I had just started working for XXXXX about 3 months ago, but I have been involved in manufacturing for several years. What would be involved for us to renew our ISO 9001 certification and would we be able to receive an audit within 3 months?
I feel that some information is missing in your question.
Is your organization currently certified according to ISO 9001:2015?
Your organization in the past was certified, but decided to let go of certification according to ISO 9001:2015?
Your organization in the past was certified, but decided to let go of certification according to ISO 9001:2008?
Whatever the situation a possible approach can be:
Setup a project sponsor, a project manager, and a project team. Ensure top management support, get training about the standard. Designing and implementing a quality management system implies being knowledgeable about ISO 9001:2015.
As a first step perform a Gap analysis, to determine the amount of work to be done - comparing what your organization already has in place versus ISO 9001:2015 requirements. From that GAP Analysis, you can develop your Project Plan, listing what needs to be done, by whom, until when.
From there it is implemented in order to close the gaps found. Then, perform an internal audit and the management review. There you can decide if your organization is ready for a certification audit.