Senior Security Engineer - Detection & Response
Lambda — San Francisco, California, United States · Hybrid · Senior
Role description
Role Overview
Lambda Security protects valuable digital assets by securing every byte that powers breakthrough artificial intelligence. The Senior Security Engineer - Detection & Response will serve as a hands-on technical expert on the Detection & Response team, ensuring Lambda is the safest place to build with AI.
What You Will Do
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, develop custom detection logic and playbooks as code, and pioneer AI-powered detection and investigation workflows.
Why It Might Be a Fit
You will directly affect customers' trust in the safety of their data by implementing enterprise-grade detection capabilities, automating incident response workflows, and hardening our multi-cloud and bare metal infrastructure.
Requirements
- 5+ years of hands-on security engineering experience specializing in detection engineering, threat hunting, or digital forensics and incident response (DFIR)
- Strong programming/scripting proficiency (e.g., Python, Go, Rust, or Bash) with a track record of building automated security tools and pipelines
- 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
- Hands-on experience conducting forensic investigations and triaging complex, multi-stage attacks across cloud environments
- Strong technical communication skills with the ability to document complex vulnerabilities, incident post-mortems, and architectural designs clearly
Benefits
- Generous cash & equity compensation
- Health, dental, and vision coverage for you and your dependents
- Wellness and commuter stipends for select roles
- 401k Plan with 2% company match (USA employees)
- Flexible paid time off plan