identifying customer requirements; designing systems and products; reading design specifications and technical drawings; researching suitable solutions and estimating costs and timescales; making models and prototypes of products using three-dimensional design software; working to British (BS), European (EN) and other standards; liaising with others in the design team; communicating with clients and contractors; attending meetings on site; designing and conducting tests; recording, analysing and interpreting test data; proposing modifications and retesting products; qualifying the final product or system; servicing and maintaining equipment; preparing product documentation, writing reports and giving presentations; monitoring a product in use to improve on future design.