AECOM's Mechanical Engineering group is seeking a dynamic, talented Mechanical Engineer II for immediate employment to be based out of our Philadelphia, PA location. Projects include transportation and aviation projects, including bus and transit facilities, airports, and related buildings.  Design the mechanical and/or plumbing systems Collaborates with architects, engineers, vendors and clients. Performs HVAC and/or plumbing engineering calculations. Prepares and deliver high-quality drawings (AutoCAD and Revit), specifications and reports. Participates in interdisciplinary review of project deliverables. Conducts site visits to document mechanical and/or plumbing systems. Manages multiple assignments and meet project deadlines.