in this build, I will use Assault class combine with Infiltrator Class and use rapid clearance also sneak attack ability to hit the enemy while being undetected.

Assault	Dash
Assault	Rapid Clearance
Infiltrator	Sneak attack
Infiltrator	Vanish
Augmentation	Vengeance Torso
Mutations	Agile Legs
Weapon	Marduk’s Fist / Scyther
Armor	Infiltrator Armor
Perk 1	Close quarters specialist
Perk 2	Reckless
Perk 3	Thief