Mott MacDonald Bentley is a fully integrated design and build business combining the design expertise of Mott MacDonald with the contracting experience of JN Bentley to deliver award winning projects. With an annual turnover surpassing £500 million, Mott Macdonald Bentley cements its position as a leader within the industry. The sustained, robust business performance creates an ideal environment for career growth. We have secured a new framework with Dŵr Cymru Welsh Water that will last up to eight years, this will see MMB tackle projects across the DCC region covering both clean and wastewater treatment sites, as well as below ground assets, reservoirs and nature-based solutions. After securing our first framework with DCC at the beginning of AMP6, our presence in Wales has grown significantly, directly employing over 270 colleagues in the country across all roles, from frontline construction to design and management positions. As a Senior Mechanical Engineer you will contribute to projects that significantly impact our environment and communities. Working primarily in the UK water market, MMB provides the feasibility, design, construction, and commissioning services needed to keep water flowing and wastewater treated. You''ll work on projects that make a real difference to our environment and our communities by enhancing the efficiency and effectiveness of water and wastewater treatment systems. You will play a pivotal role in shaping the mechanical functions throughout ..... full job details .....