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Customer Support Engineer

🏢 Fastly · 📍 Austin, TX; Chicago, IL; Denver, CO; Houston, TX; New York City, NY 💰 $90,650 - $108,780 / yr
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Position Summary & Responsibilities

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

Posting Open Date: 10/06/2026

Anticipated Posting Close Date*:  12/31/2026

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

Customer Support Engineer (CSE)

About the Customer Support Engineering Team

The Fastly Edge Cloud Platform powers the best of the internet. Our Customer Support Engineering (CSE) team, a key function within our broader Customer Experience organization, helps customers succeed through clear, timely, and transparent technical support.

This opening is for a Customer Support Engineer, Tier I, an entry-level position within our three-tiered team (Tier I, Tier II, and Tier III) that offers multiple opportunities for career development within Fastly. You will work closely with Tier II and III engineers, Engineering, and our customer-facing partner teams, and you will learn our issue management process end to end.

We are seeking a technical problem solver for customers using our delivery and Compute platforms. The role requires a strong understanding of internet protocols and the ability to explain clearly how traffic behaves at the network edge. You will focus on delivery configuration (VCL), caching, HTTP behavior, and the Fastly Control Panel, with growing exposure to serverless Compute. Security product cases (such as WAF and DDoS) and general IT requests are handled by other teams.

What You'll Do:

🎯 Candidate Preparation Guide For Fastly Applicants

Key Role Competencies & Evaluation Highlights

Key Role Focus:

Low-latency systems engineering and edge computing mastery, testing absolute rigor in performance and reliability.

📋 Preparation Priorities (Key Areas to Clarify):
  • 1. Hand-waving performance bottlenecks or ignoring network-level constraints
  • 2. Lack of low-level debugging skills in C, Rust, or modern systems languages
  • 3. Proposing bloated architectural layers that increase latency
✨ Recommended Role Alignment Hook:

I build lightning-fast edge architectures that push compute closer to the user without sacrificing reliability.

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