Senior Engineer - Mechanical - South Division

We are looking to strengthen our Engineering team with a Senior Mechanical Engineer to join our Southern Division with flexible working available.

Are you an experienced Senior Mechanical Engineer ready to help shape the successful delivery of complex water and wastewater infrastructure projects? At MWH Treatment, our Mechanical Engineers play a critical role in developing innovative, efficient and reliable mechanical solutions that help deliver safer, smarter and more resilient water services for our customers and communities.

We are looking for a Senior Mechanical Engineer to lead mechanical design activities across major projects, delivering robust, buildable solutions that meet client requirements, regulatory standards and long-term asset performance objectives.

What you'll be doing

• Lead mechanical design tasks and packages to agreed technical standards, budgets and programmes.
• Develop mechanical designs, equipment specifications, plant layouts and technical documentation that support safe, efficient and reliable asset performance.
• Produce cost-effective mechanical solutions that consider construction, commissioning, operational and whole-life costs.
• Review and assure mechanical design outputs within your area of authority, ensuring quality and compliance with company and industry standards.
• Coordinate mechanical design activities with Process, EICA, Civil, Structural, Digital and Commissioning teams to support integrated project delivery.
• Identify and manage technical risks, design issues and opportunities for optimisation throughout the project lifecycle.
• Support the design and selection of mechanical equipment, including pumps, pipework, valves, treatment plant equipment and associated systems.
• Mentor junior engineers, graduates and apprentices, sharing knowledge and supporting technical development across the team.
• Build strong working relationships with clients, discipline leads, project teams, suppliers and site teams.