"extensive working experience" is correct and usable in written English.
It is typically used to describe a person's level of experience in a particular field or job. You can use it when writing a resume, cover letter, or professional bio. Example: "I have extensive working experience in the field of marketing, having worked for over 10 years in various roles such as marketing coordinator, brand manager, and digital strategist."
In this timely survey, Jerrilynn D. Dodds, an architectural historian at City College, and the photographer Edward Grazda -- both of them with extensive working experience in Islamic cultures -- examine the variety of ways in which local Muslim communities satisfy the basic religious requirements of mosques.
All instruments were applied as a structured interview by clinicians with extensive working experience including an East African context.
Older age and extensive working experience of a physician seem to correlate with greater amount of sick leave days [ 2, 15, 16].
Older age and extensive working experience of a physician seem to correlate with prescribing more days of sick leave [ 2, 15, 16].
I have also performed bookkeeping duties for several business clients, and have an extensive working experience with a variety of accounting and business software programs.
The universities require top science results, often combined with extensive work experience, which can make it tough for pupils from state schools to get a place.
Since most many of these programs often require extensive work experience, many women who chose to enroll must balance their family life with graduate school and in many cases a corporate career.
I expected it all to be a long arduous slog, but having achieved a good degree from a redbrick university, as well as having a fairly strong history of academic achievement and quite extensive work experience, I felt that soon enough my efforts would pay off.
PARIS — Before Tong Sarochinee Paweenawat decided to pursue a master's degree in business administration this year, she had extensive work experience at Schlumberger, both as an offshore engineer responsible for exploration projects in the North Sea and as a field service manager in her native Thailand.
