The phrase "a certain level of expertise" is correct and usable in written English.
It can be used when discussing the qualifications or skills required for a specific task or profession.
Example: "To apply for this position, candidates must demonstrate a certain level of expertise in data analysis."
Alternatives: "a specific degree of proficiency" or "a particular standard of skill".
Both require a certain level of expertise to understand.
"It will be extremely difficult for health workers to accurately identify cases through door-to-door screening as this requires a certain level of expertise.
"We may never know". He did note that the scale and complexity of the hack would have required "a certain level" of expertise.
Unless you possess a certain level of expertise in storage devices, power electronics and motors, you won't control your own destiny.
However, the assessment results from both methods are shown to be strongly dependent on the Weibull exponent which determination requires a certain level of expertise in the field of fracture mechanics.
And compliance requires a certain level of expertise, which is why a chief compliance officer is a worthwhile investment.
How does that influence your writing? A. Music requires a certain level of technical expertise.
Amateur gunsmiths have made lower receivers for years, in metal, although the process requires a certain level of machining expertise.
The question has been raised by the American Institute of Certified Public Accountants, which has floated a proposal to create an internationally accepted credential certifying a certain level of finance expertise.
Managing a residential network nowadays means configuring the functionality provided by the residential gateway, which is often a task that requires a certain level of technical expertise that most residential users lack.
Customers without a wireless network or an Xbox can still watch downloaded Vongo movies on a TV if it is connected directly to their PC, a process that requires a certain level of technical expertise.
