Senior Security Engineer, AI Cloud Detection & Response

Lambda; San Jose (CA); On-site; USD 266,000 - 395,000; Full time

Benefits offered by this job

Health/Dental/Vision

Wellness stipend

401k match

Flexible PTO

Job summary

Lambda is seeking a Senior Security Engineer to strengthen detection and response across multi-cloud and bare-metal environments. You will design robust detection rules, automate incident workflows, and advance AI-powered security capabilities built on our own infrastructure.

You will lead threat hunting, incident investigations, and architecture of automated responses while mentoring junior engineers and improving telemetry coverage for all services.

Qualifications

• 5+ years of hands-on security engineering specializing in detection engineering, threat hunting, or DFIR.
• Strong programming/scripting proficiency (e.g., Python, Go, Rust, or Bash).
• Deep technical knowledge of cloud infrastructure security (AWS/GCP), Linux system internals, container runtime security, and network telemetry.
• Clear understanding of the unique requirements of securing a cloud infrastructure provider.
• Proven experience writing detection rules (SIEM, YARA, Sigma, Falco, or EDR queries) and managing detections through software development best practices.

Responsibilities

• Design, build, and maintain robust detection rules, signatures, and behavioral analytics across Lambda's cloud, bare-metal, and internal infrastructure
• Conduct proactive threat hunting operations to uncover hidden threat actors, novel attack vectors, and zero-day vulnerabilities across multi-cloud and AI workloads
• Develop custom detection logic and playbooks as code, eliminating manual triage toil and reducing time-to-detect and time-to-respond
• Pioneer AI-powered detection and investigation workflows leveraging our internal LLM infrastructure to automate log analysis and threat intelligence context

Skills

Security engineering

Threat hunting

Detection engineering

DFIR

Python/Go/Rust/Bash scripting

Cloud security (AWS/GCP)

Linux internals

Container security

SIEM/YARA/Sigma/Falco/EDR queries

Incident response coordination

Tools

AWS

GCP

Linux

eBPF

SOAR

LLM infra

Job description

Lambda is seeking a Senior Security Engineer to strengthen detection and response across multi-cloud and bare-metal environments. You will design robust detection rules, automate incident workflows, and advance AI-powered security capabilities built on our own infrastructure.

You will lead threat hunting, incident investigations, and architecture of automated responses while mentoring junior engineers and improving telemetry coverage for all services.