SSL retrofit fixture

A lighting assembly comprising:

• a reflector comprising a top reflector end and a bottom reflector end, the reflector defining a reflector bore extending through the reflector from the top reflector end to the bottom reflector end, the reflector bore defining a top reflector aperture and a bottom reflector aperture;
• a lens, attached to the reflector proximate the bottom reflector end, and covering the bottom reflector aperture;
• a backing plate;
• and
• a light engine, comprising a solid-state lighting (“SSL”) source, a cover, and a printed circuit board (“PCB”), the SSL source attached to the PCB, the light engine covering the top reflector aperture, the SSL source disposed within the top reflector aperture, the SSL source configured to emit light through the lens, wherein the cover is directly attached to the backing plate and the PCB is arranged between the cover and the backing plate.