马目拉鲁,这回清楚. 碧叶金阳,询问无妨~~

You experience in the big company will definitely help selling you.
Good thing is you know the hiring manager, this is your valuable resource. Yes, use this resource.
Keep communication with this manager, get information from him.
Send a email every week is not pushing. Do it.

Dear John,
How are you doing?
Just wondering is there anything new?
Looking forward working to you soon.

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In the meantime, keep eye opening for all the other good positions in that city.
You never you will get better chance.
再就是: Follow the suggestion from -碧叶金阳- .
Thanks!