I’m applying for an admin job. Does this paragraph make sense on my application?

I’m 18 and applying for a part time admin job at a community centre in my area. I started off my cover letter like this. Please let me know if the grammar and punctuation is correct. Dear Sir/Madam I am writing to express my interest for the Part-Time Administrator role at St Anne’s community centre advertised... show more I’m 18 and applying for a part time admin job at a community centre in my area.

I started off my cover letter like this. Please let me know if the grammar and punctuation is correct.

Dear Sir/Madam

I am writing to express my interest for the Part-Time Administrator role at St Anne’s community centre advertised on Charityjobs.co.uk, and I enclose my CV for your consideration.

Is the commas in the right place ?
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