Assists with disassembly of systems components to support the correction of failures or implement changes. Assists with basic troubleshooting of pneumatic, hydraulic and electrical systems to isolate mechanical or electrical faults and repair faulty components. Performs validation/verification testing of systems and components. Fabricates and modifies aerospace products according to specifications. Assists with performs tasks associated with the safe handling of a simple aerospace vehicle (e.g. jacking, towing, system operations). Works to written work insturctions (technical orders). Works under supervision.