"required expertise" is correct and can be used in written English.
It is used to refer to the skills and knowledge needed to perform a certain task or job. For example, "The job requires specific technical expertise in website development and coding."
To keep track of these enterprises required expertise.
For years, marketers in the air freight industry required expertise in customer acquisition.
Calling the project "a true team effort," Grossman explains that it required expertise in biological engineering techniques, electronic circuit design, materials, and gastroenterology.
Thus, he was perfectly positioned to lead by example the nascent, multi-disciplinary field of planetary science, which required expertise in a range of subjects, from physics, biology and chemistry to astronomy, geology, and atmospheric science.
It required expertise in an enormous range of areas, from the design of radio chips and software to the integration of electronic components and the styling of the case.
In 2004 a Korean customer asked MindTree to develop a lithium-ion battery charger for cell phones, a device that required expertise in mixed-signal and analog design that MindTree lacked.
The decision to go to war required expertise, but above all, it required an intellectual quality that was quite different: wisdom.
It also required expertise worthy of molecular gastronomy -- five years ago, I had to pay a designer who could write HTML code.
Gibson and Hill required expertise in the creative and funding aspects of film-making and invited Scott Glosserman to join the venture.
Aggregating data from individual assessments into a holistic portfolio judgement required expertise and extensive training and supervision of judges.
According to Anderson et al., a multidisciplinary team provides the required "expertise to map a subject" that is "not necessarily always found in one researcher" [ 2].
