The Engineer is the Hunter class focusing on constructing and upgrading devices such as sentry droids.
Tactical
Tactical Stance
Rapid Fire
Smackdown
Shock and Awe
Napalm Strike
Phase Grenade
Beacon
Escape
Bots
Inhibitor Bots
Rocket Bot
Concussive Crash
Molotov Assault
Haste Bot
Bomber Bot
Nanobots
Drones
Construct Drone
Medpak Retrofit
Repair Drone
Gun Retrofit
Tactical Mode
Armor Retrofit
Sword Retrofit
Shield Generator Retrofit
Advanced Tactical Mode
Master Engineer
Gyroblades