Just lean into grenade stat as your Arc Soul and Ionic Sentry both get the damage boost but as a guide here are my build stats :-
Getaway Artist :- Health 32, Melee 73, Grenade 146, Super 106, Class 85, Weapons 46
Geomag :- Health 94, Melee 39, Grenade 84, Super 148, Class 84, weapons 43
The Geomag is all about getting the super as often as possible but you are almost never without an ability ready to go.
Running Techset armour x4 if using Outbreak Perfected is a hoot but a mix of Techset x2 and Smoke Jumper x2 is a good compromise and adds survivability on orb collection.