its day 1. keep playing you will get better.
Hiding in buildings just use charged plasma shot.
if they chase you leap away, then activate cloak and stand totally still for 2 seconds. hopfully them chasing you will seperate them and you can pick 1 off. If they are chasing you then they are not doing the mission.
Get them when they are dealing with AI…
Just work on your stratergy and keep playing. you will get better

