The phrase "extensive experience working" is correct and usable in written English.
You can use it when you need to express that someone has a lot of experience with a particular activity or task. For example: "He had extensive experience working with students, making him the perfect choice for the position of tutor."
Successful applicants will have extensive experience working in the NHS and influencing practice.
I have extensive experience working with female skaters (as well as dancers, gymnasts and horseback riders).
@MaggieLelo Margaret is a doctor with expertise in public health and extensive experience working with poor communities in marginalised areas of Kenya.
Mr. Carter said that Dr. Davenport, a native of Lansing, Mich., had extensive experience working with children, aside from his financial credentials.
They had "extensive experience working around moving trains in both the freight train and the rapid transit industry," according to a statement from BART officials.
"Both people had extensive experience working around moving trains in both the freight train and the rapid transit industry," the officials said.
The fund will "execute the Investment Strategy", the document promises, through "the expertise of the Investment Advisors, [companies] represented by Peter Kenyon and Jorge Mendes", who "have extensive experience working within the football industry".
Announcing the appointment of Lord Gold, Rolls-Royce said: "He is one of the UK's most senior litigators and has extensive experience working at the highest levels with corporations, governments and regulators around the world".
He has extensive experience working within the media industry, both agency and in-house, possesses a deep understanding of the critical role played by communications in organisations undergoing transformational change, and, importantly, understands GMG's unique purpose and structure".
He has extensive experience working in technology and data, with positions including chief executive of digital entertainment company, Neos, professional services director at CDC Software and project manager at MVI Technology, specialising in business intelligence and management information systems.
"Ms. Lopez-Hanratty, who has held the job for nearly two years, is the right person for the position because of her extensive experience working with the community -- as well as being part of it," Mr. Spano said.
