Nano-fabrication engineers operate cleanroom equipment, develop lithographic patterns, deposit thin films, perform etching processes, and integrate nanoscale device structures. They ensure process uniformity, analyse defects, characterise materials, and optimise device yield. Their work underpins semiconductor chips, MEMS/NEMS, sensors, photonics, and advanced coatings. They collaborate closely with materials scientists, device physicists, and manufacturing engineers. As micro–nano fabrication becomes core to electronics and quantum technologies, this career shows strong global growth.