Principal/Senior Mechanical Engineer – Water Utilities

Overview

In this role you will lead mechanical input for water utilities projects, spanning treatment, pumping, and transmission systems. You’ll work within a multidisciplinary team to deliver feasibility and design work across AMP8 frameworks, mentoring junior staff and helping win projects. The opportunity emphasizes delivering high-quality solutions for utilities and industrial water systems, with a focus on environmental impact and technical innovation. You’ll build industry networks and contribute to Arup’s water sector leadership and sustainable outcomes.

Pay / Benefits

• Profit Share
• Private medical insurance
• Life assurance
• Income protection
• Flexible benefits
• Learning opportunities

Responsibilities

• Provide key mechanical input to water utility projects including treatment facilities, pumping systems and pipework
• Lead feasibility and design work for AMP8 delivery frameworks (e.g., United Utilities, Severn Trent Water)
• Support and mentor less experienced staff
• Engage in work-winning activities and network with industry stakeholders
• Collaborate with multidisciplinary teams to deliver water infrastructure projects across the UK and beyond
• Contribute to technical and digital innovation within projects

Key requirements

• Demonstrable track record in mechanical engineering feasibility and design in the water utilities industry (water or wastewater treatment and transmission)
• Knowledge of design tools/methods such as BIM, Plant 3D or other specialist packages
• Strong understanding of pumping system design standards and best practices
• Degree qualified (Master level Engineering Degree or equivalent experience)
• Chartered Engineer (CEng) status with IMechE or progress toward chartership

• Self-motivated and adaptable
• Problem-solving mindset
• Strong team collaboration and mentoring
• BIM
• Plant 3D
• Pumping system design

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