Senior Mechanical Design Engineer - Water & Wastewater Location: Hybrid (minimum 3 days per week in office/site) Type: Permanent The Role An excellent opportunity has arisen for a Senior Mechanical Design Engineer to take a leading role within a growing design team, delivering high-quality mechanical solutions across a range of water and wastewater treatment projects. You will take technical ownership of mechanical design packages from concept through to completion, ensuring all systems meet regulatory, safety, and client requirements. Working closely with multidisciplinary teams, you will deliver fully integrated solutions while supporting project delivery through design, procurement, installation, and commissioning stages. This role also offers the opportunity to mentor junior engineers, influence best practice, and drive innovation and continuous improvement across projects. Key Responsibilities ·Lead the design and development of mechanical systems for water and wastewater treatment projects ·Take ownership of designs from concept through to detailed design and delivery ·Produce and review technical documentation, calculations, and specifications ·Collaborate with multidisciplinary teams to ensure integrated design solutions ·Conduct and support design reviews, risk assessments, and HAZOPs ·Provide technical support during procurement, installation, and commissioning &mi...