Principal Mechanical Design Engineer

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• Develop cost‑effective mechanical design layouts meeting specification, safety, and constructability standards.• Evaluate whole‑life design costs including design hours, material selection, buildability, and cross‑discipline impacts.• Ensure consistent use of standard design practices across projects.• Support proposals with engineering estimates and feedback.• Lead multidisciplinary coordination to ensure fully integrated design delivery.• Maintain high standards in documentation, customer satisfaction, and safety throughout the design lifecycle. About You• Demonstrable team‑leadership or line‑management experience.• Strong understanding of water and wastewater treatment processes.• 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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