Assessing project requirements. Measuring the performance of mechanical components, devices and engines. Agreeing budgets, timescales and specifications with clients and managers. Modifying and maintaining products and the processes that support them. Using computer-aided design/modelling software. Liaising with suppliers. Undertaking research. Producing and implementing designs and test procedures. Carrying out risk assessments. Presenting designs to managers and clients. Testing, evaluating, modifying and re-testing products. Writing reports and documentation. Providing technical advice. Analysing and interpreting data. Managing projects, costs and people.