Not in parallel.
If you segment the strips conveniently, and ensure the grounds are tied together, you can drive each 'string' of LEDs with a smaller power supply - e.g. 5 or 10A for the appropriate number of LEDs n each segment.
This will also simplify your cabling requirements - using a much smaller gauge of wire, and even if you did manage to push 12V@30A in one end of the string - the power buss would burn out about half way along the chain, as the tracks and interconnects are probably only good for 10A at the very maximum. (12 x 30 = 360Watts = heat)