As a Mechanical Engineer on Harmattan AI’s R&D Hardware Tooling team, you will design and build the internal lab fixtures, jigs, rigs, and bench structures that help our engineering teams develop and validate products faster. You will own the mechanical side of tooling end-to-end: from bench and lab fixtures to environmental validation rigs, instrument enclosures, and RF/antenna characterisation mechanics. Unlike product design optimised for mass production, tooling mechanics here prioritise precision, repeatability over many cycles, and fast in-house fabrication. You will work at the intersection of mechanics, electronics, and development across every Harmattan hardware program.