Senior Security Engineer, Detection Engineering

Fastly

Senior Security Engineer developing detections to identify security incidents at Fastly. Collaborating with teams to enhance security measures and incident response processes.

Posted 5/7/2026full-timeRemote • California, Colorado, New York • 🇺🇸 United StatesSenior💰 $181,220 - $217,464 per yearWebsite

Tech Stack

Tools & technologies

AWSCloudGoogle Cloud PlatformPython

About the role

Key responsibilities & impact

Develop detections and other analytics to identify threats across cloud, corporate, and edge environments
Lead security investigations and perform deep-dive analysis across complex log sources and telemetry to identify root causes
Research, evaluate, implement, and maintain a variety of custom and commercial security tools, such as EDR, SOAR, and SIEM
Build custom tooling and automations to improve the detection lifecycle and security incident response
Develop and maintain incident response playbooks and other detection and response documentation
Conduct threat hunts to discover unknown malicious activity across our environment
Participate in our on-call rotations

Requirements

What you’ll need

Expertise in performing security incident investigations and conducting deep-dive log analysis across enterprise environments
Experience developing high-fidelity detections-as-code
Experience translating threat intelligence reports into actionable detection logic and threat hunts
Strong programming ability in one or more general purpose languages (preferably Python)
Experience in securing, identifying threats, and responding to incidents in one major public cloud infrastructure, such as Amazon Web Services (AWS) or Google Cloud Platform (GCP)

Benefits

Comp & perks

Medical, dental, and vision insurance
Family planning and mental health support
Employee Assistance Program
Life, Disability, and Accident Insurance
Flexible Vacation policy
Up to 18 days of accrued paid sick leave
401(k) including company match
Employee Stock Purchase Program
12 paid local holidays
12 paid company wellness days

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

security incident investigationslog analysisdetections-as-codethreat intelligenceprogrammingPythoncloud securityincident responseautomationthreat hunting