>>96406705
first design the place to be robbed, security, location, matrix, magical security ect.

anyone worth describing. guard who can be bought off? guard who cant? secretary that is a junky? heads of relevant depts?

how long do they got after taking the job?
how hard is it going to be to get an edge? steal a security badge from guards? easy? hard? matrix protection levels? magic protection levels? is the item being stolen make sense for the price?AA systems?

is this a real run from a trusted jhonson? is this planned to fail? is lethal force allowed? how long after the mission do they gotta wait to give the mcguffin to the buyer? are they allowed to steal other things? any staff that can or must die?

basically start at the base and work up. where, who, why, when....
whats the twist? is this a scam? a test of security? is this a milk run that another team going to steal the loot? did the PC's talk to much when doing research? does the government care? will the corp hunt them to the ends of the earth?

make it hard if they do shitty prep work but be forgiving if they are trying pretty hard, your players are rarely as smart as the PC's they are playing as. they cant help that be nice.

>>96406915
if this is honestly your first time running this is the right answer. if its your first time not running a pre-made then be forgiving of yourself.

picrelated if you cant find a premade shadowrun mission you like pre made cyberpunk and premade dark conspiracy missions are easy to convert but have the right flavor for what you want to present.