Senior Security Engineer - Detection Engineering

Fastly; San Francisco (CA); Remote; USD 181,000 - 218,000; Full time

Job summary

Fastly is seeking a Senior Security Engineer to join their Detection Engineering team. This role involves developing detections for malicious activity, supporting incident investigations, and enhancing security processes. Ideal candidates will have a strong background in security engineering and experience with cloud platforms and programming languages.

Benefits

Health insurance

Flexible vacation

401(k)

Employee stock purchase

Paid holidays

Qualifications

• Experience with Splunk for threat investigation.
• Knowledge of attacker TTPs and advanced threat investigation.
• Proficiency in programming languages like Python, Ruby, Go, or Rust.

Responsibilities

• Develop detections and analytics to identify threats across environments.
• Investigate potential security threats and support incident response.
• Research, evaluate, implement, and maintain security tools.

Skills

Threat investigation

Detection development

Data normalization

Programming (Python, Ruby, Go, Rust)

Cloud platforms (AWS, GCP)

Linux administration

Job description

Senior Security Engineer - Detection Engineering

Join to apply for the Senior Security Engineer - Detection Engineering role at Fastly.

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 Vimeo, Pinterest, The New York Times, and GitHub.

We're building a more trustworthy Internet. Come join us.

Posting Open Date: 2/21/25
Anticipated Posting Close Date: 4/21/25

Job posting may close early due to the volume of applicants.

Role Overview

As a Senior Security Engineer on our Detection Engineering team, you will develop detections to identify potentially malicious activity and support security incident investigations across the Fastly environment. We seek a candidate with foundations in security engineering, experience in incident response, and detection development. You will have the opportunity to mature our detection lifecycle, develop advanced detections, automate processes, and support security investigations.

Responsibilities

• Develop detections and analytics to identify threats across cloud, corporate, and edge environments.
• Investigate potential security threats and support incident response efforts.
• Research, evaluate, implement, and maintain security tools such as EDR, SOAR, and SIEM.
• Build custom tooling and automations to enhance detection and response processes.
• Maintain incident response playbooks and documentation.
• Conduct threat hunts to discover unknown malicious activities.
• Participate in on-call rotations.

Qualifications

• Experience with Splunk for threat investigation, detection development, and data normalization.
• Knowledge of attacker TTPs and advanced threat investigation.
• Proficiency in programming languages like Python, Ruby, Go, or Rust.
• Experience with cloud platforms such as AWS or GCP.
• Familiarity with security frameworks like MITRE ATT&CK and NIST CSF.
• Experience with Linux administration, system hardening, and intrusion techniques.

Preferred Skills

• Published research or speaking engagements on threat detection or incident response.
• Development of security automation tools.
• Experience with CI/CD pipelines for detection deployment.
• Knowledge of CDN, edge cloud platforms, or Fastly products.

Work Environment

This role requires availability during core business hours and participation in an on-call rotation. Location options include New York, NY; San Francisco, CA; Denver, CO; or remote within the US. The role may involve travel.

Compensation & Benefits

Salary range: $181,220 - $217,464, with potential participation in equity and bonus programs. Benefits include health insurance, family planning, mental health support, Employee Assistance Program, life and disability insurance, flexible vacation, paid sick leave, 401(k), employee stock purchase, and paid holidays.

Why Join Fastly?

• Impactful work with a large user base and support for open source projects.
• Distributed team culture with opportunities for in-person onboarding.
• Diversity and inclusion focus.
• Passionate and diverse employee community.

If you are interested, please apply with a complete application and resume. Fastly is an equal opportunity employer committed to diversity and inclusion.