RENNtech, a global leader in high-performance automotive engineering, is seeking an experienced engine builder to join our team in Stuart, Florida. Founded by former AMG North America Technical Director Hartmut Feyhl, RENNtech is known for pushing the limits of performance across both street and race platforms. This role is ideal for a precision-driven professional with a deep understanding of internal combustion engines and a passion for high-horsepower builds. You’ll be responsible for assembling and rebuilding high-performance and race engines—including Mercedes-AMG platforms like M113, M156, M178, M275, and more—using best practices for blueprinting, measurement, and clean-room protocols. Experience with forged internals, high boost applications, and dry sump syste