"indispensable position" is correct and usable in written English.
It is often used to refer to someone or something that is vitally important or necessary. For example, "The CEO held an indispensable position in the company, making all the key decisions."
That said, three philosophers articulate indispensable positions in addressing the moral status of the concept of race.
To succeed in this environment, banks must become indispensable everyday banks positioned to fulfill their customers' financial and nonfinancial needs.
"As I said very clearly to David, a clarification of the UK's position is indispensable for us to negotiate and for us to make sufficient progress on this financial dossier, which is inseparable for the other withdrawal dossiers," Barnier said.
Falling into a career rut is unavoidable when you've become so indispensable in your present position that no one sees you doing anything outside of this.
Or maybe readers would prefer a slightly less expansive position than Indispensable America.
Among ADAR2 substrates this is the vital one as editing at this position is indispensable for normal brain function.
Specifically, the substituent at 7-position is indispensable for inhibitory activity.
Throughout their vision statement, marriage is positioned as indispensable for healthy child rearing, economic security, and societal wellbeing.
The N-terminal 'coiled coil' dimerization interface of BCR, its serine/threonine kinase activity, and the tyrosine phosphorylation site at position 177 (Y177) are indispensable for its function [ 1, 14].
Increasingly positioned as an indispensable form of cultural capital by the end of the eighteenth century, literacy became both the means and the symbol of children's newly recognized self-possession and autonomy.
