Short answer
A Muslim woman may work in permissible employment, subject to Islamic guidelines and the rights and responsibilities of marriage.
Islamic Guidance
What Islam teaches
Islamic rulings regarding employment involve issues such as lawful work, modesty, safety, family responsibilities and marital agreements.
Practical Guidance
What you can consider
Discuss employment before Nikah rather than assuming that either spouse will automatically change their position after marriage.
Sources
Qur'an 4:32; Qur'an 28:23-26; Sahih al-Bukhari.