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About the Role
As a Senior Security Engineer on our Detection Engineering team, you will build the detections that catch malicious activity across the Fastly environment and drive the investigations that follow. In this role, you will design and build AI agents and automations to support detection and response, develop advanced detections, perform threat hunts, and lead security investigations.
Responsibilities
- Develop detections and other analytics to identify threats across cloud, container, corporate, and edge environments.
- Lead security investigations, analyzing complex log sources and telemetry to determine root cause.
- Build AI agents and automations that speed up detection development, triage, and incident response.
- Research, evaluate, implement, and maintain a variety of custom and commercial security tools, such as EDR, SOAR, and SIEM.
- Conduct threat hunts to discover unknown malicious activity across our environment.
- Participate in our on-call rotations.
Requirements
- Direct experience integrating AI tools, LLMs, and automated agents into security operations workflows to accelerate alert triage, contextualize telemetry, and speed up incident response.
- Experience developing, testing, and tuning detections using a detections-as-code approach, including version control and CI/CD.
- Proven track record of leading complex security incident investigations, with deep expertise in log analysis, real-time containment, and collecting forensic artifacts.
- Strong coding skills in Python or another general-purpose language, with experience building automations for detection and response.
- In-depth knowledge of major public cloud platforms (e.g., AWS or GCP) and Linux environments, including containers (e.g., Kubernetes), along with their native logging and security tooling.
- Solid grasp of attacker tactics and techniques, with experience in threat hunting or threat modeling to guide detection priorities.
- Familiarity with content delivery networks (CDN), edge cloud platforms, or Fastly products and services.
- Experience designing and maintaining scalable ETL processes and data pipelines to ingest, transform, and normalize security telemetry for large-scale analysis.
- Experience deploying AI agents in production to detect threats, enrich alerts, and automate response.
Skills
- Python
- AI
- LLMs
- EDR
- SOAR
- SIEM
- AWS
- GCP
- Kubernetes
- ETL
Location
- New York, NY
- San Francisco, CA
- Denver, CO
- US (Remote)
Work Type
- Hybrid
- Remote
Experience Level
- Senior
Salary/Compensations
- $167,790 to $201,348
Benefits
- Medical insurance
- Dental insurance
- Vision insurance
- Family planning support
- Mental health support
- Employee Assistance Program
- Life insurance
- Disability insurance
- Accident insurance
- Flexible Vacation policy
- 18 days of accrued paid sick leave
- 401(k) with company match
- Employee Stock Purchase Program
- 12 paid local holidays
- 12 paid company wellness days
About the Company
- Fastly helps people stay better connected with the things they love. Fastly’s edge cloud platform enables customers to create great digital experiences quickly, securely, and reliably by processing, serving, and securing our customers’ applications as close to their end-users as possible — at the edge of the Internet. The platform is designed to take advantage of the modern internet, to be programmable, and to support agile software development. Fastly’s customers include many of the world’s most prominent companies, including GitHub, Yelp, Paramount, and JetBlue.
- We have a huge impact. Fastly is a small company with a big reach. Not only do our customers have a tremendous user base, but we also support a growing number of open source projects and initiatives.
- We value diversity. Growing and maintaining our inclusive and diverse team matters to us. We are committed to being a company where our employees feel comfortable bringing their authentic selves to work and have the ability to be successful -- every day.
- We are passionate. Fastly is chock full of passionate people and we’re not ‘one size fits all’. Fastly employs authors, pilots, skiers, parents (of humans and animals), makeup geeks, coffee connoisseurs, and more. We love employees for who they are and what they are passionate about.
Equal Opportunity
- Pursuant to the San Francisco Fair Chance Ordinance and the Los Angeles Fair Chance Initiative for Hiring Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
- Fastly is committed to ensuring equal employment opportunity and to providing employees with a safe and welcoming work environment free of discrimination and harassment. Our employment decisions are based on business needs, job requirements and individual qualifications. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, family or parental status, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances.
- Consistent with the Americans with Disabilities Act (ADA) and federal or state disability laws, Fastly will provide reasonable accommodations for applicants and employees with disabilities. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact your Recruiter, or the Fastly Employee Relations team at candidateaccommodations@fastly.com or 501-287-4901.