Nuclear Physics!
this type of engineer uses nuclear physics math
everyday they use math
Engineering is basically applied science, and many scientific areas require math. (You might also say, "by definition": if an area of work doesn't include lots of science and math, then it wouldn't be called "Engineering".)
Nuclear physicists Nuclear engineers Nuclear scientists
Building engineers use math to help them figure out how big or how small to make the house or whatever they are building.
Geometry
Just about everything an engineer in any field does will involve math.
All engineering specialties use math, in virtually every way imaginable.
Engineers, Physicists, and literally Rocket Scientists. Oh, and of course Math Teachers. Hahah.
There are many such as: maths teachers, accountants, engineers and architects.
3.14159265 That Pi? Many people use Pi. I use Pi in my math class.
Just simple math