"indispensable job" is correct and usable in written English.
You can use it when you want to emphasize the importance of a job or role. For example, "Nurses do an indispensable job, providing essential care to those in need."
The City's claims to be an indispensable jobs and tax engine for the British economy are nonsense: the bailout costs of 2008-9 dwarfed the financial tax revenues of the boom years, which were below those of manufacturing even at their peak.
Otherwise they might settle for the humiliating and degrading existence of trying to make a living by doing one of the many basic and indispensable jobs that society requires to function, which is outrageous.
I'm not indispensable at my job but, like, I'm kind of the office mascot.
It's arguably the most vital role they perform, but as we continue to see and share strange calls, respect for the umpires role is lagging, while the technology that no longer makes that job indispensable continues to gain steam.
In the court's ruling, Justice Clarence Thomas said the law requires only that workers be paid for activities before and after their shifts when the activities are "integral and indispensable" to the job they are hired to perform.
With two replicas, each reduce task is indispensable for the MapReduce job to finish because a quorum of two identical results is required for validation.
By contrast, "crystallised intelligence"—general knowledge, experience, verbal ability continues at much the same level almost indefinitely.Employers think that older people may find it harder to pick up new skills, particularly in IT, which have become indispensable for many jobs.
And to the computers for which it stands: One notion, under Jobs, indispensable, for hardware and software for all".
This may seem counterintuitive, but Asher counsels workers not to make themselves indispensable in their current jobs.
