How to repositon TIFF?

So we have a number of TIffs that we would like to adjust the imagery.
But on 3D Tiles can be adjusted?

Please advise.

https://cesium.com/ion/assets/916340?page=1&sortBy=DATE_ADDED&sortOrder=DESC

We have tried to addjust the TIffs in QGIS but they will not load.
HOLE 1 SLOPE MAP_modified.tif.zip (654.6 KB)