During my tenure on Halo: Reach, I was responsible for the majority of interior lighting and a certain amount of exterior accenting. Below are some examples I’ve picked from currently released screenshots:
While the lights themselves were primarily placed and exported from 3ds Max, there was a wide range of other support I was able to provide.
These duties included the creation of fixtures, creating volumetrics and shaders, and scripting some of these functions together for animated effects. There were also special needs in the case of multiplayer maps; for fair play and visibility, all playable surfaces needed to have adequate lighting while maintaining the aesthetic.
A very challenging guy to make, but the result was pretty spectacular; seeing him stop around and raise hell is oh-so satisfying.
The brilliant job on the effects was the work of the extremely talented Brant Fitzgerald.

Quick sketch i did in painter after i saw their live show (off of a random google photo)… they have neon orange glowing suits! Anyone who takes the time to actually make something like that… well, it’s better-spent than playing WoW or something. :]