nicks actual replacement would come from within the stores department through automatic progression , leaving an open spot at the bottom of the roster to be filled by the bidder with the most company seniority , and as shop steward scotty was responsible for updating the posting , putting it on the bulletin board , making sure it came down at the end of the tenth business day , unlocking and emptying the bid box , and arranging the slips in order of seniority to see who would be awarded the job .