An engine starting system, comprising: an engine system including an engine; a starter coupled to the engine and configured to rotate the engine; an air source including a compressor configured to deliver compressed air; a conduit system coupled between the compressor and the starter, wherein the conduit system is configured to communicate a portion of the compressed air from the compressor to the starter; a load control valve disposed in the conduit system and configured to control communication of the compressed air through the conduit system from the compressor to the starter and to other loads; and characterized by: a starter air valve disposed in the conduit system and configured to control communication of the compressed air through the conduit system to the starter; and at least one controller coupled with the engine system and with the air source, the at least one controller configured to: receive a start signal from the engine system; determine whether to initiate a bowed rotor mitigation start mode of the engine; operate one of the load control valve and the starter air valve to move to a predetermined static position; and operate the other of the load control valve and the starter air valve to achieve a target speed of the engine. an engine system including an engine; a starter coupled to the engine and configured to rotate the engine; an air source including a compressor configured to deliver compressed air; a conduit system coupled between the compressor and the starter, wherein the conduit system is configured to communicate a portion of the compressed air from the compressor to the starter; a load control valve disposed in the conduit system and configured to control communication of the compressed air through the conduit system from the compressor to the starter and to other loads; and characterized by: a starter air valve disposed in the conduit system and configured to control communication of the compressed air through the conduit system to the starter; and at least one controller coupled with the engine system and with the air source, the at least one controller configured to: receive a start signal from the engine system; determine whether to initiate a bowed rotor mitigation start mode of the engine; operate one of the load control valve and the starter air valve to move to a predetermined static position; and operate the other of the load control valve and the starter air valve to achieve a target speed of the engine. a starter air valve disposed in the conduit system and configured to control communication of the compressed air through the conduit system to the starter; and at least one controller coupled with the engine system and with the air source, the at least one controller configured to: receive a start signal from the engine system; determine whether to initiate a bowed rotor mitigation start mode of the engine; operate one of the load control valve and the starter air valve to move to a predetermined static position; and operate the other of the load control valve and the starter air valve to achieve a target speed of the engine. receive a start signal from the engine system; determine whether to initiate a bowed rotor mitigation start mode of the engine; operate one of the load control valve and the starter air valve to move to a predetermined static position; and operate the other of the load control valve and the starter air valve to achieve a target speed of the engine.