Senior engineers are on minimum 900k, once you move out (Commercial, Procurement, Project Manager, etc.) it goes up and varies a lot.
I worked for multinationals and my progression was:
Year 0: R300k
Year 1: R350k
Year 2: R420k
Year 3: R480k
Year 4: R820k
Year 5: ~1M
Year 6: ~1.2M
Year 7: ~1.2M...
Engineer, late 20s, head office based
Not working as an engineer anymore, moved up a bit - still working for a large engineering firm though.
CTC: just over R1.22 mil pa excl. bonus
Save about 15k pm