The Entry-Level Mechanical Engineer position at Sargent & Lundy involves applying knowledge of thermodynamics, heat transfer, fluid mechanics, and power plant engineering. The role includes preparing calculations, specifications, and technical reports to support client recommendations, conducting equipment sizing, and participating in system engineering for power plant mechanical systems. The position also offers opportunities for travel to client and vendor offices for design reviews and field verification of designs, particularly at the Three Mile Island Nuclear Generating Station.