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Staff Systems Engineer

Blacksmith · series c · $125M raised

📍 New York City

💰 $280K - $380K + equity

infrastructureonsite

Listed October 28, 2026

Why this role

Blacksmith runs CI for 10,000+ companies on its own bare-metal fleet and is extending that infrastructure into agent sandboxes and a background coding agent. It raised a $66M Series C led by Sequoia at a $1B valuation on Oct 21, 2026, two months after its Series B, bringing total funding to $125M. Hiring in New York City and San Francisco.

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