Line spacing in CV

I have one question regarding how can I adjust line spacing in Latex.

I think…it’s kind of an easy problem…however…I don’t have any idea about solving this problem since I’m not familiar with Latex grammar.

The problem is that I want to reduce the line spacing in the areas marked in red in the attached picture.

I also attached latex codes of that part as follows:

I hope that I can receive some assistance regarding my circumstance. Thank you so much.

documentclass{article}
usepackage{enumitem}% http://ctan.org/pkg/enumitem
begin{document}

begin{itemize}[topsep=0pt]
  item Item 1
  item Item 2
  item Item 3
end{itemize}

end{document}

setlist[itemize]{topsep=0pt}