I would also say her chances are almost zero.

Here is the UKBA webpage for Working in the UK

It's all explained in the publication called - Tier 2 of the Points Based System – Policy Guidance.

It goes hand-in-hand with work listed on the Tier 2 Shortage Occupation List


As you should know:-

The job should be a skilled job that cannot be filled by a settled worker.

Any Applicant must score a minimum 70 points on the PBS

The job must be rated at a certain minimum qualification level.

The job must be paid at a certain minimum salary level

There is an annual limit on the number of Certificates of Sponsorship available under Tier 2 (General)

Both you and your friend are strongly advised to review the above links.
You'll find all the answers you and your friend need.

Quite an eye-opener.