Diploma Engineer:Role: Junior Engineer or TechnicianTasks: Assist in design, testing, maintenance, and repair. Follow technical drawings and perform basic tests.B.Tech Engineer:Role: Engineer or Associate EngineerTasks: Design, develop, and analyze engineering solutions. Use CAD software, manage projects, ensure compliance, and communicate with stakeholders.B.E. Engineer:Role: Senior Engineer or Project EngineerTasks: Lead projects from conception to completion. Develop project plans, coordinate teams, innovate systems, ensure quality, mentor junior engineers, and prepare technical reports.