Senior Security Engineer - Detection & Response

The role

You will serve as a hands-on technical expert on the Detection & Response team. You will focus on automation, threat hunting, detection engineering, and incident response capability building to protect AI cloud infrastructure.

What you will do

• Design, build, and maintain detection rules, signatures, and behavioral analytics
• Conduct proactive threat hunting operations across multi-cloud and AI workloads
• Develop custom detection logic and playbooks as code
• Pioneer AI-powered detection and investigation workflows using internal LLM infrastructure
• Lead technical incident response investigations and forensic analysis
• Architect automated response capabilities and orchestration pipelines
• Partner with Platform and Infrastructure engineering teams to harden systems
• Participate in an engineering on-call rotation
• Conduct post-incident reviews to drive root-cause remediation
• Mentor junior and mid-level security engineers

Required qualifications

• 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)
• 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)
• Hands-on experience conducting forensic investigations and triaging complex, multi-stage attacks across cloud environments
• Strong technical communication skills

Nice to have

• Experience building D&R programs at AI/ML companies
• Track record using AI/ML for security operations automation
• Background scaling security during hypergrowth (10x growth phases)
• Experience with eBPF, kernel-level telemetry, or specialized bare-metal host security tools
• Experience with both build and buy decisions for security tooling
• Experience driving or providing significant evidence for compliance audits, such as SOC 2, ISO 27001, PCI-DSS, HIPAA/HITECH, or FedRAMP

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

About the company

Lambda is a leader in AI cloud infrastructure serving tens of thousands of customers. Founded in 2012, the company has 500+ employees and is growing fast.