The phrase "a particular challenge when" is correct and usable in written English.
It can be used to introduce a specific situation or condition that presents difficulties or obstacles.
Example: "Managing a remote team can be a particular challenge when communication tools fail."
Alternatives: "a specific difficulty when" or "a notable obstacle when".
Interviews in general pose a particular challenge when it comes to predictive validity — that is, the ability to determine someone's future performance based on limited data.
Similarly, as last month's The Missing Million report about older workers noted: "While people of any age have the same kinds of concerns around employment when poor health and care needs are involved, the increase in poor health and care needs for people later in life manifests as a particular challenge when thinking about labour force participation of older people.
The Russian press attributes the fuss to sour grapes after Russia trounced England in the contest to host the football World Cup in 2018.British security chiefs have moaned loudly and publicly that Russian spies are targeting defence and industrial secrets, a particular challenge when intelligence resources are needed to counter the Islamist threat and growing terrorism in Northern Ireland.
The report notes that these services face a particular challenge when it comes to staff.
Evaluating a school-based program is a particular challenge when teachers implementing the program.
A particular challenge, when trying to analyze and predict the behavior of subnetworks of the global Internet, refers to the task of elaborating a sufficiently realistic workload characterization.
DJ sets are a particular challenge here, when white-labels and mash-ups cause all kinds of headaches in terms of figuring out who to pay and how – as a famous row between EDM star Kaskade and SoundCloud over copyright removals of his uploads showed in 2014.
The brain faces a challenge as it attempts to translate sensory information into perception: Sensorineural activity imprecisely represents the physical world, In the case of tactile perception, spatial imprecision due to low receptor density poses a particular challenge, especially when brief stimuli preclude exploration.
A particular challenge arises when attempting to synthesize from the data summarized in this review an exposure level that would be protective from any potential carcinogenic effects of formaldehyde.
Developing a strategy for change had particular challenges when most of those involved weren't paid employees.
It has been recognised that people face particular challenges when primary cancer treatment comes to an end.
