Lead Mechanical Engineer – Water & Wastewater Systems

Company: AECOM
Apply for the Lead Mechanical Engineer – Water & Wastewater Systems
Location: Northern Ireland
Job Description:

AECOM is seeking a Principal Mechanical Engineer in Belfast to lead mechanical design for water and wastewater projects. The role combines design, review and coordination across disciplines within a hybrid work model, with site surveys and client liaison.

You will oversee mechanical plant selection, piping layouts, 3D modeling in Revit, and help set programmes and budgets while mentoring Graduates and Engineers.

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Posted: September 21st, 2026