Principal Mechanical Design Engineer

Job Description

Principal Mechanical Design EngineerLocation: London (Hybrid)Employment Type: Full-timeSector: Water & Wastewater InfrastructureAbout the RoleOur client, a leading engineering and design‐build delivery partner in the UK water sector, is seeking a Principal Mechanical Design Engineer to strengthen their mechanical engineering team. This hybrid role involves delivering high‐quality mechanical design solutions on major water and wastewater projects. Key Responsibilities

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• Develop cost‐effective mechanical design layouts meeting specification, safety, and constructability standards.

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• Evaluate whole‐life design costs including design hours, material selection, buildability, and cross‐discipline impacts.

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• Ensure consistent use of standard design practices across projects.

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• Support proposals with engineering estimates and feedback.

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• Lead multidisciplinary coordination to ensure fully integrated design delivery.

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• Maintain high standards in documentation, customer satisfaction, and safety throughout the design lifecycle.

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About You

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• Demonstrable team‐leadership or line‐management experience.

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• Strong understanding of water and wastewater treatment processes.

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• Mechanical engineering background with the ability to lead complex design work and support staff development If you're ready to take a leading role in shaping essential water infrastructure projects while working with a forward‐thinking and supportive client team, we encourage you to apply and take the next step in your engineering career.

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