We are seeking a Senior Mechanical Design Engineer to play a leading role within our Design Team, taking technical ownership of mechanical engineering solutions across a wide range of water and wastewater treatment projects. In this role, you will guide the full design process from concept through to completion, ensuring every mechanical system meets regulatory, safety, and client requirements while maintaining high standards of efficiency and sustainability. You will collaborate closely with multidisciplinary teams to deliver fully integrated designs, oversee technical reviews and risk assessments, and provide expert support during procurement, installation, and commissioning. Acting as a mentor to junior engineers, you will help shape the future capability of the team while championing innovation, quality, and best practice across the business. Please note that this role requires you to be in the office or on site at least 3 times a week. About Enisca Browne Enisca Browne is part of Browne Group, a leading contractor in the UK water and civil engineering sectors. Together we deliver essential infrastructure that supports clean water, safe drainage and reliable services for communities. Enisca Browne focuses on the systems that keep water and wastewater treatment sites running at their best. We work on power, process equipment, control systems and the civil structures that support them. As the Group''s mechanical, electrical, instrumentation, control and automation speciali