AutoCAD Mechanical System Design Drafting

I’m building a new mechanical system that centres on pumps and valves, and I need a qualified engineer to turn my concepts into production-ready documentation. Your main platform will be AutoCAD; every model, drawing and calculation must be delivered in native DWG along with exported PDFs... (Budget: $250 - $750 USD, Jobs: 2D Drafting, 3D CAD, 3D Modelling, CAD / SolidWorks, Design Optimization, Mechanical Design, Mechanical Engineering, MeteorJS, Project Management, Technical Documentation)