Iron Ladies is a Manga/Manhwa/Manhua in english language, Comedy series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

University graduate Mu Siyun sent his resume to the star fleet on a whim and somehow became the Fleet Admiral! This is the story about an admiral with a harem of 3000 female soldiers conquering the universe.