AMETEK Procurement Manager interview questions

HR leader found me on LinkedIn, and conducted a phone screen. She brought me in for an interview on a Saturday, since the hiring was confidential (they were letting go the existing Procurement Mgr). The interview with the hiring manager and HR went well, and thank you notes were sent. Weeks went by with no work from them, despite several follow ups on my part. This was the 2nd time this HR manager contacted me, and both times the response to follow ups was poor or non-existent.