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Lambda

Senior Security Engineer – Detection & Response

Lambda

. Design, build, and maintain detection rules, signatures, and behavioral analytics across cloud, bare-metal, and internal infrastructure .

Posted 11/3/2026full-timeUnited StatesSenior💰 $266,000 - $395,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in security engineering with a focus on detection engineering, threat hunting, and digital forensics. Proficient in developing automated detection workflows and conducting forensic investigations in cloud environments.

Highest-signal resume keywords
Detection EngineeringThreat HuntingDigital Forensics and Incident ResponseCloud Infrastructure SecurityProgramming/Scripting Proficiency

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Detection Rules WritingForensic InvestigationsCloud Security (AWS/GCP)Linux System InternalsContainer Runtime SecurityNetwork TelemetryDetection Logic DevelopmentAutomated Response CapabilitiesIncident ResponseBehavioral Analytics
Soft Skills
Technical CommunicationAbility to Thrive in High-Ambiguity Environments
Tools & Technologies
SIEMYARASigmaFalcoEDR
Industry Keywords
Threat ActorsZero-Day VulnerabilitiesMulti-CloudAI WorkloadsSOAR Orchestration

Tech Stack

Tools & technologies
AWSCloudGoogle Cloud PlatformLinuxPythonRustGo

About the role

Key responsibilities & impact
  • Design, build, and maintain detection rules, signatures, and behavioral analytics across cloud, bare-metal, and internal infrastructure
  • Conduct proactive threat hunting to uncover threat actors, attack vectors, and zero-day vulnerabilities across multi-cloud and AI workloads
  • Develop detection logic and playbooks as code to reduce manual triage and improve detection and response times
  • Build AI-powered detection and investigation workflows using internal LLM infrastructure
  • Lead technical incident response investigations, forensic analysis, root-cause identification, and containment
  • Architect automated response capabilities and SOAR orchestration pipelines
  • Partner with Platform and Infrastructure engineering teams to harden systems and ensure telemetry coverage
  • Participate in an engineering on-call rotation for 24/7 operational readiness
  • Conduct post-incident reviews and drive root-cause remediation
  • Mentor junior and mid-level security engineers

Requirements

What you’ll need
  • 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) 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
  • Ability to thrive in high-ambiguity environments and execute at startup pace
  • Willingness and ability to work from the San Francisco, San Jose, or Bellevue office 4 days per week
  • Ability to work in the United States; sponsorship may be available

Benefits

Comp & perks
  • 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
  • Designated work from home day currently Tuesday