The most common way of doing a schedule, is from Excel file with a “to do” list and a Level 1 WBS.
Most of the Engineering specialist will be able to create in no time. The advances of getting this list and making a basic network diagram , in 10 sec during a meeting, can be a very powerful way of engaging them to help you with the logic, by pointing out their logic fallacies and gaps.
Template@work
Video@work