"of senior levels" is correct and usable in written English.
It is often used to describe a group or position that is at a higher level, typically in terms of age, experience, or authority. Example: "The company is seeking candidates for positions of senior levels, with at least 10 years of experience in the industry."
*We have solid reporting of senior level contacts between Iraq and al-Qa'ida going back a decade.
In her long career, she served in a number of senior level positions in New York City government, at the Department of Environmental Protection, the NYC Water Board and the Brooklyn Borough President's Office.
Some researchers attributed the persistent issue to a "pipeline problem," insufficient numbers of senior level women in medicine, particularly in certain specialties like surgery.
Whether we agree with the vigilante activity or not, the hackers have sent a lot of senior level-types back to double-check what level of security their business provides customers.
Furthermore, it is untrue that affirmative actions programmes have negatively affected white people: white men still hold 95-97% of senior level corporate jobs, despite making up only 29% of the workforce.
The lack of experience of some team members was overcome by agile software development techniques and the presence of senior level developers that allowed knowledge transfer between teams.
Boyd's move is also interesting because it highlights a continued string of exits of senior level people from Mochi Media.
Peter brings more than 25 years of senior level communications experience working for several of the world's leading media companies and brands.
"I never had a lot of senior level female role models until I came to Goldman Sachs," Harris told Clark.
We observed the weekly 90 minute staff meeting of senior level scientists at a major pharmaceutical company.
