dedicated experience in Information Security, Security Operations, or DevSecOps engineering roles.Deep, hands-on experience with either Splunk (SPL, Enterprise Security) or ElasticSIEM (ES|QL, KQL, Kibana) for log analysis and detection creation.Strong proficiency in Python and a proven track record of building security tools, scripts, and automation pipelines via APIs.Proven experience designing and maintaining automated playbooks in a modern SOAR platform (e.g., Cortex XSOAR, Tines, etc.)Practical experience (or highly advanced personal projects) utilizing LLM APIs (e.g., OpenAI, Anthropic, AWS Bedrock) to ingest, process, or summarize textual data—specifically applied to security logs or triage workflows.Solid understanding of core AWS security services (GuardDuty, CloudTrail, IAM, VPC Flow Logs).Strong familiarity with industry-standard Incident Response lifecycles (NIST SP 800-61, SANS PICERL). Experience as an Incident Commander, Incident Handler strongly desired.Bonus Qualifications Certifications such as CISSP, GCIA, GCIH, or AWS Certified Security - Specialty.Experience with Infrastructure as Code (IaC) tools like Terraform.Contributions to the open-source security community (tools, Sigma rules, etc.).$174,000 - $237,000 a yearBase Salary RangeThere are three major components to compensation for this position: salary, Amazon Restricted Stock Units (RSUs), and Zoox Stock Appreciation Rights. A sign-on bonus may be offered as part of the compensation package. The listed range applies only to the base salary. Compensation will vary based on geographic location and level. Leveling, as well as positioning within a level, is determined by a range of factors, including, but not limited to, a candidate's relevant years of experience, domain knowledge, and interview performance. The salary range listed in this posting is representative of the range of levels Zoox is considering for this position.Zoox also offers a comprehensive package of benefits, including paid time off (e.g. sick leave, vacation, bereavement), unpaid time off, Zoox Stock Appreciation Rights, Amazon RSUs, health insurance, long-term care insurance, long-term and short-term disability insurance, and life insurance.About ZooxZoox is developing the first ground-up, fully autonomous vehicle fleet and the supporting ecosystem required to bring this technology to market. Sitting at the intersection of robotics, machine learning, and design, Zoox aims to provide the next generation of mobility-as-a-service in urban environments. We’re looking for top talent that shares our passion and wants to be part of a fast-moving and highly execution-oriented team.Follow us on LinkedInAccommodationsIf you need an accommodation to participate in the application or interview process please reach out to [email protected] or your assigned recruiter.A Final Note:You do not need to match every listed expectation to apply for this position. Here at Zoox, we know that diverse perspectives foster the innovation we need to be successful, and we are committed to building a team that encompasses a variety of backgrounds, experiences, and skills.We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.