The phrase "a key responsibility for" is correct and usable in written English.
It can be used when describing an important duty or task assigned to someone in a specific role or position.
Example: "One of the key responsibilities for the project manager is to ensure that the project stays on schedule and within budget."
Alternatives: "a primary duty of" or "an essential task for".
When Hugh Whitemore's play based on the life of Alan Turing first appeared in 1986, the man with a key responsibility for deciphering the German Enigma code was something of an enigma himself: a hero to computer scientists but barely acknowledged in the public eye following his prosecution for homosexuality and suicide in 1954.
Greening also gained a wealth of experience in transport – a key responsibility for the mayor – during her stint as transport secretary, as well as a clear passion for social mobility, founded in her working-class, comprehensive-educated background, and crystallised during her time as education secretary.
"Ensuring residents can exercise their right to vote is a key responsibility for us and this is a simple and cost effective way of guaranteeing that right".
It's a key responsibility for you as the leader.
Turcan, currently Chairman of publishing services company Dovetail, will have key responsibility for Guardian Unlimited's software development and systems teams.
The key responsibility for ensuring rail safety is exercised by Her Majesty's Railway Inspectorate, part of the Health and Safety Executive.
"But the key responsibility for tackling household emissions lies with government – carbon emissions and energy bills could be cut by two-thirds by a massive national programme to super insulate all our homes street by street".
"While the key responsibility for road safety lies with governments, the FIA campaign also encourages motorists to follow the rules of the road and be respectful of other road users.
There is one sure-fire way of keeping the opposition out –retain the ball – and that is the other key responsibility for Gray, whose job title is breakdown coach.
That includes former Goldman partner Gary Gensler, whom Obama selected to head the Commodity Futures Trading Commission, which has the key responsibility for derivatives regulation.
