How do deal with illuminate Outposts and Harvester Shield

What are the best ways to deal with Illuminate outpost and enemy/harvester shields? Any tips on loadouts and choice of strategems?

Beginner at Illuminate and so far most of my selection of support weapons (RR, Grenade Launcher) doesn't work on the shields.

What are the best ways to deal with Illuminate outpost and enemy/harvester shields? Any tips on loadouts and choice of strategems?

Beginner at Illuminate and so far most of my selection of support weapons (RR, Grenade Launcher) doesn't work on the shields.