A Catia V5 job involves using the CATIA V5 software for computer-aided design (CAD), engineering, and manufacturing tasks. Professionals in this role create 3D models, technical drawings, and simulations for product development in industries like aerospace, automotive, and mechanical engineering. Responsibilities may include designing components, conducting feasibility analyses, and collaborating with engineering teams. Strong proficiency in CATIA V5 and an understanding of manufacturing processes are typically required for these roles.