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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.

Senior Security Engineer

As a Senior Engineer on our Security Engineering team you will help ensure the security of one of the biggest online platforms in the world, handling massive amounts of traffic at very low latency. We value versatile engineers who enjoy being deeply involved in all aspects of building and securing our platform.

We are looking for a talented engineer with an interest in designing and integrating new and existing security controls on the Fastly platform. You will help evolve the security monitoring and response capabilities that keep our services secure.

You will be supported by our Security Operations team, where you can learn and develop. You’ll make sure our customers benefit from services built to the highest security standards in the industry.

What You’ll Do:

  • Lead the design and implementation of technical security controls at scale to secure production systems.
  • Partner with internal security teams to enhance Fastly's ability to detect, analyze and prevent malicious activity.
  • Identify and generate the telemetry (logs, alerts, etc.) used to detect malicious activity.
  • Develop and improve tooling to integrate data to increase our security monitoring capabilities.
  • Maintain our existing security tools and platforms through their lifecycle.
  • Identify current manual processes and look for ways to automate them and reduce toil on the team.
  • Proactively looks for ways to improve the overall security posture of assets at Fastly.
  • Proactively contribute to evolving programs and processes.
  • Participate in our on-call rotations and SIRT process when required.

What We’re Looking For: 

  • Extensive experience deploying and operating services in a Linux server environment. Examples of systems we currently deploy and operate are osquery, Falco, and custom built software.
  • Proficiency in one or more general purpose programming languages such as Python, Ruby, Go, or Rust.
  • Experience building and managing infrastructure using tools such as Ansible, Chef, Terraform, or Kubernetes.
  • Experience instrumenting systems for metrics and observability with tools such as Prometheus, Grafana, and Splunk.
  • Working knowledge of at least one major public cloud and infrastructure e.g. Amazon Web Services (AWS) or Google Cloud Platform (GCP).
  • Knowledge of security vulnerabilities, attacks, and exploitation techniques.
  • A history of making smart trade offs to deliver high quality and effective work on schedule.

We’ll be super impressed if you have experience in any of these:

  • In-depth knowledge of the security controls of least one major public cloud and infrastructure (e.g., Amazon Web Services, Google Cloud Platform).

Work Hours:

  • This position will require you to be available during core business hours. 

Work Location(s) & Travel Requirements:

This position is open to the following preferred office locations:

  • New York, NY
  • Los Angeles, CA
  • San Francisco, CA
  • Denver, CO

Fastly currently embraces a largely hybrid model for most roles which allows employees flexibility to split their time between the office and home.


The estimated salary range for this position is $155,370 to $194,210. 

Starting salary may vary based on permissible, non-discriminatory factors such as experience, skills, qualifications, and location.

This role may be eligible to participate in Fastly’s equity and discretionary bonus programs.


We care about you. Fastly works hard to create a positive environment for our employees, and we think your life outside of work is important too. We support our teams with great benefits that start on the first day of your employment with Fastly. Curious about our offerings? 

We offer a comprehensive benefits package including medical, dental, and vision insurance. Family planning, mental health support along with Employee Assistance Program, Insurance (Life, Disability, and Accident), an open vacation policy and up to 18 days of accrued paid sick leave are there to help support our employees. We also offer 401(k) (including company match) and an Employee Stock Purchase Program. For 2023, we offer 10 paid local holidays, 11 paid company wellness days. 

Why Fastly?

  • 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. Outside of code, employees are encouraged to share causes close to their heart with others so we can help lend a supportive hand.

  • We love distributed teams. Fastly’s home-base is in San Francisco, but we have multiple offices and employees sprinkled around the globe. As a new hire, you will be able to attend our IN-PERSON new hire orientation in our San Francisco office! It is an exciting week-long experience that we offer to new employees to build connections with colleagues across Fastly, participate in hands-on learning opportunities, and immerse yourself in our culture firsthand. 

  • 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.

We’re always looking for humble, sharp, and creative folks to join the Fastly team. If you think you might be a fit please apply! A fully completed application and resume or CV are required when applying.

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 [email protected] or 501-287-4901. 

Fastly collects and processes personal data submitted by job applicants in accordance with our Privacy Policy. Please see our privacy notice for job applicants.


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