Lead Operating Engineer Develop your engineering career at JLL! The Lead Operating Engineer leads, with minimal supervision, the operation, inspection, and maintenance processes of mechanical, HVAC, electrical, and plumbing equipment and systems. This role may include assisting the Group Manager and Chief Engineer with providing direction to the team. You will work as the sole engineer at a 175,459 square foot Class A office building in Maitland, FL. Your schedule will be Monday-Friday from 7