SENIOR TECHNICAL SUPPORT ENGINEER

Overview

We are seeking a Senior Technical Support Engineer (5+ years' experience) to build a best-in-class technical support function from scratch at a rapidly scaling infrastructure startup. This is a founding-style support role where the successful hire will directly shape how enterprise customers are supported as the company scales. Work directly with engineering customers using cutting-edge CI infrastructure, diagnose and resolve complex technical issues, and establish the foundations of world-class support operations.

About the Company

Blacksmith is one of the fastest-growing infrastructure startups in the US, backed by Google Ventures ($13.5M Seed + Series A) and Y Combinator. The company has nearly tripled revenue since early 2025, recently hit approximately $10M ARR in under 2 years, and is now rapidly expanding into enterprise customers. The elite founding team brings backgrounds in infrastructure and sc...